diff --git a/gtk/ui/gtkaboutdialog.ui b/gtk/ui/gtkaboutdialog.ui
index d15ad518ab..62d5492af8 100644
--- a/gtk/ui/gtkaboutdialog.ui
+++ b/gtk/ui/gtkaboutdialog.ui
@@ -6,7 +6,6 @@
     <property name="type-hint">dialog</property>
     <child internal-child="headerbar">
       <object class="GtkHeaderBar" id="headerbar1">
-        <property name="visible">1</property>
         <property name="show-title-buttons">1</property>
         <child type="title">
           <object class="GtkStackSwitcher" id="stack_switcher">
@@ -23,20 +22,17 @@
         <property name="margin">5</property>
         <child>
           <object class="GtkBox" id="box">
-            <property name="visible">1</property>
             <property name="orientation">vertical</property>
             <property name="spacing">12</property>
             <property name="margin">5</property>
             <property name="vexpand">1</property>
             <child>
               <object class="GtkImage" id="logo_image">
-                <property name="visible">1</property>
                 <property name="icon-name">image-missing</property>
               </object>
             </child>
             <child>
               <object class="GtkLabel" id="name_label">
-                <property name="visible">1</property>
                 <property name="label">name label</property>
                 <property name="justify">center</property>
                 <property name="selectable">1</property>
@@ -49,14 +45,12 @@
               <object class="GtkStack" id="stack">
                 <property name="width-request">400</property>
                 <property name="height-request">100</property>
-                <property name="visible">1</property>
                 <property name="transition-type">over-up-down</property>
                 <property name="transition-duration">600</property>
                 <property name="vexpand">1</property>
                 <signal name="notify::visible-child" handler="stack_visible_child_notify" swapped="no"/>
                 <child>
                   <object class="GtkBox" id="page_vbox">
-                    <property name="visible">1</property>
                     <property name="orientation">vertical</property>
                     <property name="spacing">8</property>
                     <child>
@@ -119,19 +113,16 @@
                     <property name="spacing">8</property>
                     <child>
                       <object class="GtkScrolledWindow" id="scrolledwindow1">
-                        <property name="visible">1</property>
                         <property name="hscrollbar-policy">never</property>
                         <property name="shadow-type">in</property>
                         <property name="vexpand">1</property>
                         <child>
                           <object class="GtkViewport" id="viewport1">
-                            <property name="visible">1</property>
                             <style>
                               <class name="view"/>
                             </style>
                             <child>
                               <object class="GtkGrid" id="credits_grid">
-                                <property name="visible">1</property>
                                 <property name="halign">center</property>
                                 <property name="valign">start</property>
                                 <property name="orientation">vertical</property>
@@ -157,13 +148,11 @@
                     <property name="spacing">8</property>
                     <child>
                       <object class="GtkScrolledWindow" id="scrolledwindow2">
-                        <property name="visible">1</property>
                         <property name="hscrollbar-policy">never</property>
                         <property name="shadow-type">in</property>
                         <property name="vexpand">1</property>
                         <child>
                           <object class="GtkTextView" id="license_view">
-                            <property name="visible">1</property>
                             <property name="editable">0</property>
                             <property name="left-margin">8</property>
                             <property name="right-margin">8</property>
@@ -186,13 +175,11 @@
                     <property name="spacing">8</property>
                     <child>
                       <object class="GtkScrolledWindow">
-                        <property name="visible">1</property>
                         <property name="hscrollbar-policy">never</property>
                         <property name="shadow-type">in</property>
                         <property name="vexpand">1</property>
                         <child>
                           <object class="GtkTextView" id="system_view">
-                            <property name="visible">1</property>
                             <property name="editable">0</property>
                             <property name="left-margin">8</property>
                             <property name="right-margin">8</property>
diff --git a/gtk/ui/gtkappchooserdialog.ui b/gtk/ui/gtkappchooserdialog.ui
index dcaccdae35..6717125671 100644
--- a/gtk/ui/gtkappchooserdialog.ui
+++ b/gtk/ui/gtkappchooserdialog.ui
@@ -10,10 +10,8 @@
         <property name="spacing">2</property>
         <child>
           <object class="GtkSearchBar" id="search_bar">
-            <property name="visible">1</property>
             <child>
               <object class="GtkSearchEntry" id="search_entry">
-                <property name="visible">1</property>
                 <property name="hexpand">1</property>
                 <property name="max-width-chars">40</property>
               </object>
@@ -30,12 +28,10 @@
         </child>
         <child>
           <object class="GtkBox" id="inner_box">
-            <property name="visible">1</property>
             <property name="orientation">vertical</property>
             <property name="spacing">6</property>
             <child>
               <object class="GtkLabel" id="label">
-                <property name="visible">1</property>
                 <property name="halign">center</property>
                 <property name="valign">center</property>
                 <property name="label">label</property>
@@ -49,14 +45,12 @@
     </child>
     <child type="action">
       <object class="GtkButton" id="cancel_button">
-        <property name="visible">1</property>
         <property name="use-underline">1</property>
         <property name="label" translatable="yes">_Cancel</property>
       </object>
     </child>
     <child type="action">
       <object class="GtkButton" id="ok_button">
-        <property name="visible">1</property>
         <property name="label" translatable="yes">_Select</property>
         <property name="use-underline">1</property>
         <property name="can-default">1</property>
@@ -69,7 +63,6 @@
   </template>
   <object class="GtkButton" id="show_more_button">
     <property name="label" translatable="yes">_View All Applications</property>
-    <property name="visible">1</property>
     <property name="use-underline">1</property>
     <property name="can-focus">1</property>
     <property name="receives-default">1</property>
@@ -77,7 +70,6 @@
   </object>
   <object class="GtkButton" id="software_button">
     <property name="label" translatable="yes">_Find New Applications</property>
-    <property name="visible">1</property>
     <property name="use-underline">1</property>
     <property name="can-focus">1</property>
     <property name="receives-default">1</property>
diff --git a/gtk/ui/gtkappchooserwidget.ui b/gtk/ui/gtkappchooserwidget.ui
index 4cb9f300b3..3d0b7265c1 100644
--- a/gtk/ui/gtkappchooserwidget.ui
+++ b/gtk/ui/gtkappchooserwidget.ui
@@ -31,18 +31,15 @@
   <template class="GtkAppChooserWidget" parent="GtkWidget">
     <child>
       <object class="GtkOverlay" id="overlay">
-        <property name="visible">1</property>
         <child>
           <object class="GtkScrolledWindow" id="scrolled_window">
             <property name="width-request">400</property>
             <property name="height-request">300</property>
-            <property name="visible">1</property>
             <property name="can-focus">1</property>
             <property name="hscrollbar-policy">never</property>
             <property name="shadow-type">in</property>
             <child>
               <object class="GtkTreeView" id="program_list">
