diff --git a/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.ui b/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.ui
index 4552fa645b1..18df078ec6b 100644
--- a/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.ui
+++ b/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.ui
@@ -208,6 +208,18 @@
      </widget>
      <widget class="QWidget" name="backendViewPage">
       <layout class="QGridLayout" name="gridLayout_5">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
        <item row="0" column="0">
         <widget class="QTableView" name="backendView">
          <property name="alternatingRowColors">