diff --git a/lib/Comments/CMakeLists.txt b/lib/Comments/CMakeLists.txt
index f9561c6..db4ca73 100644
--- a/lib/Comments/CMakeLists.txt
+++ b/lib/Comments/CMakeLists.txt
@@ -1,7 +1,6 @@
 set(LLVM_USED_LIBS clangBasic clangAST clangLex)
 
 add_clang_library(clangComments
-  CommentLexer.cpp
   RawCommentList.cpp
   )