diff --git a/include/wx/os2/app.h b/include/wx/os2/app.h
index d003b78ae9..1a202d9937 100644
--- a/include/wx/os2/app.h
+++ b/include/wx/os2/app.h
@@ -89,9 +89,6 @@ public:
     virtual bool ProcessMessage(WXMSG* pMsg);
     void         DeletePendingObjects(void);
     bool         ProcessIdle(void);
-#if wxUSE_THREADS
-    void         ProcessPendingEvents(void);
-#endif
 
 public:
     int                             m_nCmdShow;
diff --git a/src/os2/app.cpp b/src/os2/app.cpp
index 9fd52c76b7..6855dedd13 100644
--- a/src/os2/app.cpp
+++ b/src/os2/app.cpp
@@ -975,13 +975,15 @@ void wxWakeUpIdle()
     }
 } // end of wxWakeUpIdle
 
-HINSTANCE wxGetInstance()
+HAB wxGetInstance()
 {
-    return wxhInstance;
+    return vHabmain;
 }
 
-void wxSetInstance(HINSTANCE hInst)
+void wxSetInstance(
+  HAB                               vHab
+)
 {
-    wxhInstance = hInst;
+    vHabmain = vHab;
 }