diff --git a/src/heap.cc b/src/heap.cc
index cad5d1d1c1..de12d3fa9a 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -839,6 +839,7 @@ void Heap::ScavengeObject(HeapObject** p, HeapObject* object) {
 
 
 static inline bool IsShortcutCandidate(HeapObject* object, Map* map) {
+  STATIC_ASSERT(kNotStringTag != 0 && kSymbolTag != 0);
   ASSERT(object->map() == map);
   InstanceType type = map->instance_type();
   if ((type & kShortcutTypeMask) != kShortcutTypeTag) return false;
diff --git a/src/objects.h b/src/objects.h
index 3a1cd7ec58..ade282be69 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -447,7 +447,6 @@ enum StringRepresentationTag {
 // symbol. It's not common to have non-flat symbols, so we do not
 // shortcut them thereby avoiding turning symbols into strings. See
 // heap.cc and mark-compact.cc.
-STATIC_ASSERT(kNotStringTag != 0 && kSymbolTag != 0);
 const uint32_t kShortcutTypeMask =
     kIsNotStringMask |
     kIsSymbolMask |