diff --git a/include/wx/debug.h b/include/wx/debug.h
index 8a8530d97c..1bc8d5e1ea 100644
--- a/include/wx/debug.h
+++ b/include/wx/debug.h
@@ -437,10 +437,9 @@ template<int x> struct static_assert_test{};
 /*
     Return true if we're running under debugger.
 
-    Currently this only really works under Win32 and Mac in CodeWarrior builds,
-    it always returns false in other cases.
+    Currently only really works under Win32 and just returns false elsewhere.
  */
-#if defined(__WXMAC__) || defined(__WIN32__)
+#if defined(__WIN32__)
     extern bool WXDLLIMPEXP_BASE wxIsDebuggerRunning();
 #else // !Mac
     inline bool wxIsDebuggerRunning() { return false; }
diff --git a/src/osx/core/utilsexc_base.cpp b/src/osx/core/utilsexc_base.cpp
index 84f8a0e3a3..7235975012 100644
--- a/src/osx/core/utilsexc_base.cpp
+++ b/src/osx/core/utilsexc_base.cpp
@@ -54,12 +54,6 @@ extern WXDLLIMPEXP_BASE wxSocketManager *wxOSXSocketManagerCF;
 wxSocketManager *wxOSXSocketManagerCF = NULL;
 #endif // wxUSE_SOCKETS
 
-extern bool WXDLLEXPORT wxIsDebuggerRunning()
-{
-    // TODO : try to find out ...
-    return false;
-}
-
 #if ( !wxUSE_GUI && !wxOSX_USE_IPHONE ) || wxOSX_USE_COCOA_OR_CARBON
 
 // have a fast version for mac code that returns the version as a return value