diff --git a/runtime/gc/allocator/rosalloc.h b/runtime/gc/allocator/rosalloc.h
index 431686a..3269e10 100644
--- a/runtime/gc/allocator/rosalloc.h
+++ b/runtime/gc/allocator/rosalloc.h
@@ -414,8 +414,7 @@
 
   // We use thread-local runs for the size Brackets whose indexes
   // are less than this index. We use shared (current) runs for the rest.
-
-  static const size_t kNumThreadLocalSizeBrackets = 11;
+  static const size_t kNumThreadLocalSizeBrackets = 8;
 
  private:
   // The base address of the memory region that's managed by this allocator.