diff --git a/node_modules/ember-this-fallback/lib/this-fallback-plugin.js b/node_modules/ember-this-fallback/lib/this-fallback-plugin.js
index a8ee337..9b144de 100644
--- a/node_modules/ember-this-fallback/lib/this-fallback-plugin.js
+++ b/node_modules/ember-this-fallback/lib/this-fallback-plugin.js
@@ -60,9 +60,15 @@ class ThisFallbackPlugin {
     handleBlock() {
         return {
             enter: (node) => {
+                if (this.env.strictMode) {
+                  return;
+                }
                 this.scopeStack.push(node.blockParams);
             },
             exit: () => {
+                if (this.env.strictMode) {
+                  return;
+                }
                 this.scopeStack.pop();
             },
         };
@@ -70,6 +76,9 @@ class ThisFallbackPlugin {
     handleAttrNodes() {
         return {
             enter: (elementNode, elementPath) => {
+                if (this.env.strictMode) {
+                  return;
+                }
                 const ambiguousHeads = new Map();
                 const blockParamName = (0, scope_stack_1.unusedNameLike)('maybeHelpers', this.scopeStack);
                 for (const attrNode of elementNode.attributes) {
@@ -119,6 +128,9 @@ class ThisFallbackPlugin {
         return {
             keys: {
                 params: (node) => {
+                    if (this.env.strictMode) {
+                      return;
+                    }
                     const { scopeStack } = this;
                     node.params = node.params.map((expr) => {
                         if ((0, fallback_1.needsFallback)(expr, scopeStack)) {
@@ -131,6 +143,9 @@ class ThisFallbackPlugin {
                     });
                 },
                 hash: (node) => {
+                    if (this.env.strictMode) {
+                      return;
+                    }
                     const { scopeStack } = this;
                     node.hash.pairs = node.hash.pairs.map((pair) => {
                         const { key, value: expr, loc } = pair;
@@ -149,6 +164,9 @@ class ThisFallbackPlugin {
     handleMustache() {
         return {
             enter: (node, path) => {
+                if (this.env.strictMode) {
+                  return;
+                }
                 // Alias node to n so that the type of `node` doesn't get narrowed,
                 // which prevents mutation
                 const n = node;
@@ -174,9 +192,15 @@ class ThisFallbackPlugin {
     handleTemplate() {
         return {
             enter: (node) => {
+                if (this.env.strictMode) {
+                  return;
+                }
                 this.logger.debug("before: '%s'", (0, string_1.squish)((0, syntax_1.print)(node)));
             },
             exit: (node, path) => {
+                if (this.env.strictMode) {
+                  return;
+                }
                 this.logger.debug("after_: '%s'", (0, string_1.squish)((0, syntax_1.print)(node)));
                 if (this.scopeStack.size !== 1) {
                     throw new Error(`unbalanced ScopeStack push and pop, ScopeStack size is ${this.scopeStack.size}`);