diff --git a/plugins/docinfo/docinfo.ui b/plugins/docinfo/docinfo.ui
index bb73d40..b8a5f06 100755
--- a/plugins/docinfo/docinfo.ui
+++ b/plugins/docinfo/docinfo.ui
@@ -16,7 +16,6 @@
     <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
     <property name="focus_on_map">True</property>
     <property name="urgency_hint">False</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox1">
         <property name="visible">True</property>
diff --git a/plugins/externaltools/tools/tools.ui b/plugins/externaltools/tools/tools.ui
index 8b40ad9..fde220d 100755
--- a/plugins/externaltools/tools/tools.ui
+++ b/plugins/externaltools/tools/tools.ui
@@ -131,7 +131,6 @@
     <property name="default_height">500</property>
     <property name="type_hint">dialog</property>
     <property name="skip_taskbar_hint">True</property>
-    <property name="has_separator">False</property>
     <signal name="focus_out_event" handler="on_tool_manager_dialog_focus_out"/>
     <signal name="response" handler="on_tool_manager_dialog_response"/>
     <child internal-child="vbox">
diff --git a/plugins/pythonconsole/pythonconsole/config.ui b/plugins/pythonconsole/pythonconsole/config.ui
index 4ffe26f..14c36c7 100755
--- a/plugins/pythonconsole/pythonconsole/config.ui
+++ b/plugins/pythonconsole/pythonconsole/config.ui
@@ -6,7 +6,6 @@
     <property name="window_position">center-on-parent</property>
     <property name="destroy_with_parent">True</property>
     <property name="type_hint">dialog</property>
-    <property name="has_separator">False</property>
     <signal name="destroy" handler="on_dialog_config_destroy"/>
     <signal name="response" handler="on_dialog_config_response"/>
     <child internal-child="vbox">
diff --git a/plugins/snippets/snippets/snippets.ui b/plugins/snippets/snippets/snippets.ui
index b90324c..b8ddc95 100755
--- a/plugins/snippets/snippets/snippets.ui
+++ b/plugins/snippets/snippets/snippets.ui
@@ -51,7 +51,6 @@
     <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
     <property name="focus_on_map">True</property>
     <property name="urgency_hint">False</property>
-    <property name="has_separator">False</property>
     <signal handler="on_dialog_snippets_response" last_modification_time="Mon, 19 Dec 2005 11:20:00 GMT" name="response"/>
     <signal handler="on_dialog_snippets_destroy" last_modification_time="Sun, 22 Jun 2008 13:22:00 GMT" name="destroy"/>
     <child internal-child="vbox">
diff --git a/plugins/sort/sort.ui b/plugins/sort/sort.ui
index 4d1fe09..a74b713 100755
--- a/plugins/sort/sort.ui
+++ b/plugins/sort/sort.ui
@@ -26,7 +26,6 @@
     <property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
     <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
     <property name="focus_on_map">True</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox1">
         <property name="visible">True</property>
diff --git a/plugins/spell/languages-dialog.ui b/plugins/spell/languages-dialog.ui
index 8ceb705..1bc8603 100755
--- a/plugins/spell/languages-dialog.ui
+++ b/plugins/spell/languages-dialog.ui
@@ -16,7 +16,6 @@
     <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
     <property name="focus_on_map">True</property>
     <property name="urgency_hint">False</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox1">
         <property name="visible">True</property>
diff --git a/plugins/time/pluma-time-dialog.ui b/plugins/time/pluma-time-dialog.ui
index 398e9b9..6e9ab1a 100755
--- a/plugins/time/pluma-time-dialog.ui
+++ b/plugins/time/pluma-time-dialog.ui
@@ -10,7 +10,6 @@
     <property name="modal">False</property>
     <property name="resizable">False</property>
     <property name="destroy_with_parent">True</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox2">
         <property name="visible">True</property>
diff --git a/plugins/time/pluma-time-setup-dialog.ui b/plugins/time/pluma-time-setup-dialog.ui
index 46fb5b9..4d14f1b 100755
--- a/plugins/time/pluma-time-setup-dialog.ui
+++ b/plugins/time/pluma-time-setup-dialog.ui
@@ -9,7 +9,6 @@
     <property name="modal">False</property>
     <property name="resizable">False</property>
     <property name="destroy_with_parent">False</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox1">
         <property name="visible">True</property>
diff --git a/pluma/dialogs/pluma-encodings-dialog.ui b/pluma/dialogs/pluma-encodings-dialog.ui
index 0f37b43..2b22844 100755
--- a/pluma/dialogs/pluma-encodings-dialog.ui
+++ b/pluma/dialogs/pluma-encodings-dialog.ui
@@ -10,7 +10,6 @@
     <property name="modal">True</property>
     <property name="resizable">True</property>
     <property name="destroy_with_parent">True</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox3">
         <property name="visible">True</property>
diff --git a/pluma/dialogs/pluma-preferences-dialog.ui b/pluma/dialogs/pluma-preferences-dialog.ui
index 42d41e3..ac801a9 100755
--- a/pluma/dialogs/pluma-preferences-dialog.ui
+++ b/pluma/dialogs/pluma-preferences-dialog.ui
@@ -31,7 +31,6 @@
     <property name="resizable">False</property>
     <property name="destroy_with_parent">True</property>
     <property name="type_hint">dialog</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox">
         <property name="visible">True</property>
diff --git a/pluma/dialogs/pluma-search-dialog.ui b/pluma/dialogs/pluma-search-dialog.ui
index 4f137b1..73f6455 100755
--- a/pluma/dialogs/pluma-search-dialog.ui
+++ b/pluma/dialogs/pluma-search-dialog.ui
@@ -15,7 +15,6 @@
     <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
     <property name="focus_on_map">True</property>
     <property name="urgency_hint">False</property>
-    <property name="has_separator">False</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox1">
         <property name="visible">True</property>