diff --git a/src/platformheaders/CMakeLists.txt b/src/platformheaders/CMakeLists.txt
index 89daf134105..bbbd1b76b56 100644
--- a/src/platformheaders/CMakeLists.txt
+++ b/src/platformheaders/CMakeLists.txt
@@ -2,11 +2,9 @@
 
 # special case begin
 
-# FIXME Add the rest of the stuff
+# FIXME Add the rest of the stuff? I don't think any other stuff is needed?
 
-add_qt_module(PlatformHeaders)
-
-extend_target(PlatformHeaders CONDITION APPLE SOURCES cocoafunctions/qcocoawindowfunctions.h)
+add_qt_module(PlatformHeaders HEADER_MODULE)
 
 add_qt_docs(PlatformHeaders
     doc/qtplatformheaders.qdocconf