diff --git a/src/compiler/bytecode-graph-builder.h b/src/compiler/bytecode-graph-builder.h
index c842c24..66cd96e 100644
--- a/src/compiler/bytecode-graph-builder.h
+++ b/src/compiler/bytecode-graph-builder.h
@@ -112,11 +112,12 @@
 
   void BuildCreateLiteral(const Operator* op);
   void BuildCreateArguments(CreateArgumentsType type);
-  void BuildLoadGlobal(TypeofMode typeof_mode);
+  Node* BuildLoadContextSlot();
+  Node* BuildLoadGlobal(TypeofMode typeof_mode);
   void BuildStoreGlobal(LanguageMode language_mode);
-  void BuildNamedLoad();
-  void BuildKeyedLoad();
+  Node* BuildNamedLoad();
   void BuildNamedStore(LanguageMode language_mode);
+  Node* BuildKeyedLoad();
   void BuildKeyedStore(LanguageMode language_mode);
   void BuildLdaLookupSlot(TypeofMode typeof_mode);
   void BuildStaLookupSlot(LanguageMode language_mode);
@@ -218,10 +219,6 @@
   const BytecodeBranchAnalysis* branch_analysis_;
   Environment* environment_;
 
-  // Indicates whether deoptimization support is enabled for this compilation
-  // and whether valid frame states need to be attached to deoptimizing nodes.
-  bool deoptimization_enabled_;
-
   // Merge environments are snapshots of the environment at points where the
   // control flow merges. This models a forward data flow propagation of all
   // values from all predecessors of the merge in question.