diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index 8028fb927..54b5ed255 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -1778,6 +1778,7 @@
   <!-- Override macros which don't necessarily require semicolons at the end -->
   <define name="WXUNUSED(n)" value=""/>
   <define name="WXDLLIMPEXP_FWD_CORE" value=""/>
+  <define name="WXDLLIMPEXP_CORE" value=""/>
   <define name="wxDEPRECATED_CONSTRUCTOR(ctor)" value=""/>
   <define name="wxDECLARE_APP(MyApp)" value="extern appname&amp; wxGetApp()"/>
   <define name="DECLARE_CLASS(n)" value=""/>
@@ -1786,6 +1787,7 @@
   <define name="IMPLEMENT_DYNAMIC_CLASS(n,b)" value=""/>
   <define name="IMPLEMENT_ABSTRACT_CLASS(n,b)" value=""/>
   <define name="DECLARE_EVENT_TYPE(name, value)" value=""/>
+  <define name="WX_DECLARE_STRING_HASH_MAP(name, value)" value=""/>
   <define name="DECLARE_LOCAL_EVENT_TYPE(name, value)" value=""/>
   <define name="DEFINE_EVENT_TYPE(name)" value=""/>
   <define name="DEFINE_LOCAL_EVENT_TYPE(name)" value=""/>
@@ -1813,8 +1815,6 @@
   <define name="wxASSERT_LEVEL_2" value="assert"/>
   <!-- #define wxASSERT_LEVEL_2_MSG(condition, message) -->
   <define name="wxASSERT_LEVEL_2_MSG" value="assert"/>
-  <!-- http://docs.wxwidgets.org/trunk/defs_8h.html -->
-  <define name="wxOVERRIDE" value="override"/>
   <!-- Standard menu IDs  -->
   <define name="wxID_AUTO_LOWEST" value="-32000"/>
   <define name="wxID_AUTO_HIGHEST" value="-2000"/>
@@ -2459,6 +2459,7 @@
   <define name="wxArtClient" value="wxString"/>
   <define name="wxArtID" value="wxString"/>
   <define name="wxNullPtr" value="nullptr"/>
+  <define name="wxDash" value="wxInt8"/>
   <define name="wxChar" value="char"/>
   <define name="wxSChar" value="signed char"/>
   <define name="wxUChar" value="unsigned char"/>