diff --git a/.eslintrc.js b/.eslintrc.js
index 22c1edcf2a..d1ba80edfc 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -50,6 +50,10 @@ module.exports = {
         'array-callback-return': 'error',
         'no-template-curly-in-string': 'error',
         'prefer-template': 'error',
+        'no-param-reassign': 'error',
+        '@typescript-eslint/prefer-for-of': 'error',
+        'prefer-arrow-callback': 'error',
+        'no-var': 'error',
         eqeqeq: 'error',
         ...temporarilyDisabledRules
     }
diff --git a/examples/motoko_examples/minimal-counter-dapp/src/minimal_dapp_assets/src/index.js b/examples/motoko_examples/minimal-counter-dapp/src/minimal_dapp_assets/src/index.js
index e6424d7301..b8a7fe9ce7 100644
--- a/examples/motoko_examples/minimal-counter-dapp/src/minimal_dapp_assets/src/index.js
+++ b/examples/motoko_examples/minimal-counter-dapp/src/minimal_dapp_assets/src/index.js
@@ -1,6 +1,6 @@
 import { minimal_dapp } from '../../declarations/minimal_dapp';
 
-document.addEventListener('DOMContentLoaded', async function () {
+document.addEventListener('DOMContentLoaded', async () => {
     const counter = await minimal_dapp.getCount();
     document.getElementById('counter').innerText = `Counter: ${counter}`;
 });
diff --git a/src/lib/globals.ts b/src/lib/globals.ts
index 3d1b9318d3..631e0fb364 100644
--- a/src/lib/globals.ts
+++ b/src/lib/globals.ts
@@ -114,9 +114,7 @@ if (globalThis._azleInsideCanister) {
                 instantiatedSource.instance.exports
             );
 
-            for (let i = 0; i < exportEntries.length; i++) {
-                const [key, value] = exportEntries[i];
-
+            for (const [key, value] of exportEntries) {
                 if (typeof value === 'function') {
                     instantiatedSource.instance.exports[key] = value.bind({
                         instanceUuid: uuid,
diff --git a/test/index.ts b/test/index.ts
index 967238034b..a35dbf1761 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -34,9 +34,7 @@ export async function runTests(
     tests: Test[],
     exitProcess: boolean = true
 ): Promise<boolean> {
-    for (let i = 0; i < tests.length; i++) {
-        const test = tests[i];
-
+    for (const test of tests) {
         try {
             if (test.skip === true) {
                 console.log(`Skipping: ${test.name}`);