-                <property name="visible">1</property>
                 <property name="can-focus">1</property>
                 <property name="model">program_list_sort</property>
                 <property name="headers-visible">0</property>
@@ -101,7 +98,6 @@
             <property name="valign">center</property>
             <child>
               <object class="GtkImage">
-                <property name="visible">1</property>
                 <property name="icon-name">application-x-executable-symbolic</property>
                 <property name="pixel-size">48</property>
                 <property name="margin">12</property>
@@ -112,7 +108,6 @@
             </child>
             <child>
               <object class="GtkLabel" id="no_apps_label">
-                <property name="visible">1</property>
                 <property name="label" translatable="yes">No applications found.</property>
                 <property name="halign">center</property>
                 <property name="valign">center</property>
diff --git a/gtk/ui/gtkassistant.ui b/gtk/ui/gtkassistant.ui
index 4c0db86f6e..fc7af807e8 100644
--- a/gtk/ui/gtkassistant.ui
+++ b/gtk/ui/gtkassistant.ui
@@ -4,15 +4,12 @@
   <template class="GtkAssistant" parent="GtkWindow">
     <child type="titlebar">
       <object class="GtkHeaderBar" id="headerbar">
-        <property name="visible">1</property>
       </object>
     </child>
     <child>
       <object class="GtkBox" id="main_box">
-        <property name="visible">1</property>
         <child>
           <object class="GtkBox" id="sidebar">
-            <property name="visible">1</property>
             <property name="orientation">vertical</property>
             <style>
               <class name="sidebar"/>
@@ -21,12 +18,10 @@
         </child>
         <child>
           <object class="GtkBox" id="content_box">
-            <property name="visible">1</property>
             <property name="orientation">vertical</property>
             <property name="hexpand">1</property>
             <child>
               <object class="GtkNotebook" id="content">
-                <property name="visible">1</property>
                 <property name="can-focus">1</property>
                 <property name="show-tabs">0</property>
                 <property name="show-border">0</property>
@@ -37,7 +32,6 @@
             </child>
             <child>
               <object class="GtkBox" id="action_area">
-                <property name="visible">1</property>
                 <property name="halign">end</property>
                 <property name="spacing">6</property>
                 <property name="margin">6</property>
@@ -61,7 +55,6 @@
                 <child>
                   <object class="GtkButton" id="forward">
                     <property name="label" translatable="yes">_Next</property>
-                    <property name="visible">1</property>
                     <property name="can-focus">1</property>
                     <property name="can-default">1</property>
                     <property name="receives-default">1</property>
@@ -79,7 +72,6 @@
                 <child>
                   <object class="GtkButton" id="back">
                     <property name="label" translatable="yes">_Back</property>
-                    <property name="visible">1</property>
                     <property name="can-focus">1</property>
                     <property name="receives-default">1</property>
                     <property name="use-underline">1</property>
@@ -114,7 +106,6 @@
                   <object class="GtkButton" id="cancel">
                     <property name="visible">0</property>
                     <property name="label" translatable="yes">_Cancel</property>
-                    <property name="visible">1</property>
                     <property name="can-focus">1</property>
                     <property name="receives-default">1</property>
                     <property name="use-underline">1</property>
diff --git a/gtk/ui/gtkcolorchooserdialog.ui b/gtk/ui/gtkcolorchooserdialog.ui
index 1494264319..347fc6f99f 100644
--- a/gtk/ui/gtkcolorchooserdialog.ui
+++ b/gtk/ui/gtkcolorchooserdialog.ui
@@ -12,7 +12,6 @@
         <property name="margin">5</property>
         <child>
           <object class="GtkColorChooserWidget" id="chooser">
-            <property name="visible">1</property>
             <property name="orientation">vertical</property>
             <property name="margin">5</property>
             <property name="rgba">rgb(255,255,255)</property>
@@ -29,14 +28,12 @@
     </child>
     <child type="action">
       <object class="GtkButton" id="cancel_button">
-        <property name="visible">1</property>
         <property name="use-underline">1</property>
         <property name="label" translatable="yes">_Cancel</property>
       </object>
     </child>
     <child type="action">
       <object class="GtkButton" id="ok_button">
-        <property name="visible">1</property>
         <property name="label" translatable="yes">_Select</property>
         <property name="use-underline">1</property>
         <property name="can-default">1</property>
diff --git a/gtk/ui/gtkcombobox.ui b/gtk/ui/gtkcombobox.ui
index c67bfaacc8..d93c58785a 100644
--- a/gtk/ui/gtkcombobox.ui
+++ b/gtk/ui/gtkcombobox.ui
@@ -2,7 +2,6 @@
 <interface domain="gtk40">
   <!-- interface-requires gtk+ 3.10 -->
   <template class="GtkComboBox" parent="GtkBin">
-    <property name="expand">0</property>
     <child>
       <object class="GtkBox" id="box">
         <style>
@@ -31,12 +30,12 @@
       </object>
     </child>
   </template>
-  <object class="GtkCellAreaBox" id="area" />
+  <object class="GtkCellAreaBox" id="area"/>
   <object class="GtkTreeMenu" id="popup_widget">
     <property name="cell-area">area</property>
-    <signal name="menu-activate" handler="gtk_combo_box_menu_activate" swapped="no" />
-    <signal name="key-press-event" handler="gtk_combo_box_menu_key_press" swapped="no" />
-    <signal name="show" handler="gtk_combo_box_menu_show" swapped="no" />
-    <signal name="hide" handler="gtk_combo_box_menu_hide" swapped="no" />
+    <signal name="menu-activate" handler="gtk_combo_box_menu_activate" swapped="no"/>
+    <signal name="key-press-event" handler="gtk_combo_box_menu_key_press" swapped="no"/>
+    <signal name="show" handler="gtk_combo_box_menu_show" swapped="no"/>
+    <signal name="hide" handler="gtk_combo_box_menu_hide" swapped="no"/>
   </object>
 </interface>
diff --git a/gtk/ui/gtkfilechooserwidget.ui b/gtk/ui/gtkfilechooserwidget.ui
index bca73d6c94..5e6a6add86 100644
--- a/gtk/ui/gtkfilechooserwidget.ui
+++ b/gtk/ui/gtkfilechooserwidget.ui
@@ -229,7 +229,6 @@
                                 <child>
                                   <object class="GtkActionBar" id="remote_warning_bar">
                                     <property name="visible">0</property>
-
                                     <child type="center">
                                       <object class="GtkLabel">
                                         <property name="label" translatable="yes">Remote location — only searching the current folder</property>
@@ -402,7 +401,7 @@
           <object class="GtkEntry" id="new_folder_name_entry">
             <property name="width-chars">25</property>
             <property name="activates-default">1</property>
-            <property name="hexpand">true</property>
+            <property name="hexpand">1</property>
             <signal name="changed" handler="new_folder_name_changed"/>
           </object>
           <packing>
@@ -427,8 +426,7 @@
           </packing>
         </child>
         <child>
-          <object class="GtkFileChooserErrorStack" id="new_folder_error_stack">
-          </object>
+          <object class="GtkFileChooserErrorStack" id="new_folder_error_stack"/>
           <packing>
             <property name="left-attach">0</property>
             <property name="top-attach">2</property>
@@ -486,8 +484,7 @@
           </packing>
         </child>
         <child>
-          <object class="GtkFileChooserErrorStack" id="rename_file_error_stack">
-          </object>
+          <object class="GtkFileChooserErrorStack" id="rename_file_error_stack"/>
           <packing>
             <property name="left-attach">0</property>
             <property name="top-attach">2</property>
diff --git a/gtk/ui/gtkfontchooserdialog.ui b/gtk/ui/gtkfontchooserdialog.ui
index cff0c23f35..1baee0b5be 100644
--- a/gtk/ui/gtkfontchooserdialog.ui
+++ b/gtk/ui/gtkfontchooserdialog.ui
@@ -11,7 +11,6 @@
         <property name="margin">5</property>
