diff --git a/gtk/inspector/inspect-button.c b/gtk/inspector/inspect-button.c
index c0df8deae5..3a1eb03815 100644
--- a/gtk/inspector/inspect-button.c
+++ b/gtk/inspector/inspect-button.c
@@ -316,16 +316,13 @@ property_query_event (GtkWidget *widget,
                       gpointer   data)
 {
   GtkInspectorWindow *iw = (GtkInspectorWindow *)data;
-  GdkDevice *device;
 
   if (event->type == GDK_BUTTON_RELEASE)
     {
-      device = gdk_event_get_device (event);
-
       g_signal_handlers_disconnect_by_func (widget, property_query_event, data);
       gtk_grab_remove (widget);
       if (iw->grabbed)
-        gdk_device_ungrab (device, GDK_CURRENT_TIME);
+        gdk_seat_ungrab (gdk_event_get_seat (event));
       reemphasize_window (GTK_WIDGET (iw));
 
       on_inspect_widget (widget, event, data);
@@ -342,9 +339,8 @@ property_query_event (GtkWidget *widget,
         {
           g_signal_handlers_disconnect_by_func (widget, property_query_event, data);
           gtk_grab_remove (widget);
-          device = gdk_device_get_associated_device (gdk_event_get_device (event));
           if (iw->grabbed)
-            gdk_device_ungrab (device, GDK_CURRENT_TIME);
+            gdk_seat_ungrab (gdk_event_get_seat (event));
           reemphasize_window (GTK_WIDGET (iw));
 
           clear_flash (iw);
@@ -359,7 +355,6 @@ gtk_inspector_on_inspect (GtkWidget          *button,
                           GtkInspectorWindow *iw)
 {
   GdkDisplay *display;
-  GdkDevice *device;
   GdkCursor *cursor;
   GdkGrabStatus status;
 
@@ -378,12 +373,10 @@ gtk_inspector_on_inspect (GtkWidget          *button,
 
   display = gdk_display_get_default ();
   cursor = gdk_cursor_new_from_name (display, "crosshair");
-  device = gdk_device_manager_get_client_pointer (gdk_display_get_device_manager (display));
-  status = gdk_device_grab (device,
-                            gtk_widget_get_window (iw->invisible),
-                            GDK_OWNERSHIP_NONE, TRUE,
-                            GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK,
-                            cursor, GDK_CURRENT_TIME);
+  status = gdk_seat_grab (gdk_display_get_default_seat (display),
+                          gtk_widget_get_window (iw->invisible),
+                          GDK_SEAT_CAPABILITY_ALL_POINTING, TRUE,
+                          cursor, NULL, NULL, NULL);
   g_object_unref (cursor);
   iw->grabbed = status == GDK_GRAB_SUCCESS;
 
@@ -487,13 +480,11 @@ void
 gtk_inspector_window_select_widget_under_pointer (GtkInspectorWindow *iw)
 {
   GdkDisplay *display;
-  GdkDeviceManager *dm;
   GdkDevice *device;
   GtkWidget *widget;
 
   display = gdk_display_get_default ();
-  dm = gdk_display_get_device_manager (display);
-  device = gdk_device_manager_get_client_pointer (dm);
+  device = gdk_seat_get_pointer (gdk_display_get_default_seat (display));
 
   widget = find_widget_at_pointer (device);