diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index 6ea66a5..0d82487 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -42,8 +42,6 @@
 
  private:
   const int32_t value_;
-
-  DISALLOW_COPY_AND_ASSIGN(Immediate);
 };
 
 
@@ -441,6 +439,7 @@
 
   void AddImmediate(Register reg, const Immediate& imm);
 
+  void LoadLongConstant(XmmRegister dst, int64_t value);
   void LoadDoubleConstant(XmmRegister dst, double value);
 
   void DoubleNegate(XmmRegister d);