diff --git a/lib/Runtime/Language/JavascriptStackWalker.cpp b/lib/Runtime/Language/JavascriptStackWalker.cpp
index 0cca32bb44e..d0678cc4082 100644
--- a/lib/Runtime/Language/JavascriptStackWalker.cpp
+++ b/lib/Runtime/Language/JavascriptStackWalker.cpp
@@ -300,7 +300,11 @@ namespace Js
     {
         if (this->IsJavascriptFrame())
         {
-            if (this->interpreterFrame && this->lastInternalFrameInfo.codeAddress == nullptr)
+            if (this->interpreterFrame
+#if ENABLE_NATIVE_CODEGEN
+                && this->lastInternalFrameInfo.codeAddress == nullptr
+#endif
+                )
             {
                 uint32 offset = this->interpreterFrame->GetReader()->GetCurrentOffset();
                 if (offset == 0)
@@ -754,10 +758,12 @@ namespace Js
 
     bool JavascriptStackWalker::CheckJavascriptFrame(bool includeInlineFrames)
     {
+#if ENABLE_NATIVE_CODEGEN
         if (this->lastInternalFrameInfo.frameConsumed)
         {
             ClearCachedInternalFrameInfo();
         }
+#endif
 
         this->isNativeLibraryFrame = false; // Clear previous result
 
@@ -795,7 +801,8 @@ namespace Js
 
             this->tempInterpreterFrame = this->interpreterFrame->GetPreviousFrame();
 
-#if DBG && ENABLE_NATIVE_CODEGEN
+#if ENABLE_NATIVE_CODEGEN
+#if DBG
             if (((CallInfo const *)&argv[JavascriptFunctionArgIndex_CallInfo])->Flags & CallFlags_InternalFrame)
             {
                 // The return address of the interpreterFrame is the same as the entryPoint for a jitted loop body.
@@ -807,7 +814,7 @@ namespace Js
                     true /*fromBailout*/, this->tempInterpreterFrame->GetCurrentLoopNum(), this, true /*noAlloc*/));
                 tmpFrameWalker.Close();
             }
-#endif
+#endif //DBG
 
             if (!this->interpreterFrame->IsCurrentLoopNativeAddr(this->lastInternalFrameInfo.codeAddress))
             {
@@ -818,6 +825,7 @@ namespace Js
                 Assert(this->lastInternalFrameInfo.codeAddress);
                 this->lastInternalFrameInfo.frameConsumed = true;
             }
+#endif //ENABLE_NATIVE_CODEGEN
 
             return true;
         }
@@ -1010,6 +1018,7 @@ namespace Js
         return this->GetCurrentArgv()[JavascriptFunctionArgIndex_This];
     }
 
+#if ENABLE_NATIVE_CODEGEN
     void JavascriptStackWalker::ClearCachedInternalFrameInfo()
     {
         this->lastInternalFrameInfo.Clear();
@@ -1023,6 +1032,7 @@ namespace Js
         }
         this->lastInternalFrameInfo.loopBodyFrameType = loopBodyFrameType;
     }
+#endif
 
     bool JavascriptStackWalker::IsCurrentPhysicalFrameForLoopBody() const
     {
diff --git a/lib/Runtime/Language/JavascriptStackWalker.h b/lib/Runtime/Language/JavascriptStackWalker.h
index ad8fe9d96a1..1fb9efd2358 100644
--- a/lib/Runtime/Language/JavascriptStackWalker.h
+++ b/lib/Runtime/Language/JavascriptStackWalker.h
@@ -226,7 +226,9 @@ namespace Js
 
         void ClearCachedInternalFrameInfo();
         void SetCachedInternalFrameInfo(InternalFrameType frameType, InternalFrameType loopBodyFrameType);
+#if ENABLE_NATIVE_CODEGEN
         InternalFrameInfo GetCachedInternalFrameInfo() const { return this->lastInternalFrameInfo; }
+#endif
         bool IsCurrentPhysicalFrameForLoopBody() const;
 
         // noinline, we want to use own stack frame.
@@ -326,9 +328,9 @@ namespace Js
         void SetCurrentArgumentsObject(Var args);
         Var GetCurrentNativeArgumentsObject() const;
         void SetCurrentNativeArgumentsObject(Var args);
-
+#if ENABLE_NATIVE_CODEGEN
         InternalFrameInfo lastInternalFrameInfo;
-
+#endif
         mutable StackFrame currentFrame;
 
         Js::JavascriptFunction * UpdateFrame(bool includeInlineFrames);