diff --git a/FL/mac.H b/FL/mac.H
index 1bb407317..573ebe936 100644
--- a/FL/mac.H
+++ b/FL/mac.H
@@ -138,9 +138,6 @@ extern Window fl_window;
 
 #endif // FL_LIBRARY || FL_INTERNALS
 
-#ifndef MAC_OS_X_VERSION_10_3
-#define MAC_OS_X_VERSION_10_3 1030
-#endif
 #ifndef MAC_OS_X_VERSION_10_4
 #define MAC_OS_X_VERSION_10_4 1040
 #endif
diff --git a/src/Fl_Native_File_Chooser_MAC.mm b/src/Fl_Native_File_Chooser_MAC.mm
index c7e6e35ac..2aa48c2bf 100644
--- a/src/Fl_Native_File_Chooser_MAC.mm
+++ b/src/Fl_Native_File_Chooser_MAC.mm
@@ -30,6 +30,7 @@
 
 
 #include <FL/Fl.H>
+#include <FL/x.H>
 #include <FL/Fl_Native_File_Chooser.H>
 #include <FL/Fl_File_Chooser.H>
 #include <FL/filename.H>
@@ -340,9 +341,6 @@ int Fl_Native_File_Chooser::filters() const {
 
 #import <Cocoa/Cocoa.h>
 #define UNLIKELYPREFIX "___fl_very_unlikely_prefix_"
-#ifndef MAC_OS_X_VERSION_10_6
-#define MAC_OS_X_VERSION_10_6 1060
-#endif
 
 int Fl_Native_File_Chooser::get_saveas_basename(void) {
   char *q = strdup( [[(NSSavePanel*)_panel filename] fileSystemRepresentation] );