diff --git a/src/crankshaft/x87/lithium-x87.h b/src/crankshaft/x87/lithium-x87.h
index 0f2813f..d83322a 100644
--- a/src/crankshaft/x87/lithium-x87.h
+++ b/src/crankshaft/x87/lithium-x87.h
@@ -33,9 +33,7 @@
   V(BitI)                                    \
   V(BoundsCheck)                             \
   V(Branch)                                  \
-  V(CallJSFunction)                          \
   V(CallWithDescriptor)                      \
-  V(CallFunction)                            \
   V(CallNewArray)                            \
   V(CallRuntime)                             \
   V(CheckArrayBufferNotNeutered)             \
@@ -136,7 +134,6 @@
   V(StackCheck)                              \
   V(StoreCodeEntry)                          \
   V(StoreContextSlot)                        \
-  V(StoreFrameContext)                       \
   V(StoreKeyed)                              \
   V(StoreKeyedGeneric)                       \
   V(StoreNamedField)                         \
@@ -148,7 +145,6 @@
   V(SubI)                                    \
   V(TaggedToI)                               \
   V(ThisFunction)                            \
-  V(ToFastProperties)                        \
   V(TransitionElementsKind)                  \
   V(TrapAllocationMemento)                   \
   V(Typeof)                                  \
@@ -229,6 +225,13 @@
   void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); }
   bool IsCall() const { return IsCallBits::decode(bit_field_); }
 
+  void MarkAsSyntacticTailCall() {
+    bit_field_ = IsSyntacticTailCallBits::update(bit_field_, true);
+  }
+  bool IsSyntacticTailCall() const {
+    return IsSyntacticTailCallBits::decode(bit_field_);
+  }
+
   // Interface to the register allocator and iterators.
   bool ClobbersTemps() const { return IsCall(); }
   bool ClobbersRegisters() const { return IsCall(); }
@@ -267,6 +270,8 @@
   virtual LOperand* TempAt(int i) = 0;
 
   class IsCallBits: public BitField<bool, 0, 1> {};
+  class IsSyntacticTailCallBits : public BitField<bool, IsCallBits::kNext, 1> {
+  };
 
   LEnvironment* environment_;
   SetOncePointer<LPointerMap> pointer_map_;
@@ -555,6 +560,7 @@
   LOperand* elements() { return inputs_[3]; }
 
   DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")
+  DECLARE_HYDROGEN_ACCESSOR(ApplyArguments)
 };
 
 
@@ -1735,23 +1741,6 @@
 };
 
 
-class LCallJSFunction final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallJSFunction(LOperand* function) {
-    inputs_[0] = function;
-  }
-
-  LOperand* function() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
-  DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
 class LCallWithDescriptor final : public LTemplateResultInstruction<1> {
  public:
   LCallWithDescriptor(CallInterfaceDescriptor descriptor,
@@ -1810,29 +1799,6 @@
 };
 
 
-class LCallFunction final : public LTemplateInstruction<1, 2, 2> {
- public:
-  LCallFunction(LOperand* context, LOperand* function, LOperand* slot,
-                LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = function;
-    temps_[0] = slot;
-    temps_[1] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* function() { return inputs_[1]; }
-  LOperand* temp_slot() { return temps_[0]; }
-  LOperand* temp_vector() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
-  DECLARE_HYDROGEN_ACCESSOR(CallFunction)
-
-  void PrintDataTo(StringStream* stream) override;
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
 class LCallNewArray final : public LTemplateInstruction<1, 2, 0> {
  public:
   LCallNewArray(LOperand* context, LOperand* constructor) {
@@ -2433,19 +2399,6 @@
 };
 
 
-class LToFastProperties final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LToFastProperties(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
-  DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
-};
-
-
 class LTypeof final : public LTemplateInstruction<1, 2, 0> {
  public:
   LTypeof(LOperand* context, LOperand* value) {
@@ -2560,18 +2513,6 @@
 };
 
 
-class LStoreFrameContext: public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LStoreFrameContext(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreFrameContext, "store-frame-context")
-};
-
-
 class LChunkBuilder;
 class LPlatformChunk final : public LChunk {
  public: