diff --git a/src/macosx/stella.xcodeproj/project.pbxproj b/src/macosx/stella.xcodeproj/project.pbxproj
index 4fd34027f..67989e38c 100644
--- a/src/macosx/stella.xcodeproj/project.pbxproj
+++ b/src/macosx/stella.xcodeproj/project.pbxproj
@@ -2820,7 +2820,6 @@
 					DEBUGGER_SUPPORT,
 					JOYSTICK_SUPPORT,
 					SOUND_SUPPORT,
-					THUMB_SUPPORT,
 					WINDOWED_SUPPORT,
 					BSPF_MAC_OSX,
 					MAC_OSX,
@@ -2873,7 +2872,6 @@
 					DEBUGGER_SUPPORT,
 					JOYSTICK_SUPPORT,
 					SOUND_SUPPORT,
-					THUMB_SUPPORT,
 					WINDOWED_SUPPORT,
 					BSPF_MAC_OSX,
 					MAC_OSX,