diff --git a/qt-ui/preferences.ui b/qt-ui/preferences.ui
index a8ee076a5..978914bf1 100644
--- a/qt-ui/preferences.ui
+++ b/qt-ui/preferences.ui
@@ -19,16 +19,7 @@
    </iconset>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout_2">
-   <property name="leftMargin">
-    <number>5</number>
-   </property>
-   <property name="topMargin">
-    <number>5</number>
-   </property>
-   <property name="rightMargin">
-    <number>5</number>
-   </property>
-   <property name="bottomMargin">
+   <property name="margin">
     <number>5</number>
    </property>
    <item>
@@ -170,16 +161,7 @@
          <property name="spacing">
           <number>5</number>
          </property>
-         <property name="leftMargin">
-          <number>5</number>
-         </property>
-         <property name="topMargin">
-          <number>5</number>
-         </property>
-         <property name="rightMargin">
-          <number>5</number>
-         </property>
-         <property name="bottomMargin">
+         <property name="margin">
           <number>5</number>
          </property>
          <item>
@@ -194,16 +176,7 @@
             <property name="verticalSpacing">
              <number>5</number>
             </property>
-            <property name="leftMargin">
-             <number>5</number>
-            </property>
-            <property name="topMargin">
-             <number>5</number>
-            </property>
-            <property name="rightMargin">
-             <number>5</number>
-            </property>
-            <property name="bottomMargin">
+            <property name="margin">
              <number>5</number>
             </property>
             <item row="0" column="0">
@@ -241,16 +214,7 @@
             <property name="verticalSpacing">
              <number>5</number>
             </property>
-            <property name="leftMargin">
-             <number>5</number>
-            </property>
-            <property name="topMargin">
-             <number>5</number>
-            </property>
-            <property name="rightMargin">
-             <number>5</number>
-            </property>
-            <property name="bottomMargin">
+            <property name="margin">
              <number>5</number>
             </property>
             <item row="0" column="0">
@@ -354,16 +318,7 @@
             <property name="verticalSpacing">
              <number>5</number>
             </property>
-            <property name="leftMargin">
-             <number>5</number>
-            </property>
-            <property name="topMargin">
-             <number>5</number>
-            </property>
-            <property name="rightMargin">
-             <number>5</number>
-            </property>
-            <property name="bottomMargin">
+            <property name="margin">
              <number>5</number>
             </property>
             <item row="0" column="0">
@@ -389,16 +344,7 @@
             <string>Animations</string>
            </property>
            <layout class="QHBoxLayout" name="horizontalLayout_7">
-            <property name="leftMargin">
-             <number>5</number>
-            </property>
-            <property name="topMargin">
-             <number>5</number>
-            </property>
-            <property name="rightMargin">
-             <number>5</number>
-            </property>
-            <property name="bottomMargin">
+            <property name="margin">
              <number>5</number>
             </property>
             <item>
@@ -437,16 +383,7 @@
             <property name="spacing">
              <number>5</number>
             </property>
-            <property name="leftMargin">
-             <number>5</number>
-            </property>
-            <property name="topMargin">
-             <number>5</number>
-            </property>
-            <property name="rightMargin">
-             <number>5</number>
-            </property>
-            <property name="bottomMargin">
+            <property name="margin">
              <number>5</number>
             </property>
             <item>
@@ -478,16 +415,7 @@
             <property name="spacing">
              <number>5</number>
             </property>
-            <property name="leftMargin">
-             <number>5</number>
-            </property>
-            <property name="topMargin">
-             <number>5</number>
-            </property>
-            <property name="rightMargin">
-             <number>5</number>
-            </property>
-            <property name="bottomMargin">
+            <property name="margin">
              <number>5</number>
             </property>
             <item>
@@ -507,8 +435,8 @@
            </property>
