diff --git a/platform/CMakeLists.txt b/platform/CMakeLists.txt
index c2203da..d9daadb 100644
--- a/platform/CMakeLists.txt
+++ b/platform/CMakeLists.txt
@@ -94,7 +94,6 @@ elseif(APPLE)
     target_sources(skeldal PRIVATE
         linux/app_start.cpp
     )
-    target_compile_definitions(mylib PRIVATE PLATFORM_MACOS)
     if(STEAM_ENABLED)
         set(STEAMLIB ${STEAMWORKS_SDK_DIR}/redistributable_bin/osx/libsteam_api.dylib)
     endif()