diff --git a/CMakeLists.txt b/CMakeLists.txt
index aaf6e9cb9a7..e436c1c757c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,9 +101,6 @@ else( MSVC )
     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
 endif( MSVC )
 
-set(CLANG_RESOURCE_DIR "" CACHE STRING
-  "Relative directory from the Clang binary to its resource files.")
-
 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
 if(LLVM_ENABLE_CBE_PRINTF_A)
   set(ENABLE_CBE_PRINTF_A 1)
@@ -118,9 +115,6 @@ option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpret
 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
 
-set(C_INCLUDE_DIRS "" CACHE STRING
-  "Colon separated list of directories clang will search for headers.")
-
 set(LLVM_TARGET_ARCH "host"
   CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
 
diff --git a/include/llvm/Config/config.h.cmake b/include/llvm/Config/config.h.cmake
index a088c7cbae5..12e10ce5327 100644
--- a/include/llvm/Config/config.h.cmake
+++ b/include/llvm/Config/config.h.cmake
@@ -5,24 +5,6 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
-/* Relative directory for resource files */
-#define CLANG_RESOURCE_DIR "${CLANG_RESOURCE_DIR}"
-
-/* 32 bit multilib directory. */
-#define CXX_INCLUDE_32BIT_DIR "${CXX_INCLUDE_32BIT_DIR}"
-
-/* 64 bit multilib directory. */
-#define CXX_INCLUDE_64BIT_DIR "${CXX_INCLUDE_64BIT_DIR}"
-
-/* Arch the libstdc++ headers. */
-#define CXX_INCLUDE_ARCH "${CXX_INCLUDE_ARCH}"
-
-/* Directory with the libstdc++ headers. */
-#define CXX_INCLUDE_ROOT "${CXX_INCLUDE_ROOT}"
-
-/* Directories clang will search for headers */
-#define C_INCLUDE_DIRS "${C_INCLUDE_DIRS}"
-
 /* Define if CBE is enabled for printf %a output */
 #cmakedefine ENABLE_CBE_PRINTF_A ${ENABLE_CBE_PRINTF_A}