         <child>
           <object class="GtkFontChooserWidget" id="fontchooser">
-            <property name="visible">1</property>
             <property name="vexpand">1</property>
             <signal name="font-activated" handler="font_activated_cb" swapped="no"/>
           </object>
@@ -23,14 +22,12 @@
     </child>
     <child type="action">
       <object class="GtkButton" id="cancel_button">
-        <property name="visible">1</property>
         <property name="use-underline">1</property>
         <property name="label" translatable="yes">_Cancel</property>
       </object>
     </child>
     <child type="action">
       <object class="GtkButton" id="ok_button">
-        <property name="visible">1</property>
         <property name="label" translatable="yes">_Select</property>
         <property name="use-underline">1</property>
         <property name="can-default">1</property>
diff --git a/gtk/ui/gtkfontchooserwidget.ui b/gtk/ui/gtkfontchooserwidget.ui
index 93eefd1af7..b77c60608d 100644
--- a/gtk/ui/gtkfontchooserwidget.ui
+++ b/gtk/ui/gtkfontchooserwidget.ui
@@ -33,12 +33,10 @@
   <template class="GtkFontChooserWidget" parent="GtkWidget">
     <child>
       <object class="GtkGrid" id="grid">
-        <property name="visible">1</property>
         <property name="row-spacing">6</property>
         <property name="column-spacing">6</property>
         <child>
           <object class="GtkSearchEntry" id="search_entry">
-            <property name="visible">1</property>
             <property name="can-focus">1</property>
             <property name="hexpand">1</property>
             <property name="activates-default">1</property>
@@ -59,17 +57,14 @@
         </child>
         <child>
           <object class="GtkStack" id="list_stack">
-            <property name="visible">1</property>
             <child>
               <object class="GtkGrid">
-                <property name="visible">1</property>
                 <property name="row-spacing">6</property>
                 <property name="column-spacing">6</property>
                 <child>
                   <object class="GtkScrolledWindow" id="list_scrolled_window">
                     <property name="width-request">400</property>
                     <property name="height-request">300</property>
-                    <property name="visible">1</property>
                     <property name="can-focus">1</property>
                     <property name="hexpand">1</property>
                     <property name="vexpand">1</property>
@@ -77,7 +72,6 @@
                     <property name="shadow-type">etched-in</property>
                     <child>
                       <object class="GtkTreeView" id="family_face_list">
-                        <property name="visible">1</property>
                         <property name="can-focus">1</property>
                         <property name="model">filter_model</property>
                         <property name="headers-visible">0</property>
@@ -113,7 +107,6 @@
                 </child>
                 <child>
                   <object class="GtkEntry" id="preview">
-                    <property name="visible">1</property>
                     <property name="can-focus">1</property>
                     <property name="placeholder-text" translatable="yes">Preview text</property>
                     <signal name="scroll-event" handler="resize_by_scroll_cb" swapped="no"/>
@@ -126,7 +119,6 @@
                 </child>
                 <child>
                   <object class="GtkScale" id="size_slider">
-                    <property name="visible">1</property>
                     <property name="can-focus">1</property>
                     <property name="hexpand">1</property>
                     <property name="adjustment">slider_adjustment</property>
@@ -141,7 +133,6 @@
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="size_spin">
-                    <property name="visible">1</property>
                     <property name="can-focus">1</property>
                     <property name="adjustment">spin_adjustment</property>
                     <signal name="output" handler="output_cb"/>
@@ -158,7 +149,6 @@
             </child>
             <child>
               <object class="GtkGrid">
-                <property name="visible">1</property>
                 <property name="row-spacing">12</property>
                 <property name="hexpand">1</property>
                 <property name="vexpand">1</property>
@@ -169,7 +159,6 @@
                 </style>
                 <child>
                   <object class="GtkImage">
-                    <property name="visible">1</property>
                     <property name="gicon">fonticon</property>
                     <property name="pixel-size">64</property>
                   </object>
@@ -180,7 +169,6 @@
                 </child>
                 <child>
                   <object class="GtkLabel">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes">No Fonts Found</property>
                     <attributes>
                       <attribute name="weight" value="bold"/>
diff --git a/gtk/ui/gtkinfobar.ui b/gtk/ui/gtkinfobar.ui
index 8473f15670..e4db67f315 100644
--- a/gtk/ui/gtkinfobar.ui
+++ b/gtk/ui/gtkinfobar.ui
@@ -4,14 +4,11 @@
   <template class="GtkInfoBar" parent="GtkBox">
     <child>
       <object class="GtkRevealer" id="revealer">
-        <property name="visible">1</property>
         <property name="reveal-child">1</property>
         <child>
           <object class="GtkBox" id="content">
-            <property name="visible">1</property>
             <child>
               <object class="GtkBox" id="content_area">
-                <property name="visible">1</property>
                 <property name="spacing">16</property>
                 <property name="margin">8</property>
                 <property name="hexpand">1</property>
@@ -19,7 +16,6 @@
             </child>
             <child>
               <object class="GtkButtonBox" id="action_area">
-                <property name="visible">1</property>
                 <property name="spacing">6</property>
                 <property name="margin">6</property>
                 <property name="layout-style">end</property>
diff --git a/gtk/ui/gtklockbutton.ui b/gtk/ui/gtklockbutton.ui
index 9332197a56..27973f02c5 100644
--- a/gtk/ui/gtklockbutton.ui
+++ b/gtk/ui/gtklockbutton.ui
@@ -18,7 +18,6 @@
           <object class="GtkStack" id="stack">
             <child>
               <object class="GtkLabel" id="label_lock">
-                <property name="visible">1</property>
                 <property name="xalign">0</property>
                 <property name="label" translatable="yes">Lock</property>
               </object>
diff --git a/gtk/ui/gtkmessagedialog.ui b/gtk/ui/gtkmessagedialog.ui
index 1213c3fb67..4097a2a798 100644
--- a/gtk/ui/gtkmessagedialog.ui
+++ b/gtk/ui/gtkmessagedialog.ui
@@ -8,7 +8,6 @@
     <property name="skip-taskbar-hint">1</property>
     <child internal-child="headerbar">
       <object class="GtkHeaderBar" id="headerbar1">
-        <property name="visible">1</property>
       </object>
     </child>
     <child internal-child="vbox">
@@ -17,19 +16,16 @@
         <property name="spacing">20</property>
         <child>
           <object class="GtkBox" id="box">
-            <property name="visible">1</property>
             <property name="margin-start">30</property>
             <property name="margin-end">30</property>
             <property name="spacing">30</property>
             <child>
               <object class="GtkBox" id="message_area">
-                <property name="visible">1</property>
                 <property name="orientation">vertical</property>
                 <property name="spacing">10</property>
                 <property name="hexpand">1</property>
                 <child>
                   <object class="GtkLabel" id="label">
-                    <property name="visible">1</property>
                     <property name="halign">center</property>
                     <property name="valign">start</property>
                     <property name="wrap">1</property>
diff --git a/gtk/ui/gtkpagesetupunixdialog.ui b/gtk/ui/gtkpagesetupunixdialog.ui
index 4d2dabe2b5..373aa5fc93 100644
--- a/gtk/ui/gtkpagesetupunixdialog.ui
+++ b/gtk/ui/gtkpagesetupunixdialog.ui
@@ -35,14 +35,12 @@
         <property name="margin">5</property>
         <child>
           <object class="GtkGrid" id="grid1">
-            <property name="visible">1</property>
