diff --git a/compiler/optimizing/code_generator_utils.cc b/compiler/optimizing/code_generator_utils.cc
index abec264..9980592 100644
--- a/compiler/optimizing/code_generator_utils.cc
+++ b/compiler/optimizing/code_generator_utils.cc
@@ -20,7 +20,7 @@
 
 #include "nodes.h"
 
-namespace art {
+namespace art HIDDEN {
 
 void CalculateMagicAndShiftForDivRem(int64_t divisor, bool is_long,
                                      int64_t* magic, int* shift) {