diff --git a/src/mac/carbon/utils.cpp b/src/mac/carbon/utils.cpp
index bdaab9b20c..916b83725d 100644
--- a/src/mac/carbon/utils.cpp
+++ b/src/mac/carbon/utils.cpp
@@ -1228,6 +1228,10 @@ void wxMacConvertNewlines10To13( wxChar * data )
 // Common Event Support
 // ----------------------------------------------------------------------------
 
+#endif // wxUSE_GUI
+
+#if wxUSE_BASE
+
 extern ProcessSerialNumber gAppProcess ;
 
 void wxMacWakeUp()
@@ -1258,6 +1262,11 @@ void wxMacWakeUp()
     }
 }
 
+#endif // wxUSE_BASE
+
+#if wxUSE_GUI
+
+
 // ----------------------------------------------------------------------------
 // Carbon Event Support
 // ----------------------------------------------------------------------------