1 files changed, 2 insertions, 3 deletions
diff --git a/clang-tools-extra/clang-tidy/performance/ImplicitCastInLoopCheck.cpp b/clang-tools-extra/clang-tidy/performance/ImplicitCastInLoopCheck.cpp
index 04dadfbfad6..3fcfdba5033 100644
--- a/clang-tools-extra/clang-tidy/performance/ImplicitCastInLoopCheck.cpp
+++ b/clang-tools-extra/clang-tidy/performance/ImplicitCastInLoopCheck.cpp
@@ -15,10 +15,9 @@
 #include "clang/ASTMatchers/ASTMatchers.h"
 #include "clang/Lex/Lexer.h"
 
-namespace clang {
-
-using namespace ast_matchers;
+using namespace clang::ast_matchers;
 
+namespace clang {
 namespace tidy {
 namespace performance {