diff --git a/demos/gtk-demo/font-features.ui b/demos/gtk-demo/font-features.ui
index d271515304..a4e73d2afe 100644
--- a/demos/gtk-demo/font-features.ui
+++ b/demos/gtk-demo/font-features.ui
@@ -87,7 +87,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -103,7 +102,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="kern_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -158,7 +156,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -174,7 +171,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="liga_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -201,7 +197,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -217,7 +212,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="dlig_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -244,7 +238,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -260,7 +253,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="hlig_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -287,7 +279,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -303,7 +294,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="clig_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -358,7 +348,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -374,7 +363,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="smcp_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -401,7 +389,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -417,7 +404,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="c2sc_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -469,7 +455,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <signal name="notify::active" handler="update" swapped="no"/>
@@ -486,7 +471,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <property name="group">numcasedefault</property>
@@ -504,7 +488,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <property name="group">numcasedefault</property>
@@ -550,7 +533,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <signal name="notify::active" handler="update" swapped="no"/>
@@ -567,7 +549,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <property name="group">numspacedefault</property>
@@ -585,7 +566,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <property name="group">numspacedefault</property>
@@ -631,7 +611,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <signal name="notify::active" handler="update" swapped="no"/>
@@ -648,7 +627,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <property name="group">fractiondefault</property>
@@ -666,7 +644,6 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="xalign">0</property>
                                 <property name="active">True</property>
                                 <property name="draw_indicator">True</property>
                                 <property name="group">fractiondefault</property>
@@ -715,7 +692,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -731,7 +707,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="zero_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -758,7 +733,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -774,7 +748,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="nalt_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -829,7 +802,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -845,7 +817,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="swsh_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -872,7 +843,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -888,7 +858,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="calt_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -915,7 +884,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -931,7 +899,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="hist_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -958,7 +925,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -974,7 +940,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="salt_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -1029,7 +994,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -1045,7 +1009,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="ss01_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -1072,7 +1035,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -1088,7 +1050,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="ss02_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -1115,7 +1076,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -1131,7 +1091,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="ss03_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -1158,7 +1117,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -1174,7 +1132,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="ss04_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>
@@ -1201,7 +1158,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                   </object>
@@ -1217,7 +1173,6 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0</property>
                                     <property name="draw_indicator">True</property>
                                     <signal name="notify::active" handler="update" swapped="no"/>
                                     <property name="sensitive" bind-source="ss05_dflt" bind-property="active" bind-flags="sync-create|bidirectional"/>