             <property name="row-spacing">6</property>
             <property name="column-spacing">12</property>
             <property name="margin">5</property>
             <property name="vexpand">1</property>
             <child>
               <object class="GtkLabel" id="printer_combo_label">
-                <property name="visible">1</property>
                 <property name="halign">start</property>
                 <property name="valign">center</property>
                 <property name="label" translatable="yes">_Format for:</property>
@@ -56,7 +54,6 @@
             </child>
             <child>
               <object class="GtkComboBox" id="printer_combo">
-                <property name="visible">1</property>
                 <property name="hexpand">1</property>
                 <property name="model">printer_list</property>
                 <signal name="changed" handler="printer_changed_callback" swapped="no"/>
@@ -75,7 +72,6 @@
             </child>
             <child>
               <object class="GtkLabel" id="paper_size_combo_label">
-                <property name="visible">1</property>
                 <property name="halign">start</property>
                 <property name="valign">center</property>
                 <property name="label" translatable="yes">_Paper size:</property>
@@ -89,7 +85,6 @@
             </child>
             <child>
               <object class="GtkComboBox" id="paper_size_combo">
-                <property name="visible">1</property>
                 <property name="hexpand">1</property>
                 <property name="model">page_setup_list</property>
                 <signal name="changed" handler="paper_size_changed" swapped="no"/>
@@ -105,7 +100,6 @@
             </child>
             <child>
               <object class="GtkLabel" id="paper_size_label">
-                <property name="visible">1</property>
                 <property name="halign">start</property>
                 <property name="valign">center</property>
               </object>
@@ -117,7 +111,6 @@
             </child>
             <child>
               <object class="GtkLabel" id="orientation_label">
-                <property name="visible">1</property>
                 <property name="halign">start</property>
                 <property name="valign">center</property>
                 <property name="label" translatable="yes">_Orientation:</property>
@@ -131,24 +124,20 @@
             </child>
             <child>
               <object class="GtkRadioButton" id="portrait_radio">
-                <property name="visible">1</property>
                 <property name="can-focus">1</property>
                 <property name="hexpand">1</property>
                 <property name="active">1</property>
                 <property name="draw-indicator">1</property>
                 <child>
                   <object class="GtkBox" id="box1">
-                    <property name="visible">1</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkImage" id="image1">
-                        <property name="visible">1</property>
                         <property name="icon-name">gtk-orientation-portrait</property>
                       </object>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label1">
-                        <property name="visible">1</property>
                         <property name="label" translatable="yes">Portrait</property>
                       </object>
                       <packing>
@@ -165,7 +154,6 @@
             </child>
             <child>
               <object class="GtkRadioButton" id="reverse_portrait_radio">
-                <property name="visible">1</property>
                 <property name="can-focus">1</property>
                 <property name="hexpand">1</property>
                 <property name="active">1</property>
@@ -173,17 +161,14 @@
                 <property name="group">portrait_radio</property>
                 <child>
                   <object class="GtkBox" id="box2">
-                    <property name="visible">1</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkImage" id="image2">
-                        <property name="visible">1</property>
                         <property name="icon-name">gtk-orientation-reverse-portrait</property>
                       </object>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label2">
-                        <property name="visible">1</property>
                         <property name="label" translatable="yes">Reverse portrait</property>
                       </object>
                       <packing>
@@ -200,7 +185,6 @@
             </child>
             <child>
               <object class="GtkRadioButton" id="landscape_radio">
-                <property name="visible">1</property>
                 <property name="can-focus">1</property>
                 <property name="hexpand">1</property>
                 <property name="active">1</property>
@@ -208,17 +192,14 @@
                 <property name="group">portrait_radio</property>
                 <child>
                   <object class="GtkBox" id="box3">
-                    <property name="visible">1</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkImage" id="image3">
-                        <property name="visible">1</property>
                         <property name="icon-name">gtk-orientation-landscape</property>
                       </object>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label3">
-                        <property name="visible">1</property>
                         <property name="label" translatable="yes">Landscape</property>
                       </object>
                       <packing>
@@ -235,24 +216,20 @@
             </child>
             <child>
               <object class="GtkRadioButton" id="reverse_landscape_radio">
-                <property name="visible">1</property>
                 <property name="can-focus">1</property>
                 <property name="hexpand">1</property>
                 <property name="draw-indicator">1</property>
                 <property name="group">portrait_radio</property>
                 <child>
                   <object class="GtkBox" id="box4">
-                    <property name="visible">1</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkImage" id="image4">
-                        <property name="visible">1</property>
                         <property name="icon-name">gtk-orientation-reverse-landscape</property>
                       </object>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label4">
-                        <property name="visible">1</property>
                         <property name="label" translatable="yes">Reverse landscape</property>
                       </object>
                       <packing>
diff --git a/gtk/ui/gtkplacesviewrow.ui b/gtk/ui/gtkplacesviewrow.ui
index 975945c42a..4d5418a4e2 100644
--- a/gtk/ui/gtkplacesviewrow.ui
+++ b/gtk/ui/gtkplacesviewrow.ui
@@ -7,7 +7,6 @@
     <property name="can-focus">True</property>
     <child>
       <object class="GtkBox" id="box">
-        <property name="visible">1</property>
         <property name="margin-start">12</property>
         <property name="margin-end">12</property>
         <property name="margin-top">6</property>
@@ -15,13 +14,11 @@
         <property name="spacing">18</property>
         <child>
           <object class="GtkImage" id="icon_image">
-            <property name="visible">1</property>
             <property name="pixel-size">32</property>
           </object>
         </child>
         <child>
           <object class="GtkLabel" id="name_label">
-            <property name="visible">1</property>
             <property name="hexpand">1</property>
             <property name="xalign">0</property>
             <property name="ellipsize">end</property>
@@ -43,7 +40,6 @@
         </child>
         <child>
           <object class="GtkLabel" id="path_label">
-            <property name="visible">1</property>
             <property name="justify">right</property>
             <property name="ellipsize">middle</property>
             <property name="xalign">0</property>
@@ -58,9 +54,6 @@
         </child>
         <child>
           <object class="GtkStack" id="mount_stack">
-            <property name="visible">1</property>
-            <property name="hhomogeneous">1</property>
-            <property name="vhomogeneous">1</property>
             <child>
               <object class="GtkButton" id="eject_button">
                 <property name="visible">0</property>
@@ -69,7 +62,6 @@
