diff --git a/compiler/optimizing/find_loops_test.cc b/compiler/optimizing/find_loops_test.cc
index 75b8e96..8d8c3a1 100644
--- a/compiler/optimizing/find_loops_test.cc
+++ b/compiler/optimizing/find_loops_test.cc
@@ -15,6 +15,7 @@
  */
 
 #include "base/arena_allocator.h"
+#include "base/macros.h"
 #include "builder.h"
 #include "dex/dex_file.h"
 #include "dex/dex_instruction.h"
@@ -25,7 +26,7 @@
 
 #include "gtest/gtest.h"
 
-namespace art {
+namespace art HIDDEN {
 
 class FindLoopsTest : public OptimizingUnitTest {};