diff --git a/compiler/optimizing/code_generator_x86.h b/compiler/optimizing/code_generator_x86.h
index 22d8778..c267f76 100644
--- a/compiler/optimizing/code_generator_x86.h
+++ b/compiler/optimizing/code_generator_x86.h
@@ -647,6 +647,9 @@
     }
   }
 
+  void IncreaseFrame(size_t adjustment) override;
+  void DecreaseFrame(size_t adjustment) override;
+
   void GenerateNop() override;
   void GenerateImplicitNullCheck(HNullCheck* instruction) override;
   void GenerateExplicitNullCheck(HNullCheck* instruction) override;