                 <property name="tooltip-text" translatable="yes">Unmount</property>
                 <child>
                   <object class="GtkImage" id="eject_icon">
-                    <property name="visible">1</property>
                     <property name="icon-name">media-eject-symbolic</property>
                   </object>
                 </child>
@@ -81,7 +73,6 @@
             </child>
             <child>
               <object class="GtkSpinner" id="busy_spinner">
-                <property name="visible">1</property>
                 <property name="active">1</property>
                 <property name="halign">center</property>
                 <property name="valign">center</property>
diff --git a/gtk/ui/gtkprintunixdialog.ui b/gtk/ui/gtkprintunixdialog.ui
index abce362e14..59c82b03bd 100644
--- a/gtk/ui/gtkprintunixdialog.ui
+++ b/gtk/ui/gtkprintunixdialog.ui
@@ -61,34 +61,28 @@
         </style>
         <child>
           <object class="GtkBox" id="box1">
-            <property name="visible">1</property>
             <property name="orientation">vertical</property>
             <property name="vexpand">1</property>
             <child>
               <object class="GtkNotebook" id="notebook">
-                <property name="visible">1</property>
                 <property name="can-focus">1</property>
                 <property name="show-border">0</property>
                 <child>
                   <object class="GtkBox" id="general_main_box">
-                    <property name="visible">1</property>
                     <property name="orientation">vertical</property>
                     <property name="spacing">18</property>
                     <property name="margin">12</property>
                     <child>
                       <object class="GtkBox" id="box2">
-                        <property name="visible">1</property>
                         <property name="orientation">vertical</property>
                         <property name="spacing">6</property>
                         <child>
                           <object class="GtkScrolledWindow" id="printer_swin">
-                            <property name="visible">1</property>
                             <property name="can-focus">1</property>
                             <property name="shadow-type">in</property>
                             <property name="vexpand">1</property>
                             <child>
                               <object class="GtkTreeView" id="printer_treeview">
-                                <property name="visible">1</property>
                                 <property name="can-focus">1</property>
                                 <property name="model">printer_list_filter</property>
                                 <signal name="row-activated" handler="emit_ok_response" swapped="no"/>
@@ -149,7 +143,6 @@
                         </child>
                         <child>
                           <object class="GtkBox" id="extension_point">
-                            <property name="visible">1</property>
                             <property name="spacing">18</property>
                           </object>
                           <packing>
@@ -160,17 +153,14 @@
                     </child>
                     <child>
                       <object class="GtkBox" id="box3">
-                        <property name="visible">1</property>
                         <property name="spacing">18</property>
                         <child>
                           <object class="GtkBox" id="frame_template1">
-                            <property name="visible">1</property>
                             <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <property name="hexpand">1</property>
                             <child>
                               <object class="GtkLabel" id="label_widget1">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes">Range</property>
@@ -184,14 +174,12 @@
                             </child>
                             <child>
                               <object class="GtkGrid" id="range_table">
-                                <property name="visible">1</property>
                                 <property name="margin-start">12</property>
                                 <property name="row-spacing">6</property>
                                 <property name="column-spacing">12</property>
                                 <child>
                                   <object class="GtkRadioButton" id="all_pages_radio">
                                     <property name="label" translatable="yes">_All Pages</property>
-                                    <property name="visible">1</property>
                                     <property name="can-focus">1</property>
                                     <property name="use-underline">1</property>
                                     <property name="active">1</property>
@@ -206,7 +194,6 @@
                                 <child>
                                   <object class="GtkRadioButton" id="current_page_radio">
                                     <property name="label" translatable="yes">C_urrent Page</property>
-                                    <property name="visible">1</property>
                                     <property name="sensitive">0</property>
                                     <property name="can-focus">1</property>
                                     <property name="use-underline">1</property>
@@ -239,7 +226,6 @@
                                 <child>
                                   <object class="GtkRadioButton" id="page_range_radio">
                                     <property name="label" translatable="yes">Pag_es:</property>
-                                    <property name="visible">1</property>
                                     <property name="can-focus">1</property>
                                     <property name="tooltip-text" translatable="yes">Specify one or more page ranges,
  e.g. 1–3, 7, 11</property>
@@ -256,7 +242,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkEntry" id="page_range_entry">
-                                    <property name="visible">1</property>
                                     <property name="sensitive">0</property>
                                     <property name="can-focus">1</property>
                                     <property name="tooltip-text" translatable="yes">Specify one or more page ranges,
@@ -287,13 +272,11 @@
                         </child>
                         <child>
                           <object class="GtkBox" id="frame_template2">
-                            <property name="visible">1</property>
                             <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <property name="hexpand">1</property>
                             <child>
                               <object class="GtkLabel" id="label_widget2">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes">Copies</property>
@@ -307,13 +290,11 @@
                             </child>
                             <child>
                               <object class="GtkGrid" id="grid1">
-                                <property name="visible">1</property>
                                 <property name="margin-start">12</property>
                                 <property name="row-spacing">6</property>
                                 <property name="column-spacing">12</property>
                                 <child>
                                   <object class="GtkLabel" id="label4">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Copie_s:</property>
@@ -327,7 +308,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkSpinButton" id="copies_spin">
-                                    <property name="visible">1</property>
                                     <property name="can-focus">1</property>
                                     <property name="valign">baseline</property>
                                     <property name="adjustment">copies_spin_adjustment</property>
@@ -342,10 +322,8 @@
                                 <child>
                                   <object class="GtkCheckButton" id="collate_check">
                                     <property name="label" translatable="yes">C_ollate</property>
-                                    <property name="visible">1</property>
                                     <property name="can-focus">1</property>
                                     <property name="use-underline">1</property>
