diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
index 771280b0..d3da17fc 100644
--- a/runtime/CMakeLists.txt
+++ b/runtime/CMakeLists.txt
@@ -347,5 +347,4 @@ if(PHOBOS2_DIR)
     install(FILES     ${PHOBOS2_DIR}/crc32.d                           DESTINATION ${INCLUDE_INSTALL_DIR})
 endif(PHOBOS2_DIR)
 install(FILES         ${RUNTIME_DIR}/import/object.di                  DESTINATION ${INCLUDE_INSTALL_DIR}/ldc)
-install(FILES         ${RUNTIME_DIR}/src/ldc/bitop.d                   DESTINATION ${INCLUDE_INSTALL_DIR}/core)
 install(DIRECTORY     ${RUNTIME_DIR}/import/ldc                        DESTINATION ${INCLUDE_INSTALL_DIR} FILES_MATCHING PATTERN "*.di")