diff --git a/gtk/ui/gtkaboutdialog.ui b/gtk/ui/gtkaboutdialog.ui
index 0e79a5f8f0..77f1ce2f75 100644
--- a/gtk/ui/gtkaboutdialog.ui
+++ b/gtk/ui/gtkaboutdialog.ui
@@ -2,7 +2,6 @@
 <interface domain="gtk40">
   <template class="GtkAboutDialog" parent="GtkDialog">
     <property name="resizable">0</property>
-    <property name="type-hint">dialog</property>
     <child internal-child="headerbar">
       <object class="GtkHeaderBar" id="headerbar1">
         <property name="show-title-buttons">1</property>
diff --git a/gtk/ui/gtkappchooserdialog.ui b/gtk/ui/gtkappchooserdialog.ui
index 7cd4692373..43d075ae15 100644
--- a/gtk/ui/gtkappchooserdialog.ui
+++ b/gtk/ui/gtkappchooserdialog.ui
@@ -2,7 +2,6 @@
 <interface domain="gtk40">
   <template class="GtkAppChooserDialog" parent="GtkDialog">
     <property name="title" translatable="yes">Select Application</property>
-    <property name="type-hint">dialog</property>
     <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox1">
         <property name="orientation">vertical</property>
diff --git a/gtk/ui/gtkcolorchooserdialog.ui b/gtk/ui/gtkcolorchooserdialog.ui
index a3e8f2a0f2..65b23b51ab 100644
--- a/gtk/ui/gtkcolorchooserdialog.ui
+++ b/gtk/ui/gtkcolorchooserdialog.ui
@@ -2,7 +2,6 @@
 <interface domain="gtk40">
   <template class="GtkColorChooserDialog" parent="GtkDialog">
     <property name="title" translatable="yes">Select a Color</property>
-    <property name="type-hint">dialog</property>
     <property name="resizable">0</property>
     <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox1">
diff --git a/gtk/ui/gtkdialog.ui b/gtk/ui/gtkdialog.ui
index 776ff7aa9b..ff53e3bb8c 100644
--- a/gtk/ui/gtkdialog.ui
+++ b/gtk/ui/gtkdialog.ui
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface domain="gtk40">
   <template class="GtkDialog" parent="GtkWindow">
-    <property name="type-hint">dialog</property>
     <child type="titlebar">
       <object class="GtkHeaderBar" id="headerbar">
         <property name="show-title-buttons">1</property>
diff --git a/gtk/ui/gtkfilechooserdialog.ui b/gtk/ui/gtkfilechooserdialog.ui
index 6c2cfc1d35..7aa7afe4e2 100644
--- a/gtk/ui/gtkfilechooserdialog.ui
+++ b/gtk/ui/gtkfilechooserdialog.ui
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface domain="gtk40">
   <template class="GtkFileChooserDialog" parent="GtkDialog">
-    <property name="type-hint">dialog</property>
     <property name="default-width">600</property>
     <signal name="response" handler="response_cb" swapped="no"/>
     <child internal-child="content_area">
diff --git a/gtk/ui/gtkfontchooserdialog.ui b/gtk/ui/gtkfontchooserdialog.ui
index d6f328d56b..c7fd9086db 100644
--- a/gtk/ui/gtkfontchooserdialog.ui
+++ b/gtk/ui/gtkfontchooserdialog.ui
@@ -2,7 +2,6 @@
 <interface domain="gtk40">
   <template class="GtkFontChooserDialog" parent="GtkDialog">
     <property name="title" translatable="yes">Select Font</property>
-    <property name="type-hint">dialog</property>
     <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox1">
         <property name="orientation">vertical</property>
diff --git a/gtk/ui/gtkmessagedialog.ui b/gtk/ui/gtkmessagedialog.ui
index 52484587df..e03bccef31 100644
--- a/gtk/ui/gtkmessagedialog.ui
+++ b/gtk/ui/gtkmessagedialog.ui
@@ -3,7 +3,6 @@
   <template class="GtkMessageDialog" parent="GtkDialog">
     <property name="title"></property>
     <property name="resizable">0</property>
-    <property name="type-hint">dialog</property>
     <child internal-child="headerbar">
       <object class="GtkHeaderBar" id="headerbar1"/>
     </child>
diff --git a/gtk/ui/gtkpagesetupunixdialog.ui b/gtk/ui/gtkpagesetupunixdialog.ui
index 6d6115eadc..91c73639ae 100644
--- a/gtk/ui/gtkpagesetupunixdialog.ui
+++ b/gtk/ui/gtkpagesetupunixdialog.ui
@@ -19,7 +19,6 @@
   </object>
   <template class="GtkPageSetupUnixDialog" parent="GtkDialog">
     <property name="resizable">0</property>
-    <property name="type-hint">dialog</property>
     <property name="title" translatable="yes">Page Setup</property>
     <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox1">
diff --git a/gtk/ui/gtkprintunixdialog.ui b/gtk/ui/gtkprintunixdialog.ui
index af4bc41fc0..b7695de8fe 100644
--- a/gtk/ui/gtkprintunixdialog.ui
+++ b/gtk/ui/gtkprintunixdialog.ui
@@ -37,7 +37,6 @@
     <property name="step-increment">1</property>
   </object>
   <template class="GtkPrintUnixDialog" parent="GtkDialog">
-    <property name="type-hint">dialog</property>
     <signal name="notify::page-setup" handler="redraw_page_layout_preview" swapped="no"/>
     <signal name="response" handler="error_dialogs" swapped="no"/>
     <child internal-child="content_area">