-                                    <property name="draw-indicator">1</property>
                                     <signal name="toggled" handler="update_collate_icon" swapped="no"/>
                                   </object>
                                   <packing>
@@ -356,10 +334,8 @@
                                 <child>
                                   <object class="GtkCheckButton" id="reverse_check">
                                     <property name="label" translatable="yes">_Reverse</property>
-                                    <property name="visible">1</property>
                                     <property name="can-focus">1</property>
                                     <property name="use-underline">1</property>
-                                    <property name="draw-indicator">1</property>
                                     <signal name="toggled" handler="update_collate_icon" swapped="no"/>
                                   </object>
                                   <packing>
@@ -371,7 +347,6 @@
                                   <object class="GtkDrawingArea" id="collate_image">
                                     <property name="content-width">70</property>
                                     <property name="content-height">90</property>
-                                    <property name="visible">1</property>
                                   </object>
                                   <packing>
                                     <property name="left-attach">1</property>
@@ -401,29 +376,24 @@
                 </child>
                 <child type="tab">
                   <object class="GtkLabel" id="label1">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes">General</property>
                   </object>
                 </child>
                 <child>
                   <object class="GtkBox" id="page_setup_main_box">
-                    <property name="visible">1</property>
                     <property name="orientation">vertical</property>
                     <property name="spacing">18</property>
                     <property name="margin">12</property>
                     <child>
                       <object class="GtkBox" id="box4">
-                        <property name="visible">1</property>
                         <property name="spacing">18</property>
                         <child>
                           <object class="GtkBox" id="frame_template3">
-                            <property name="visible">1</property>
                             <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <property name="hexpand">1</property>
                             <child>
                               <object class="GtkLabel" id="label_widget3">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes">Layout</property>
@@ -437,13 +407,11 @@
                             </child>
                             <child>
                               <object class="GtkGrid" id="grid2">
-                                <property name="visible">1</property>
                                 <property name="margin-start">12</property>
                                 <property name="row-spacing">6</property>
                                 <property name="column-spacing">12</property>
                                 <child>
                                   <object class="GtkLabel" id="label5">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">T_wo-sided:</property>
@@ -468,7 +436,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="label6">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Pages per _side:</property>
@@ -495,7 +462,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="label7">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Page or_dering:</property>
@@ -521,7 +487,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="label8">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">_Only print:</property>
@@ -535,7 +500,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkComboBoxText" id="page_set_combo">
-                                    <property name="visible">1</property>
                                     <property name="valign">baseline</property>
                                     <property name="active">0</property>
                                     <property name="entry-text-column">0</property>
@@ -553,7 +517,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="label9">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Sc_ale:</property>
@@ -567,12 +530,10 @@
                                 </child>
                                 <child>
                                   <object class="GtkBox" id="box5">
-                                    <property name="visible">1</property>
                                     <property name="spacing">6</property>
                                     <property name="valign">baseline</property>
                                     <child>
                                       <object class="GtkSpinButton" id="scale_spin">
-                                        <property name="visible">1</property>
                                         <property name="valign">baseline</property>
                                         <property name="can-focus">1</property>
                                         <property name="adjustment">scale_spin_adjustment</property>
@@ -581,7 +542,6 @@
                                     </child>
                                     <child>
                                       <object class="GtkLabel" id="label10">
-                                        <property name="visible">1</property>
                                         <property name="valign">baseline</property>
                                         <property name="label">%</property>
                                       </object>
@@ -607,13 +567,11 @@
                         </child>
                         <child>
                           <object class="GtkBox" id="frame_template4">
-                            <property name="visible">1</property>
                             <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <property name="hexpand">1</property>
                             <child>
                               <object class="GtkLabel" id="label_widget4">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes">Paper</property>
@@ -627,13 +585,11 @@
                             </child>
                             <child>
                               <object class="GtkGrid" id="grid3">
-                                <property name="visible">1</property>
                                 <property name="margin-start">12</property>
                                 <property name="row-spacing">6</property>
                                 <property name="column-spacing">12</property>
                                 <child>
                                   <object class="GtkLabel" id="label11">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Paper _type:</property>
@@ -658,7 +614,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="label12">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Paper _source:</property>
@@ -683,7 +638,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="label13">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Output t_ray:</property>
@@ -708,7 +662,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="paper_size_combo_label">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">_Paper size:</property>
@@ -722,7 +675,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkComboBox" id="paper_size_combo">
-                                    <property name="visible">1</property>
                                     <property name="sensitive">0</property>
                                     <property name="model">page_setup_list</property>
                                     <property name="valign">baseline</property>
@@ -737,7 +689,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkLabel" id="orientation_combo_label">
-                                    <property name="visible">1</property>
                                     <property name="halign">start</property>
                                     <property name="valign">baseline</property>
                                     <property name="label" translatable="yes">Or_ientation:</property>
@@ -751,7 +702,6 @@
                                 </child>
                                 <child>
