diff --git a/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp b/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp
index 346fa66a662a..48c5b0b2f4b7 100644
--- a/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp
@@ -37,10 +37,6 @@
 using namespace clang;
 using namespace tidy;
 
-#ifdef LLVM_CLANG_AST_ATTR_H
-//#error
-#endif
-
 namespace {
 class ClangTidyDiagnosticRenderer : public DiagnosticRenderer {
 public: