diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index f5615d8dd..5fce20848 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -6548,9 +6548,7 @@
   <function name="wxControl::SetLabel,wxButton::SetLabel,wxRadioBox::SetLabel,wxStaticBox::SetLabel">
     <noreturn>false</noreturn>
     <leak-ignore/>
-    <arg nr="1" direction="in">
-      <not-uninit/>
-    </arg>
+    <arg nr="1" direction="in"/>
   </function>
   <!-- http://docs.wxwidgets.org/trunk/classwx_colour.html -->
   <!-- virtual unsigned char Alpha () const -->