diff --git a/src/common/image.cpp b/src/common/image.cpp
index 5f61154db2..c563e42248 100644
--- a/src/common/image.cpp
+++ b/src/common/image.cpp
@@ -674,7 +674,9 @@ void wxImage::CleanUpHandlers()
         wxImageHandler *handler = (wxImageHandler *)node->Data();
         wxNode *next = node->Next();
         delete handler;
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
         delete node;
+#endif
         node = next;
     }
 }
diff --git a/src/common/list.cpp b/src/common/list.cpp
index 971dca379c..c2d8de9c1b 100644
--- a/src/common/list.cpp
+++ b/src/common/list.cpp
@@ -373,7 +373,9 @@ void wxListBase::DoDeleteNode(wxNodeBase *node)
 
     // so that the node knows that it's being deleted by the list
     node->m_list = NULL;
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     delete node;
+#endif
 }
 
 wxNodeBase *wxListBase::DetachNode(wxNodeBase *node)
@@ -532,7 +534,9 @@ void wxListBase::Sort(const wxSortCompareFunction compfunc)
 
 void wxObjectListNode::DeleteData()
 {
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     delete (wxObject *)GetData();
+#endif
 }
 
 // -----------------------------------------------------------------------------
diff --git a/src/common/object.cpp b/src/common/object.cpp
index 00dfc6aa72..19bfac0eab 100644
--- a/src/common/object.cpp
+++ b/src/common/object.cpp
@@ -363,7 +363,10 @@ void wxObject::UnRef()
         wxASSERT_MSG( m_refData->m_count > 0, _T("invalid ref data count") );
 
         if ( !--m_refData->m_count )
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
+// Until we figure this out
             delete m_refData;
+#endif
         m_refData = (wxObjectRefData *) NULL;
     }
 }
diff --git a/src/os2/app.cpp b/src/os2/app.cpp
index b187737fea..1bc4e217ef 100644
--- a/src/os2/app.cpp
+++ b/src/os2/app.cpp
@@ -309,7 +309,9 @@ void wxApp::CleanUp()
     //
     // This will flush the old messages if any
     //
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     delete wxLog::SetActiveTarget(new wxLogStderr);
+#endif
 #endif // wxUSE_LOG
 
     //
@@ -368,7 +370,9 @@ void wxApp::CleanUp()
 
     delete wxPendingEvents;
 #if wxUSE_THREADS
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     delete wxPendingEventsLocker;
+#endif
     // If we don't do the following, we get an apparent memory leak.
     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
 #endif
@@ -398,7 +402,9 @@ void wxApp::CleanUp()
 
 #if wxUSE_LOG
     // do it as the very last thing because everything else can log messages
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     delete wxLog::SetActiveTarget(NULL);
+#endif
 #endif // wxUSE_LOG
 } // end of wxApp::CleanUp
 
diff --git a/src/os2/frame.cpp b/src/os2/frame.cpp
index 75f927fb07..9bafc33bff 100644
--- a/src/os2/frame.cpp
+++ b/src/os2/frame.cpp
@@ -862,8 +862,8 @@ bool wxFrame::OS2Create(
                              ,0L
                              ,0L
                              ,0L
-                             ,NULLHANDLE
-                             ,HWND_TOP
+                             ,m_hFrame
+                             ,HWND_BOTTOM
                              ,(unsigned long)FID_CLIENT
                              ,NULL
                              ,NULL
diff --git a/src/os2/gdiimage.cpp b/src/os2/gdiimage.cpp
index d4357d6331..321e61e1c1 100644
--- a/src/os2/gdiimage.cpp
+++ b/src/os2/gdiimage.cpp
@@ -335,7 +335,9 @@ void wxGDIImage::CleanUpHandlers()
         wxNode*                     pNext    = pNode->Next();
 
         delete pHandler;
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
         delete pNode;
+#endif
         pNode = pNext;
     }
 }
diff --git a/src/os2/menu.cpp b/src/os2/menu.cpp
index 24f4846a87..f318a20c76 100644
--- a/src/os2/menu.cpp
+++ b/src/os2/menu.cpp
@@ -73,7 +73,7 @@ static wxString TextToLabel(const wxString& rTitle)
                 pc++;
                 Title << wxT('&');
             }
-            else 
+            else
                 Title << wxT('~');
         }
 //         else if (*pc == wxT('/'))
@@ -169,7 +169,9 @@ wxMenu::~wxMenu()
     //
     // Delete accels
     //
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     WX_CLEAR_ARRAY(m_vAccels);
+#endif
 #endif // wxUSE_ACCEL
 } // end of wxMenu::~wxMenu
 
@@ -710,10 +712,12 @@ WXHMENU wxMenuBar::Create()
             ERRORID                 vError;
             wxString                sError;
             MENUITEM                vItem;
+            HWND                    hSubMenu;
 
             //
             // Set the parent and owner of the submenues to be the menubar, not the desktop
             //
+            hSubMenu = m_menus[i]->m_vMenuData.hwndSubMenu;
             if (!::WinSetParent(m_menus[i]->m_vMenuData.hwndSubMenu, hMenuBar, FALSE))
             {
                 vError = ::WinGetLastError(vHabmain);
diff --git a/src/os2/thread.cpp b/src/os2/thread.cpp
index ac5b0d56ca..94de24c7cd 100644
--- a/src/os2/thread.cpp
+++ b/src/os2/thread.cpp
@@ -746,11 +746,15 @@ void wxThreadModule::OnExit()
     if (gs_pCritsectGui)
     {
         gs_pCritsectGui->Leave();
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
         delete gs_pCritsectGui;
+#endif
         gs_pCritsectGui = NULL;
     }
 
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     wxDELETE(gs_pCritsectWaitingForGui);
+#endif
 }
 
 // ----------------------------------------------------------------------------
diff --git a/src/os2/window.cpp b/src/os2/window.cpp
index bc2904e728..d62acedc44 100644
--- a/src/os2/window.cpp
+++ b/src/os2/window.cpp
@@ -1954,7 +1954,6 @@ MRESULT wxWindow::OS2WindowProc(
                 bProcessed = HandleMouseEvent(uMsg, x, y, (WXUINT)wParam);
             }
             break;
-
         case WM_SYSCOMMAND:
             bProcessed = HandleSysCommand(wParam, lParam);
             break;