diff --git a/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj b/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj
index ec3f4e8a..b9eb7180 100644
--- a/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj
+++ b/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj
@@ -1399,7 +1399,6 @@
 					"DEBUG=1",
 					"USE_SDL_AUDIO=1",
 					"BINCUE=1",
-					"OSX_CORE_AUDIO=1",
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_USE_STANDARD_INCLUDE_SEARCHING = YES;
@@ -1458,7 +1457,6 @@
 					HAVE_CONFIG_H,
 					"USE_XCODE=1",
 					"USE_SDL_AUDIO=1",
-					"OSX_CORE_AUDIO=1",
 					"BINCUE=1",
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;