diff --git a/reactos/base/applications/osk/CMakeLists.txt b/reactos/base/applications/osk/CMakeLists.txt
index 1a145032cc0..654136255a9 100644
--- a/reactos/base/applications/osk/CMakeLists.txt
+++ b/reactos/base/applications/osk/CMakeLists.txt
@@ -1,10 +1,5 @@
 
-list(APPEND SOURCE
-    main.c
-    osk.h)
-
-add_executable(osk ${SOURCE} rsrc.rc)
+add_executable(osk main.c rsrc.rc)
 set_module_type(osk win32gui UNICODE)
 add_importlibs(osk comdlg32 shell32 user32 gdi32 advapi32 comctl32 msvcrt kernel32)
-add_pch(osk osk.h SOURCE)
 add_cd_file(TARGET osk DESTINATION reactos/system32 FOR all)