diff --git a/src/mainwindow.ui b/src/mainwindow.ui
index 2a5ff9c3b..3d753b7dc 100644
--- a/src/mainwindow.ui
+++ b/src/mainwindow.ui
@@ -115,12 +115,6 @@
    <property name="orientation">
     <enum>Qt::Horizontal</enum>
    </property>
-   <property name="iconSize">
-    <size>
-     <width>32</width>
-     <height>32</height>
-    </size>
-   </property>
    <property name="floatable">
     <bool>false</bool>
    </property>