diff --git a/CMakeLists.txt b/CMakeLists.txt
index fff35a53e..6baff8a0a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1051,7 +1051,6 @@ elseif(APPLE)
 
   if(SDL_AUDIO)
     set(SDL_AUDIO_DRIVER_COREAUDIO 1)
-    set(MACOSX_COREAUDIO 1)
     file(GLOB AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/coreaudio/*.c)
     set(SOURCE_FILES ${SOURCE_FILES} ${AUDIO_SOURCES})
     set(HAVE_SDL_AUDIO TRUE)