diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 12cc499a77..db50616b61 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -613,11 +613,6 @@ class FloatingPointHelper : public AllStatic {
                                      BinaryOpIC::TypeInfo right_type,
                                      Label* operand_conversion_failure);
 
-  // Assumes that operands are smis or heap numbers and loads them
-  // into xmm0 and xmm1. Operands are in edx and eax.
-  // Leaves operands unchanged.
-  static void LoadSSE2Operands(MacroAssembler* masm);
-
   // Test if operands are numbers (smi or HeapNumber objects), and load
   // them into xmm0 and xmm1 if they are.  Jump to label not_numbers if
   // either operand is not a number.  Operands are in edx and eax.
@@ -2461,33 +2456,6 @@ void FloatingPointHelper::LoadFloatOperand(MacroAssembler* masm,
 }
 
 
-void FloatingPointHelper::LoadSSE2Operands(MacroAssembler* masm) {
-  Label load_smi_edx, load_eax, load_smi_eax, done;
-  // Load operand in edx into xmm0.
-  __ JumpIfSmi(edx, &load_smi_edx, Label::kNear);
-  __ movdbl(xmm0, FieldOperand(edx, HeapNumber::kValueOffset));
-
-  __ bind(&load_eax);
-  // Load operand in eax into xmm1.
-  __ JumpIfSmi(eax, &load_smi_eax, Label::kNear);
-  __ movdbl(xmm1, FieldOperand(eax, HeapNumber::kValueOffset));
-  __ jmp(&done, Label::kNear);
-
-  __ bind(&load_smi_edx);
-  __ SmiUntag(edx);  // Untag smi before converting to float.
-  __ cvtsi2sd(xmm0, edx);
-  __ SmiTag(edx);  // Retag smi for heap number overwriting test.
-  __ jmp(&load_eax);
-
-  __ bind(&load_smi_eax);
-  __ SmiUntag(eax);  // Untag smi before converting to float.
-  __ cvtsi2sd(xmm1, eax);
-  __ SmiTag(eax);  // Retag smi for heap number overwriting test.
-
-  __ bind(&done);
-}
-
-
 void FloatingPointHelper::LoadSSE2Operands(MacroAssembler* masm,
                                            Label* not_numbers) {
   Label load_smi_edx, load_eax, load_smi_eax, load_float_eax, done;
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index ad33a8c631..41507d158d 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -560,7 +560,6 @@ class FloatingPointHelper : public AllStatic {
   // Leaves rdx and rax unchanged.  SmiOperands assumes both are smis.
   // NumberOperands assumes both are smis or heap numbers.
   static void LoadSSE2SmiOperands(MacroAssembler* masm);
-  static void LoadSSE2NumberOperands(MacroAssembler* masm);
   static void LoadSSE2UnknownOperands(MacroAssembler* masm,
                                       Label* not_numbers);
 
@@ -569,9 +568,6 @@ class FloatingPointHelper : public AllStatic {
   static void LoadAsIntegers(MacroAssembler* masm,
                              Label* operand_conversion_failure,
                              Register heap_number_map);
-  // As above, but we know the operands to be numbers. In that case,
-  // conversion can't fail.
-  static void LoadNumbersAsIntegers(MacroAssembler* masm);
 
   // Tries to convert two values to smis losslessly.
   // This fails if either argument is not a Smi nor a HeapNumber,
@@ -1546,40 +1542,6 @@ void TranscendentalCacheStub::GenerateOperation(
 }
 
 
-// Input: rdx, rax are the left and right objects of a bit op.
-// Output: rax, rcx are left and right integers for a bit op.
-void FloatingPointHelper::LoadNumbersAsIntegers(MacroAssembler* masm) {
-  // Check float operands.
-  Label done;
-  Label rax_is_smi;
-  Label rax_is_object;
-  Label rdx_is_object;
-
-  __ JumpIfNotSmi(rdx, &rdx_is_object);
-  __ SmiToInteger32(rdx, rdx);
-  __ JumpIfSmi(rax, &rax_is_smi);
-
-  __ bind(&rax_is_object);
-  DoubleToIStub stub1(rax, rcx, HeapNumber::kValueOffset - kHeapObjectTag,
-                     true);
-  __ call(stub1.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
-
-  __ jmp(&done);
-
-  __ bind(&rdx_is_object);
-  DoubleToIStub stub2(rdx, rdx, HeapNumber::kValueOffset - kHeapObjectTag,
-                     true);
-  __ call(stub1.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
-  __ JumpIfNotSmi(rax, &rax_is_object);
-
-  __ bind(&rax_is_smi);
-  __ SmiToInteger32(rcx, rax);
-
-  __ bind(&done);
-  __ movl(rax, rdx);
-}
-
-
 // Input: rdx, rax are the left and right objects of a bit op.
 // Output: rax, rcx are left and right integers for a bit op.
 // Jump to conversion_failure: rdx and rax are unchanged.
@@ -1645,30 +1607,6 @@ void FloatingPointHelper::LoadSSE2SmiOperands(MacroAssembler* masm) {
 }
 
 
-void FloatingPointHelper::LoadSSE2NumberOperands(MacroAssembler* masm) {
-  Label load_smi_rdx, load_nonsmi_rax, load_smi_rax, done;
-  // Load operand in rdx into xmm0.
-  __ JumpIfSmi(rdx, &load_smi_rdx);
-  __ movsd(xmm0, FieldOperand(rdx, HeapNumber::kValueOffset));
-  // Load operand in rax into xmm1.
-  __ JumpIfSmi(rax, &load_smi_rax);
-  __ bind(&load_nonsmi_rax);
-  __ movsd(xmm1, FieldOperand(rax, HeapNumber::kValueOffset));
-  __ jmp(&done);
-
-  __ bind(&load_smi_rdx);
-  __ SmiToInteger32(kScratchRegister, rdx);
-  __ cvtlsi2sd(xmm0, kScratchRegister);
-  __ JumpIfNotSmi(rax, &load_nonsmi_rax);
-
-  __ bind(&load_smi_rax);
-  __ SmiToInteger32(kScratchRegister, rax);
-  __ cvtlsi2sd(xmm1, kScratchRegister);
-
-  __ bind(&done);
-}
-
-
 void FloatingPointHelper::LoadSSE2UnknownOperands(MacroAssembler* masm,
                                                   Label* not_numbers) {
   Label load_smi_rdx, load_nonsmi_rax, load_smi_rax, load_float_rax, done;