1 files changed, 0 insertions, 46 deletions
diff --git a/deps/v8/src/builtins/builtins-symbol.cc b/deps/v8/src/builtins/builtins-symbol.cc
index f57d0bffd9..77bb09d0f7 100644
--- a/deps/v8/src/builtins/builtins-symbol.cc
+++ b/deps/v8/src/builtins/builtins-symbol.cc
@@ -4,7 +4,6 @@
 
 #include "src/builtins/builtins-utils.h"
 #include "src/builtins/builtins.h"
-#include "src/code-stub-assembler.h"
 #include "src/counters.h"
 #include "src/objects-inl.h"
 
@@ -67,50 +66,5 @@ BUILTIN(SymbolKeyFor) {
   return result;
 }
 
-// ES6 section 19.4.3.4 Symbol.prototype [ @@toPrimitive ] ( hint )
-void Builtins::Generate_SymbolPrototypeToPrimitive(
-    compiler::CodeAssemblerState* state) {
-  typedef compiler::Node Node;
-  CodeStubAssembler assembler(state);
-
-  Node* receiver = assembler.Parameter(0);
-  Node* context = assembler.Parameter(4);
-
-  Node* result =
-      assembler.ToThisValue(context, receiver, PrimitiveType::kSymbol,
-                            "Symbol.prototype [ @@toPrimitive ]");
-  assembler.Return(result);
-}
-
-// ES6 section 19.4.3.2 Symbol.prototype.toString ( )
-void Builtins::Generate_SymbolPrototypeToString(
-    compiler::CodeAssemblerState* state) {
-  typedef compiler::Node Node;
-  CodeStubAssembler assembler(state);
-
-  Node* receiver = assembler.Parameter(0);
-  Node* context = assembler.Parameter(3);
-
-  Node* value = assembler.ToThisValue(context, receiver, PrimitiveType::kSymbol,
-                                      "Symbol.prototype.toString");
-  Node* result =
-      assembler.CallRuntime(Runtime::kSymbolDescriptiveString, context, value);
-  assembler.Return(result);
-}
-
-// ES6 section 19.4.3.3 Symbol.prototype.valueOf ( )
-void Builtins::Generate_SymbolPrototypeValueOf(
-    compiler::CodeAssemblerState* state) {
-  typedef compiler::Node Node;
-  CodeStubAssembler assembler(state);
-
-  Node* receiver = assembler.Parameter(0);
-  Node* context = assembler.Parameter(3);
-
-  Node* result = assembler.ToThisValue(
-      context, receiver, PrimitiveType::kSymbol, "Symbol.prototype.valueOf");
-  assembler.Return(result);
-}
-
 }  // namespace internal
 }  // namespace v8