diff --git a/AboutDialog.ui b/AboutDialog.ui
index 9ceda3c..883ed7f 100755
--- a/AboutDialog.ui
+++ b/AboutDialog.ui
@@ -76,8 +76,7 @@ Copyright © <a href="https://github.com/Syping/">Syping
         <string>&amp;Close</string>
        </property>
        <property name="icon">
-        <iconset theme="dialog-close">
-         <normaloff>.</normaloff>.</iconset>
+        <iconset theme="dialog-close"/>
        </property>
       </widget>
      </item>
diff --git a/OptionsDialog.ui b/OptionsDialog.ui
index 29aa577..c83a658 100755
--- a/OptionsDialog.ui
+++ b/OptionsDialog.ui
@@ -443,8 +443,7 @@
         <string extracomment="OK, Cancel, Apply">&amp;OK</string>
        </property>
        <property name="icon">
-        <iconset theme="dialog-ok">
-         <normaloff>.</normaloff>.</iconset>
+        <iconset theme="dialog-ok"/>
        </property>
       </widget>
      </item>
@@ -460,8 +459,7 @@
         <string extracomment="OK, Cancel, Apply">&amp;Cancel</string>
        </property>
        <property name="icon">
-        <iconset theme="dialog-cancel">
-         <normaloff>.</normaloff>.</iconset>
+        <iconset theme="dialog-cancel"/>
        </property>
       </widget>
      </item>
diff --git a/UserInterface.ui b/UserInterface.ui
index e7b474b..b2f835f 100755
--- a/UserInterface.ui
+++ b/UserInterface.ui
@@ -147,8 +147,7 @@
              <string>&amp;Close</string>
             </property>
             <property name="icon">
-             <iconset theme="dialog-close">
-              <normaloff>.</normaloff>.</iconset>
+             <iconset theme="dialog-close"/>
             </property>
             <property name="autoDefault">
              <bool>true</bool>