diff --git a/src/coreclr/jit/compiler.h b/src/coreclr/jit/compiler.h
index 7d79862592ffe0..57d279ac1ad00e 100644
--- a/src/coreclr/jit/compiler.h
+++ b/src/coreclr/jit/compiler.h
@@ -5310,7 +5310,6 @@ class Compiler
         fgWalkPostFn* wtpoVisitorFn;
         void*         pCallbackData; // user-provided data
         GenTree*      parent;        // parent of current node, provided to callback
-        GenTreeStack* parentStack;   // stack of parent nodes, if asked for
         bool          wtprLclsOnly;  // whether to only visit lclvar nodes
 #ifdef DEBUG
         bool printModified; // callback can use this
@@ -10988,14 +10987,14 @@ class GenTreeVisitor
     }
 };
 
-template <bool computeStack, bool doPreOrder, bool doPostOrder, bool doLclVarsOnly, bool useExecutionOrder>
+template <bool doPreOrder, bool doPostOrder, bool doLclVarsOnly, bool useExecutionOrder>
 class GenericTreeWalker final
-    : public GenTreeVisitor<GenericTreeWalker<computeStack, doPreOrder, doPostOrder, doLclVarsOnly, useExecutionOrder>>
+    : public GenTreeVisitor<GenericTreeWalker<doPreOrder, doPostOrder, doLclVarsOnly, useExecutionOrder>>
 {
 public:
     enum
     {
-        ComputeStack      = computeStack,
+        ComputeStack      = false,
         DoPreOrder        = doPreOrder,
         DoPostOrder       = doPostOrder,
         DoLclVarsOnly     = doLclVarsOnly,
@@ -11007,16 +11006,11 @@ class GenericTreeWalker final
 
 public:
     GenericTreeWalker(Compiler::fgWalkData* walkData)
-        : GenTreeVisitor<GenericTreeWalker<computeStack, doPreOrder, doPostOrder, doLclVarsOnly, useExecutionOrder>>(
+        : GenTreeVisitor<GenericTreeWalker<doPreOrder, doPostOrder, doLclVarsOnly, useExecutionOrder>>(
               walkData->compiler)
         , m_walkData(walkData)
     {
         assert(walkData != nullptr);
-
-        if (computeStack)
-        {
-            walkData->parentStack = &this->m_ancestors;
-        }
     }
 
     Compiler::fgWalkResult PreOrderVisit(GenTree** use, GenTree* user)
diff --git a/src/coreclr/jit/compiler.hpp b/src/coreclr/jit/compiler.hpp
index 21551a7fcce113..e610096100f253 100644
--- a/src/coreclr/jit/compiler.hpp
+++ b/src/coreclr/jit/compiler.hpp
@@ -2546,22 +2546,22 @@ inline Compiler::fgWalkResult Compiler::fgWalkTreePre(
     fgWalkResult result;
     if (lclVarsOnly && computeStack)
     {
-        GenericTreeWalker<true, true, false, true, true> walker(&walkData);
+        GenericTreeWalker<true, false, true, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
     else if (lclVarsOnly)
     {
-        GenericTreeWalker<false, true, false, true, true> walker(&walkData);
+        GenericTreeWalker<true, false, true, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
     else if (computeStack)
     {
-        GenericTreeWalker<true, true, false, false, true> walker(&walkData);
+        GenericTreeWalker<true, false, false, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
     else
     {
-        GenericTreeWalker<false, true, false, false, true> walker(&walkData);
+        GenericTreeWalker<true, false, false, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
 
@@ -2601,12 +2601,12 @@ inline Compiler::fgWalkResult Compiler::fgWalkTreePost(GenTree**     pTree,
     fgWalkResult result;
     if (computeStack)
     {
-        GenericTreeWalker<true, false, true, false, true> walker(&walkData);
+        GenericTreeWalker<false, true, false, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
     else
     {
-        GenericTreeWalker<false, false, true, false, true> walker(&walkData);
+        GenericTreeWalker<false, true, false, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
 
@@ -2649,17 +2649,17 @@ inline Compiler::fgWalkResult Compiler::fgWalkTree(GenTree**    pTree,
 
     if (preVisitor && postVisitor)
     {
-        GenericTreeWalker<true, true, true, false, true> walker(&walkData);
+        GenericTreeWalker<true, true, false, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
     else if (preVisitor)
     {
-        GenericTreeWalker<true, true, false, false, true> walker(&walkData);
+        GenericTreeWalker<true, false, false, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }
     else
     {
-        GenericTreeWalker<true, false, true, false, true> walker(&walkData);
+        GenericTreeWalker<false, true, false, true> walker(&walkData);
         result = walker.WalkTree(pTree, nullptr);
     }