diff --git a/reactos/CMakeLists.txt b/reactos/CMakeLists.txt
index 905972d11e0..152d0c05686 100644
--- a/reactos/CMakeLists.txt
+++ b/reactos/CMakeLists.txt
@@ -142,7 +142,7 @@ else()
         add_definitions(-D_WINKD_=1)
     endif()
 
-    if(CMAKE_VERSION STREQUAL "2.8.12.1-ReactOS" AND NOT ENABLE_CCACHE)
+    if(CMAKE_VERSION STREQUAL "2.8.12.1-ReactOS")
         set(PCH 1 CACHE BOOL "Whether to use precompiled headers")
     else()
         set(PCH 0 CACHE BOOL "Whether to use precompiled headers")
diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index 45c38009e3d..8117cf3f401 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -366,7 +366,7 @@ endmacro()
 set(PSEH_LIB "pseh")
 
 # Macros
-if(PCH)
+if(PCH AND (NOT ENABLE_CCACHE))
     add_compile_flags("-Winvalid-pch -Werror=invalid-pch")
     macro(add_pch _target _pch _sources)
         # When including x.h GCC looks for x.h.gch first
@@ -388,10 +388,6 @@ if(PCH)
             EXTERNAL_SOURCE TRUE
             OBJECT_LOCATION ${_gch})
 
-        if(ENABLE_CCACHE)
-            set(_ccache_flag "-fpch-preprocess")
-        endif()
-
         # Include the gch in the specified source files, skipping the pch file itself
         list(REMOVE_ITEM ${_sources} ${_pch})
         foreach(_src ${${_sources}})