diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index de8e19a5fd..993f79c7f0 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -1776,8 +1776,7 @@ class HEnvironmentMarker V8_FINAL : public HTemplateInstruction<1> {
  public:
   enum Kind { BIND, LOOKUP };
 
-  HEnvironmentMarker(Kind kind, int index)
-      : kind_(kind), index_(index), next_simulate_(NULL) { }
+  DECLARE_INSTRUCTION_FACTORY_P2(HEnvironmentMarker, Kind, int);
 
   Kind kind() { return kind_; }
   int index() { return index_; }
@@ -1804,6 +1803,9 @@ class HEnvironmentMarker V8_FINAL : public HTemplateInstruction<1> {
   DECLARE_CONCRETE_INSTRUCTION(EnvironmentMarker);
 
  private:
+  HEnvironmentMarker(Kind kind, int index)
+      : kind_(kind), index_(index), next_simulate_(NULL) { }
+
   Kind kind_;
   int index_;
   HSimulate* next_simulate_;
diff --git a/src/hydrogen.h b/src/hydrogen.h
index edd92807de..e671692b3c 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1948,7 +1948,7 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
     env->Bind(index, value);
     if (IsEligibleForEnvironmentLivenessAnalysis(var, index, value, env)) {
       HEnvironmentMarker* bind =
-          new(zone()) HEnvironmentMarker(HEnvironmentMarker::BIND, index);
+          New<HEnvironmentMarker>(HEnvironmentMarker::BIND, index);
       AddInstruction(bind);
 #ifdef DEBUG
       bind->set_closure(env->closure());
@@ -1961,7 +1961,7 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
     HValue* value = env->Lookup(index);
     if (IsEligibleForEnvironmentLivenessAnalysis(var, index, value, env)) {
       HEnvironmentMarker* lookup =
-          new(zone()) HEnvironmentMarker(HEnvironmentMarker::LOOKUP, index);
+          New<HEnvironmentMarker>(HEnvironmentMarker::LOOKUP, index);
       AddInstruction(lookup);
 #ifdef DEBUG
       lookup->set_closure(env->closure());