                                   <object class="GtkComboBoxText" id="orientation_combo">
-                                    <property name="visible">1</property>
                                     <property name="sensitive">0</property>
                                     <property name="active">0</property>
                                     <property name="entry-text-column">0</property>
@@ -786,12 +736,10 @@
                     </child>
                     <child>
                       <object class="GtkBox" id="box6">
-                        <property name="visible">1</property>
                         <child>
                           <object class="GtkDrawingArea" id="page_layout_preview">
                             <property name="content-width">320</property>
                             <property name="content-height">160</property>
-                            <property name="visible">1</property>
                             <property name="hexpand">1</property>
                           </object>
                         </child>
@@ -807,7 +755,6 @@
                 </child>
                 <child type="tab">
                   <object class="GtkLabel" id="label2">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes">Page Setup</property>
                   </object>
                   <packing>
@@ -822,12 +769,10 @@
                     <property name="margin">12</property>
                     <child>
                       <object class="GtkBox" id="frame_template5">
-                        <property name="visible">1</property>
                         <property name="orientation">vertical</property>
                         <property name="spacing">6</property>
                         <child>
                           <object class="GtkLabel" id="label_widget5">
-                            <property name="visible">1</property>
                             <property name="halign">start</property>
                             <property name="valign">center</property>
                             <property name="label" translatable="yes">Job Details</property>
@@ -841,13 +786,11 @@
                         </child>
                         <child>
                           <object class="GtkGrid" id="grid5">
-                            <property name="visible">1</property>
                             <property name="margin-start">12</property>
                             <property name="row-spacing">6</property>
                             <property name="column-spacing">12</property>
                             <child>
                               <object class="GtkLabel" id="label16">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes">Pri_ority:</property>
@@ -871,7 +814,6 @@
                             </child>
                             <child>
                               <object class="GtkLabel" id="label17">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes">_Billing info:</property>
@@ -909,12 +851,10 @@
                     </child>
                     <child>
                       <object class="GtkBox" id="frame_template6">
-                        <property name="visible">1</property>
                         <property name="orientation">vertical</property>
                         <property name="spacing">6</property>
                         <child>
                           <object class="GtkLabel" id="label_widget6">
-                            <property name="visible">1</property>
                             <property name="halign">start</property>
                             <property name="valign">center</property>
                             <property name="label" translatable="yes">Print Document</property>
@@ -928,14 +868,12 @@
                         </child>
                         <child>
                           <object class="GtkGrid" id="grid6">
-                            <property name="visible">1</property>
                             <property name="margin-start">12</property>
                             <property name="row-spacing">6</property>
                             <property name="column-spacing">12</property>
                             <child>
                               <object class="GtkRadioButton" id="print_now_radio">
                                 <property name="label" translatable="yes" comments="this is one of the choices for the print at option in the print dialog">_Now</property>
-                                <property name="visible">1</property>
                                 <property name="can-focus">1</property>
                                 <property name="use-underline">1</property>
                                 <property name="active">1</property>
@@ -951,7 +889,6 @@
                             <child>
                               <object class="GtkRadioButton" id="print_at_radio">
                                 <property name="label" translatable="yes" comments="this is one of the choices for the print at option in the print dialog. It also serves as the label for an entry that allows the user to enter a time.">A_t:</property>
-                                <property name="visible">1</property>
                                 <property name="can-focus">1</property>
                                 <property name="has-tooltip">1</property>
                                 <property name="tooltip-markup" translatable="yes">Specify the time of print,
@@ -971,7 +908,6 @@
                             </child>
                             <child>
                               <object class="GtkEntry" id="print_at_entry">
-                                <property name="visible">1</property>
                                 <property name="sensitive">0</property>
                                 <property name="can-focus">1</property>
                                 <property name="has-tooltip">1</property>
@@ -996,7 +932,6 @@
                             <child>
                               <object class="GtkRadioButton" id="print_hold_radio">
                                 <property name="label" translatable="yes" comments="this is one of the choices for the print at option in the print dialog. It means that the print job will not be printed until it explicitly gets &apos;released&apos;.">On _hold</property>
-                                <property name="visible">1</property>
                                 <property name="can-focus">1</property>
                                 <property name="has-tooltip">1</property>
                                 <property name="tooltip-markup" translatable="yes">Hold the job until it is explicitly released</property>
@@ -1028,12 +963,10 @@
                     </child>
                     <child>
                       <object class="GtkBox" id="frame_template7">
-                        <property name="visible">1</property>
                         <property name="orientation">vertical</property>
                         <property name="spacing">6</property>
                         <child>
                           <object class="GtkLabel" id="label_widget7">
-                            <property name="visible">1</property>
                             <property name="halign">start</property>
                             <property name="valign">center</property>
                             <property name="label" translatable="yes">Add Cover Page</property>
@@ -1047,13 +980,11 @@
                         </child>
                         <child>
                           <object class="GtkGrid" id="grid7">
-                            <property name="visible">1</property>
                             <property name="margin-start">12</property>
                             <property name="row-spacing">6</property>
                             <property name="column-spacing">12</property>
                             <child>
                               <object class="GtkLabel" id="label18">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes" comments="this is the label used for the option in the print dialog that controls the front cover page.">Be_fore:</property>
@@ -1077,7 +1008,6 @@
                             </child>
                             <child>
                               <object class="GtkLabel" id="label19">
-                                <property name="visible">1</property>
                                 <property name="halign">start</property>
                                 <property name="valign">center</property>
