diff --git a/libcxx/src/CMakeLists.txt b/libcxx/src/CMakeLists.txt
index 6d60fa11bf1d2..41ab8cad5b7da 100644
--- a/libcxx/src/CMakeLists.txt
+++ b/libcxx/src/CMakeLists.txt
@@ -1,5 +1,3 @@
-set(LIBCXX_LIB_CMAKEFILES_DIR "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}"  PARENT_SCOPE)
-
 # Get sources
 set(LIBCXX_SOURCES
   algorithm.cpp