diff --git a/src/ic/arm64/ic-arm64.cc b/src/ic/arm64/ic-arm64.cc
index eb933c7..726a68e 100644
--- a/src/ic/arm64/ic-arm64.cc
+++ b/src/ic/arm64/ic-arm64.cc
@@ -164,8 +164,7 @@
 static void GenerateFastArrayLoad(MacroAssembler* masm, Register receiver,
                                   Register key, Register elements,
                                   Register scratch1, Register scratch2,
-                                  Register result, Label* slow,
-                                  LanguageMode language_mode) {
+                                  Register result, Label* slow) {
   DCHECK(!AreAliased(receiver, key, elements, scratch1, scratch2));
 
   Label check_prototypes, check_next_prototype;
@@ -203,13 +202,8 @@
   __ B(&check_next_prototype);
 
   __ Bind(&absent);
-  if (is_strong(language_mode)) {
-    // Strong mode accesses must throw in this case, so call the runtime.
-    __ B(slow);
-  } else {
-    __ LoadRoot(result, Heap::kUndefinedValueRootIndex);
-    __ B(&done);
-  }
+  __ LoadRoot(result, Heap::kUndefinedValueRootIndex);
+  __ B(&done);
 
   __ Bind(&in_bounds);
   // Fast case: Do the load.
@@ -260,8 +254,7 @@
   // Fall through if the key is a unique name.
 }
 
-
-void LoadIC::GenerateNormal(MacroAssembler* masm, LanguageMode language_mode) {
+void LoadIC::GenerateNormal(MacroAssembler* masm) {
   Register dictionary = x0;
   DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister()));
   DCHECK(!dictionary.is(LoadDescriptor::NameRegister()));
@@ -275,7 +268,7 @@
 
   // Dictionary load failed, go slow (but don't miss).
   __ Bind(&slow);
-  GenerateRuntimeGetProperty(masm, language_mode);
+  GenerateRuntimeGetProperty(masm);
 }
 
 
@@ -286,7 +279,7 @@
 
   DCHECK(!AreAliased(x4, x5, LoadWithVectorDescriptor::SlotRegister(),
                      LoadWithVectorDescriptor::VectorRegister()));
-  __ IncrementCounter(isolate->counters()->load_miss(), 1, x4, x5);
+  __ IncrementCounter(isolate->counters()->ic_load_miss(), 1, x4, x5);
 
   // Perform tail call to the entry.
   __ Push(LoadWithVectorDescriptor::ReceiverRegister(),
@@ -296,15 +289,12 @@
   __ TailCallRuntime(Runtime::kLoadIC_Miss);
 }
 
-
-void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm,
-                                        LanguageMode language_mode) {
+void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
   __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
 
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(is_strong(language_mode) ? Runtime::kGetPropertyStrong
-                                              : Runtime::kGetProperty);
+  __ TailCallRuntime(Runtime::kGetProperty);
 }
 
 
@@ -314,7 +304,7 @@
 
   DCHECK(!AreAliased(x10, x11, LoadWithVectorDescriptor::SlotRegister(),
                      LoadWithVectorDescriptor::VectorRegister()));
-  __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, x10, x11);
+  __ IncrementCounter(isolate->counters()->ic_keyed_load_miss(), 1, x10, x11);
 
   __ Push(LoadWithVectorDescriptor::ReceiverRegister(),
           LoadWithVectorDescriptor::NameRegister(),
@@ -325,24 +315,19 @@
   __ TailCallRuntime(Runtime::kKeyedLoadIC_Miss);
 }
 
-
-void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm,
-                                             LanguageMode language_mode) {
+void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
   __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
 
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(is_strong(language_mode) ? Runtime::kKeyedGetPropertyStrong
-                                              : Runtime::kKeyedGetProperty);
+  __ TailCallRuntime(Runtime::kKeyedGetProperty);
 }
 
-
 static void GenerateKeyedLoadWithSmiKey(MacroAssembler* masm, Register key,
                                         Register receiver, Register scratch1,
                                         Register scratch2, Register scratch3,
                                         Register scratch4, Register scratch5,
-                                        Label* slow,
-                                        LanguageMode language_mode) {
+                                        Label* slow) {
   DCHECK(!AreAliased(key, receiver, scratch1, scratch2, scratch3, scratch4,
                      scratch5));
 
@@ -358,8 +343,8 @@
   __ CheckFastElements(scratch1, scratch2, &check_number_dictionary);
 
   GenerateFastArrayLoad(masm, receiver, key, scratch3, scratch2, scratch1,
-                        result, slow, language_mode);
-  __ IncrementCounter(isolate->counters()->keyed_load_generic_smi(), 1,
+                        result, slow);
+  __ IncrementCounter(isolate->counters()->ic_keyed_load_generic_smi(), 1,
                       scratch1, scratch2);
   __ Ret();
 
@@ -424,14 +409,12 @@
   GenerateGlobalInstanceTypeCheck(masm, scratch1, slow);
   // Load the property.
   GenerateDictionaryLoad(masm, slow, scratch2, key, result, scratch1, scratch3);
-  __ IncrementCounter(isolate->counters()->keyed_load_generic_symbol(), 1,
+  __ IncrementCounter(isolate->counters()->ic_keyed_load_generic_symbol(), 1,
                       scratch1, scratch2);
   __ Ret();
 }
 
-
-void KeyedLoadIC::GenerateMegamorphic(MacroAssembler* masm,
-                                      LanguageMode language_mode) {
+void KeyedLoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // The return address is in lr.
   Label slow, check_name, index_smi, index_name;
 
@@ -444,14 +427,13 @@
   __ Bind(&index_smi);
   // Now the key is known to be a smi. This place is also jumped to from below
   // where a numeric string is converted to a smi.
-  GenerateKeyedLoadWithSmiKey(masm, key, receiver, x7, x3, x4, x5, x6, &slow,
-                              language_mode);
+  GenerateKeyedLoadWithSmiKey(masm, key, receiver, x7, x3, x4, x5, x6, &slow);
 
   // Slow case.
   __ Bind(&slow);
-  __ IncrementCounter(masm->isolate()->counters()->keyed_load_generic_slow(), 1,
-                      x4, x3);
-  GenerateRuntimeGetProperty(masm, language_mode);
+  __ IncrementCounter(masm->isolate()->counters()->ic_keyed_load_generic_slow(),
+                      1, x4, x3);
+  GenerateRuntimeGetProperty(masm);
 
   __ Bind(&check_name);
   GenerateKeyNameCheck(masm, key, x0, x3, &index_name, &slow);
@@ -783,12 +765,12 @@
 
   GenerateDictionaryStore(masm, &miss, dictionary, name, value, x6, x7);
   Counters* counters = masm->isolate()->counters();
-  __ IncrementCounter(counters->store_normal_hit(), 1, x6, x7);
+  __ IncrementCounter(counters->ic_store_normal_hit(), 1, x6, x7);
   __ Ret();
 
   // Cache miss: Jump to runtime.
   __ Bind(&miss);
-  __ IncrementCounter(counters->store_normal_miss(), 1, x6, x7);
+  __ IncrementCounter(counters->ic_store_normal_miss(), 1, x6, x7);
   GenerateMiss(masm);
 }