            <property name="sizeHint" stdset="0">
             <size>
-             <width>20</width>
-             <height>40</height>
+             <width>0</width>
+             <height>0</height>
             </size>
            </property>
           </spacer>
@@ -520,16 +448,7 @@
          <property name="spacing">
           <number>5</number>
          </property>
-         <property name="leftMargin">
-          <number>5</number>
-         </property>
-         <property name="topMargin">
-          <number>5</number>
-         </property>
-         <property name="rightMargin">
-          <number>5</number>
-         </property>
-         <property name="bottomMargin">
+         <property name="margin">
           <number>5</number>
          </property>
          <item>
@@ -806,8 +725,8 @@
            </property>
            <property name="sizeHint" stdset="0">
             <size>
-             <width>20</width>
-             <height>40</height>
+             <width>0</width>
+             <height>0</height>
             </size>
            </property>
           </spacer>
@@ -819,16 +738,7 @@
          <property name="spacing">
           <number>5</number>
          </property>
-         <property name="leftMargin">
-          <number>5</number>
-         </property>
-         <property name="topMargin">
-          <number>5</number>
-         </property>
-         <property name="rightMargin">
-          <number>5</number>
-         </property>
-         <property name="bottomMargin">
+         <property name="margin">
           <number>5</number>
          </property>
          <item>
@@ -1100,8 +1010,8 @@
            </property>
            <property name="sizeHint" stdset="0">
             <size>
-             <width>20</width>
-             <height>40</height>
+             <width>0</width>
+             <height>0</height>
             </size>
            </property>
           </spacer>
@@ -1113,16 +1023,7 @@
          <property name="spacing">
           <number>5</number>
          </property>
-         <property name="leftMargin">
-          <number>5</number>
-         </property>
-         <property name="topMargin">
-          <number>5</number>
-         </property>
-         <property name="rightMargin">
-          <number>5</number>
-         </property>
-         <property name="bottomMargin">
+         <property name="margin">
           <number>5</number>
          </property>
          <item>
@@ -1169,16 +1070,7 @@
          <property name="spacing">
           <number>5</number>
          </property>
-         <property name="leftMargin">
-          <number>5</number>
-         </property>
-         <property name="topMargin">
-          <number>5</number>
-         </property>
-         <property name="rightMargin">
-          <number>5</number>
-         </property>
-         <property name="bottomMargin">
+         <property name="margin">
           <number>5</number>
          </property>
          <item>
@@ -1401,8 +1293,8 @@
            </property>
            <property name="sizeHint" stdset="0">
             <size>
-             <width>20</width>
-             <height>40</height>
+             <width>0</width>
+             <height>0</height>
             </size>
            </property>
           </spacer>
@@ -1414,16 +1306,7 @@
          <property name="spacing">
           <number>5</number>
          </property>
-         <property name="leftMargin">
-          <number>5</number>
-         </property>
-         <property name="topMargin">
-          <number>5</number>
-         </property>
-         <property name="rightMargin">
-          <number>5</number>
-         </property>
-         <property name="bottomMargin">
+         <property name="margin">
           <number>5</number>
          </property>
          <item>
@@ -1457,8 +1340,8 @@
            </property>
            <property name="sizeHint" stdset="0">
             <size>
-             <width>20</width>
-             <height>40</height>
+             <width>0</width>
+             <height>0</height>
             </size>
            </property>
           </spacer>
@@ -1821,14 +1704,14 @@
   </connection>
  </connections>
  <buttongroups>
-  <buttongroup name="buttonGroup_2"/>
-  <buttongroup name="defaultFileGroup"/>
   <buttongroup name="verticalSpeed"/>
-  <buttongroup name="buttonGroup_5"/>
+  <buttongroup name="buttonGroup_2"/>
   <buttongroup name="buttonGroup_3"/>
+  <buttongroup name="buttonGroup_4"/>
+  <buttongroup name="defaultFileGroup"/>
+  <buttongroup name="buttonGroup_5"/>
   <buttongroup name="buttonGroup_6"/>
   <buttongroup name="buttonGroup_7"/>
   <buttongroup name="buttonGroup"/>
-  <buttongroup name="buttonGroup_4"/>
  </buttongroups>
 </ui>