                                 <property name="label" translatable="yes" comments="this is the label used for the option in the print dialog that controls the back cover page.">_After:</property>
@@ -1120,7 +1050,6 @@
                 </child>
                 <child type="tab">
                   <object class="GtkLabel" id="label3">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes">Job</property>
                   </object>
                   <packing>
@@ -1135,11 +1064,9 @@
                     <property name="hexpand">1</property>
                     <child>
                       <object class="GtkViewport" id="viewport1">
-                        <property name="visible">1</property>
                         <property name="shadow-type">none</property>
                         <child>
                           <object class="GtkGrid" id="image_quality_table">
-                            <property name="visible">1</property>
                             <property name="row-spacing">6</property>
                             <property name="column-spacing">12</property>
                             <property name="margin">12</property>
@@ -1154,7 +1081,6 @@
                 </child>
                 <child type="tab">
                   <object class="GtkLabel" id="label20">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes" comments="This will appear as a tab label in the print dialog.">Image Quality</property>
                   </object>
                   <packing>
@@ -1168,11 +1094,9 @@
                     <property name="hscrollbar-policy">never</property>
                     <child>
                       <object class="GtkViewport" id="viewport2">
-                        <property name="visible">1</property>
                         <property name="shadow-type">none</property>
                         <child>
                           <object class="GtkGrid" id="color_table">
-                            <property name="visible">1</property>
                             <property name="row-spacing">6</property>
                             <property name="column-spacing">12</property>
                             <property name="margin">12</property>
@@ -1187,7 +1111,6 @@
                 </child>
                 <child type="tab">
                   <object class="GtkLabel" id="label21">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes" comments="This will appear as a tab label in the print dialog.">Color</property>
                   </object>
                   <packing>
@@ -1201,11 +1124,9 @@
                     <property name="hscrollbar-policy">never</property>
                     <child>
                       <object class="GtkViewport" id="viewport3">
-                        <property name="visible">1</property>
                         <property name="shadow-type">none</property>
                         <child>
                           <object class="GtkGrid" id="finishing_table">
-                            <property name="visible">1</property>
                             <property name="row-spacing">6</property>
                             <property name="column-spacing">12</property>
                             <property name="margin">12</property>
@@ -1220,7 +1141,6 @@
                 </child>
                 <child type="tab">
                   <object class="GtkLabel" id="label22">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes" comments="This will appear as a tab label in the print dialog. It&apos;s a typographical term, as in &quot;Binding and finishing&quot;">Finishing</property>
                   </object>
                   <packing>
@@ -1234,11 +1154,9 @@
                     <property name="hscrollbar-policy">never</property>
                     <child>
                       <object class="GtkViewport" id="viewport4">
-                        <property name="visible">1</property>
                         <property name="shadow-type">none</property>
                         <child>
                           <object class="GtkBox" id="advanced_vbox">
-                            <property name="visible">1</property>
                             <property name="orientation">vertical</property>
                             <property name="spacing">18</property>
                             <property name="margin">12</property>
@@ -1253,7 +1171,6 @@
                 </child>
                 <child type="tab">
                   <object class="GtkLabel" id="label23">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes">Advanced</property>
                   </object>
                   <packing>
@@ -1267,13 +1184,11 @@
               <object class="GtkActionBar" id="conflicts_widget">
                 <child>
                   <object class="GtkImage" id="image1">
-                    <property name="visible">1</property>
                     <property name="icon-name">dialog-warning-symbolic</property>
                   </object>
                 </child>
                 <child>
                   <object class="GtkLabel" id="label24">
-                    <property name="visible">1</property>
                     <property name="label" translatable="yes">Some of the settings in the dialog conflict</property>
                   </object>
                 </child>
diff --git a/gtk/ui/gtkrecentchooserdefault.ui b/gtk/ui/gtkrecentchooserdefault.ui
index 74809c0cf8..03db684621 100644
--- a/gtk/ui/gtkrecentchooserdefault.ui
+++ b/gtk/ui/gtkrecentchooserdefault.ui
@@ -18,14 +18,12 @@
     <property name="expand">0</property>
     <child>
       <object class="GtkScrolledWindow" id="scrolledwindow">
-        <property name="visible">1</property>
         <property name="can-focus">1</property>
         <property name="hscrollbar-policy">never</property>
         <property name="shadow-type">in</property>
         <property name="vexpand">1</property>
         <child>
           <object class="GtkTreeView" id="recent_view">
-            <property name="visible">1</property>
             <property name="can-focus">1</property>
             <property name="has-tooltip">1</property>
             <property name="headers-visible">0</property>
@@ -45,8 +43,7 @@
               <object class="GtkTreeViewColumn" id="icon_column">
                 <property name="title">icon</property>
                 <child>
-                  <object class="GtkCellRendererPixbuf" id="icon_renderer">
-                  </object>
+                  <object class="GtkCellRendererPixbuf" id="icon_renderer"/>
                 </child>
               </object>
             </child>
@@ -73,7 +70,6 @@
         <property name="spacing">12</property>
         <child>
           <object class="GtkComboBoxText" id="filter_combo">
-            <property name="visible">1</property>
             <property name="tooltip-text" translatable="yes">Select which type of documents are shown</property>
             <property name="focus-on-click">0</property>
             <property name="entry-text-column">0</property>
diff --git a/gtk/ui/gtksidebarrow.ui b/gtk/ui/gtksidebarrow.ui
index 3f433da56e..1b27223261 100644
--- a/gtk/ui/gtksidebarrow.ui
+++ b/gtk/ui/gtksidebarrow.ui
@@ -33,8 +33,8 @@
             </child>
             <child>
               <object class="GtkImage" id="end_icon_widget">
-                <property name="visible">False</property>
-                <property name="hexpand">True</property>
+                <property name="visible">0</property>
+                <property name="hexpand">1</property>
                 <property name="halign">end</property>
                 <property name="valign">center</property>
                 <style>
diff --git a/gtk/ui/gtkstatusbar.ui b/gtk/ui/gtkstatusbar.ui
index b99f52167e..f5ae691394 100644
--- a/gtk/ui/gtkstatusbar.ui
+++ b/gtk/ui/gtkstatusbar.ui
@@ -2,7 +2,6 @@
 <interface domain="gtk40">
   <!-- interface-requires gtk+ 3.10 -->
   <template class="GtkStatusbar" parent="GtkWidget">
-    <property name="hexpand">0</property>
     <child>
       <object class="GtkFrame" id="frame">
         <property name="shadow-type">none</property>
diff --git a/gtk/ui/gtktooltipwindow.ui b/gtk/ui/gtktooltipwindow.ui
index f6d3101241..70bcc5f783 100644
--- a/gtk/ui/gtktooltipwindow.ui
+++ b/gtk/ui/gtktooltipwindow.ui
@@ -6,7 +6,6 @@
     <property name="type-hint">tooltip</property>
     <child>
       <object class="GtkBox" id="box">
-        <property name="visible">1</property>
         <property name="spacing">6</property>
         <property name="margin-top">6</property>
         <property name="margin-bottom">6</property>