diff --git a/src/x64/codegen-x64.cc b/src/x64/codegen-x64.cc
index 6c696c4584..f292f7d251 100644
--- a/src/x64/codegen-x64.cc
+++ b/src/x64/codegen-x64.cc
@@ -422,7 +422,7 @@ void ElementsTransitionGenerator::GenerateDoubleToObject(
   // Non-hole double, copy value into a heap number.
   __ AllocateHeapNumber(rax, r15, &gc_required);
   // rax: new heap number
-  __ MoveDouble(FieldOperand(rax, HeapNumber::kValueOffset), r14);
+  __ movq(FieldOperand(rax, HeapNumber::kValueOffset), r14);
   __ movp(FieldOperand(r11,
                        r9,
                        times_pointer_size,
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 55571beb1e..ff9caa527c 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -3417,10 +3417,10 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) {
   __ LoadFromSafepointRegisterSlot(input_reg, input_reg);
 
   __ bind(&allocated);
-  __ MoveDouble(tmp2, FieldOperand(input_reg, HeapNumber::kValueOffset));
+  __ movq(tmp2, FieldOperand(input_reg, HeapNumber::kValueOffset));
   __ shl(tmp2, Immediate(1));
   __ shr(tmp2, Immediate(1));
-  __ MoveDouble(FieldOperand(tmp, HeapNumber::kValueOffset), tmp2);
+  __ movq(FieldOperand(tmp, HeapNumber::kValueOffset), tmp2);
   __ StoreToSafepointRegisterSlot(input_reg, tmp);
 
   __ bind(&done);
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index c3fd782e54..42245aa808 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -841,9 +841,6 @@ class MacroAssembler: public Assembler {
   void Pop(Register dst) { pop(dst); }
   void PushReturnAddressFrom(Register src) { push(src); }
   void PopReturnAddressTo(Register dst) { pop(dst); }
-  void MoveDouble(Register dst, const Operand& src) { movq(dst, src); }
-  void MoveDouble(const Operand& dst, Register src) { movq(dst, src); }
-
   void Move(Register dst, ExternalReference ext) {
     movp(dst, reinterpret_cast<Address>(ext.address()),
          RelocInfo::EXTERNAL_REFERENCE);