diff --git a/src/mac/app.cpp b/src/mac/app.cpp
index 9fd758b3a0..b09fd3b848 100644
--- a/src/mac/app.cpp
+++ b/src/mac/app.cpp
@@ -944,10 +944,6 @@ wxApp::wxApp()
   m_topWindow = NULL;
   wxTheApp = this;
 
-#if WXWIN_COMPATIBILITY_2_2
-  m_wantDebugOutput = TRUE;
-#endif
-
   argc = 0;
   argv = NULL;
 
diff --git a/src/mac/carbon/app.cpp b/src/mac/carbon/app.cpp
index 9fd758b3a0..b09fd3b848 100644
--- a/src/mac/carbon/app.cpp
+++ b/src/mac/carbon/app.cpp
@@ -944,10 +944,6 @@ wxApp::wxApp()
   m_topWindow = NULL;
   wxTheApp = this;
 
-#if WXWIN_COMPATIBILITY_2_2
-  m_wantDebugOutput = TRUE;
-#endif
-
   argc = 0;
   argv = NULL;