diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index e34b8238c..468079f4a 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -7097,7 +7097,33 @@
     <returnValue type="wxArchitecture"/>
     <warn severity="style">This function is deprecated, use 'wxPlatformInfo::GetBitness()' instead.</warn>
   </function>
-    <!-- void wxMenuBar::SetLabelTop(int id, const wxString &label) -->
+  <!-- virtual size_t wxMBConv::MB2WC ( wchar_t * out, const char * in, size_t outLen) const -->
+  <function name="wwxMBConv::MB2WC">
+    <noreturn>false</noreturn>
+    <const/>
+    <leak-ignore/>
+    <returnValue type="size_t"/>
+    <arg nr="1" direction="out"/>
+    <arg nr="2" direction="in"/>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+    <warn severity="style">This function is deprecated, please use 'ToWChar()' instead.</warn>
+  </function>
+  <!-- virtual size_t wxMBConv::WC2MB( char * buf, const wchar_t * psz, size_t n ) const -->
+  <function name="wwxMBConv::WC2MB">
+    <noreturn>false</noreturn>
+    <const/>
+    <leak-ignore/>
+    <returnValue type="size_t"/>
+    <arg nr="1" direction="out"/>
+    <arg nr="2" direction="in"/>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+    <warn severity="style">This function is deprecated, please use 'FromWChar()' instead.</warn>
+  </function>
+  <!-- void wxMenuBar::SetLabelTop(int id, const wxString &label) -->
   <function name="wxMenuBar::SetLabelTop">
     <noreturn>false</noreturn>
     <leak-ignore/>