diff --git a/compiler/optimizing/intrinsics_x86.cc b/compiler/optimizing/intrinsics_x86.cc
index 011fc1a..5a622ca 100644
--- a/compiler/optimizing/intrinsics_x86.cc
+++ b/compiler/optimizing/intrinsics_x86.cc
@@ -36,7 +36,7 @@
 #include "utils/x86/assembler_x86.h"
 #include "utils/x86/constants_x86.h"
 
-namespace art HIDDEN {
+namespace art {
 
 namespace x86 {