diff --git a/clients/oxygen/config/ui/oxygenconfigurationui.ui b/clients/oxygen/config/ui/oxygenconfigurationui.ui
index 41c94a119a..772ff168aa 100644
--- a/clients/oxygen/config/ui/oxygenconfigurationui.ui
+++ b/clients/oxygen/config/ui/oxygenconfigurationui.ui
@@ -21,7 +21,7 @@
     <number>0</number>
    </property>
    <item>
-    <widget class="KTabWidget" name="tabWidget">
+    <widget class="QTabWidget" name="tabWidget">
      <property name="currentIndex">
       <number>0</number>
      </property>
@@ -424,12 +424,6 @@
    <extends>QComboBox</extends>
    <header>kcombobox.h</header>
   </customwidget>
-  <customwidget>
-   <class>KTabWidget</class>
-   <extends>QTabWidget</extends>
-   <header>ktabwidget.h</header>
-   <container>1</container>
-  </customwidget>
   <customwidget>
    <class>Oxygen::ShadowConfigWidget</class>
    <extends>QGroupBox</extends>