diff --git a/compiler/optimizing/optimizing_compiler.h b/compiler/optimizing/optimizing_compiler.h
index d8bd11c..cd6d684 100644
--- a/compiler/optimizing/optimizing_compiler.h
+++ b/compiler/optimizing/optimizing_compiler.h
@@ -18,10 +18,9 @@
 #define ART_COMPILER_OPTIMIZING_OPTIMIZING_COMPILER_H_
 
 #include "base/globals.h"
-#include "base/macros.h"
 #include "base/mutex.h"
 
-namespace art HIDDEN {
+namespace art {
 
 class ArtMethod;
 class Compiler;