diff --git a/.github/workflows/add-push-artifacts.yml b/.github/workflows/add-push-artifacts.yml
index 7d352fbab583f0..f7ccb4b2c72839 100644
--- a/.github/workflows/add-push-artifacts.yml
+++ b/.github/workflows/add-push-artifacts.yml
@@ -19,8 +19,8 @@ jobs:
           node-version-file: ".nvmrc"
           cache: npm
       - run: npm ci
-      - run: node --loader=ts-node/esm --no-warnings=ExperimentalWarning ./scripts/enumerate-features.ts features.json
-      - run: node --loader=ts-node/esm --no-warnings=ExperimentalWarning ./scripts/diff-features.ts --no-github --format=json > features.diff.json
+      - run: npx tsx --no-warnings=ExperimentalWarning ./scripts/enumerate-features.ts features.json
+      - run: npx tsx --no-warnings=ExperimentalWarning ./scripts/diff-features.ts --no-github --format=json > features.diff.json
       - uses: actions/upload-artifact@v4
         with:
           name: enumerate-features
diff --git a/.github/workflows/update-browser-releases.yml b/.github/workflows/update-browser-releases.yml
index 34dfb95cb3ddcb..031fbebff66182 100644
--- a/.github/workflows/update-browser-releases.yml
+++ b/.github/workflows/update-browser-releases.yml
@@ -26,7 +26,7 @@ jobs:
           node-version-file: ".nvmrc"
           cache: npm
       - run: npm install -D typescript
-      - run: npm install -D ts-node
+      - run: npm install -D tsx
       - name: Run update-browser-releases script
         id: ubr
         run: |
diff --git a/.mocharc.json b/.mocharc.json
index 9dc4aac9fe2a1d..262ba0c7d7612f 100644
--- a/.mocharc.json
+++ b/.mocharc.json
@@ -1,4 +1,3 @@
 {
-  "loader": "ts-node/esm",
   "extensions": ["ts", "tsx"]
 }
diff --git a/package.json b/package.json
index cac533450bae22..99731e537e84a6 100644
--- a/package.json
+++ b/package.json
@@ -96,25 +96,25 @@
   },
   "scripts": {
     "postinstall": "(git rev-parse --is-inside-work-tree && npm run save-git-history) || echo 'not in Git worktree; skipping save-git-history'",
-    "save-git-history": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/save-git-history.ts",
+    "save-git-history": "tsx --no-warnings=ExperimentalWarning scripts/save-git-history.ts",
     "prepare": "(husky || true) && npm run gentypes && npm run build",
-    "diff": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/diff.ts",
-    "unittest": "NODE_ENV=test c8 mocha index.test.ts --recursive \"{,!(node_modules)/**}/*.test.ts\"",
+    "diff": "tsx --no-warnings=ExperimentalWarning scripts/diff.ts",
+    "unittest": "NODE_ENV=test c8 mocha index.test.ts --require tsx  --recursive \"{,!(node_modules)/**}/*.test.ts\"",
     "coverage": "c8 report -r lcov && open-cli coverage/lcov-report/index.html",
     "format": "eslint . && prettier --check . && tsc --noEmit",
     "format:fix": "eslint --quiet --fix . && prettier --write .",
-    "lint": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning lint/lint.ts",
-    "lint:fix": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning lint/fix.ts",
+    "lint": "tsx --no-warnings=ExperimentalWarning lint/lint.ts",
+    "lint:fix": "tsx --no-warnings=ExperimentalWarning lint/fix.ts",
     "fix": "npm run format:fix && npm run lint:fix",
-    "stats": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/statistics.ts",
-    "build": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/build/index.ts",
-    "gentypes": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/generate-types.ts",
-    "release": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/release/index.ts",
-    "remove-redundant-flags": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/remove-redundant-flags.ts",
+    "stats": "tsx --no-warnings=ExperimentalWarning scripts/statistics.ts",
+    "build": "tsx --no-warnings=ExperimentalWarning scripts/build/index.ts",
+    "gentypes": "tsx --no-warnings=ExperimentalWarning scripts/generate-types.ts",
+    "release": "tsx --no-warnings=ExperimentalWarning scripts/release/index.ts",
+    "remove-redundant-flags": "tsx --no-warnings=ExperimentalWarning scripts/remove-redundant-flags.ts",
     "show-errors": "npm test 1> /dev/null",
     "test": "npm run format && npm run lint && npm run unittest",
-    "traverse": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/traverse.ts",
-    "update-browser-releases": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/update-browser-releases/index.ts",
-    "bcd": "node --loader=ts-node/esm --no-warnings=ExperimentalWarning scripts/bulk-editor/index.ts"
+    "traverse": "tsx --no-warnings=ExperimentalWarning scripts/traverse.ts",
+    "update-browser-releases": "tsx --no-warnings=ExperimentalWarning scripts/update-browser-releases/index.ts",
+    "bcd": "tsx --no-warnings=ExperimentalWarning scripts/bulk-editor/index.ts"
   }
 }
diff --git a/scripts/diff-features.ts b/scripts/diff-features.ts
index e6b3f1e446877f..bcfdeab8f9078b 100644
--- a/scripts/diff-features.ts
+++ b/scripts/diff-features.ts
@@ -174,9 +174,15 @@ const enumerateFeatures = (ref = 'HEAD', quiet = false): string[] => {
       // If the clean install fails, proceed anyways
     }
 
-    execSync(
-      `node --loader=ts-node/esm --no-warnings=ExperimentalWarning ./scripts/enumerate-features.ts --data-from=${worktree}`,
-    );
+    try {
+      execSync(
+        `npx tsx --no-warnings=ExperimentalWarning ./scripts/enumerate-features.ts --data-from=${worktree}`,
+      );
+    } catch (e) {
+      execSync(
+        `node --loader=ts-node/esm --no-warnings=ExperimentalWarning ./scripts/enumerate-features.ts --data-from=${worktree}`,
+      );
+    }
 
     return JSON.parse(fs.readFileSync('.features.json', { encoding: 'utf-8' }));
   } finally {
diff --git a/tsconfig.json b/tsconfig.json
index 5a4792eee6463d..bece8fc2fa4e34 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -16,10 +16,5 @@
     "skipLibCheck": true
   },
   "exclude": ["build", "**/*.test.ts"],
-  "typeRoots": ["./node_modules/@types", "./types"],
-  "ts-node": {
-    "esm": true,
-    "files": true,
-    "swc": true
-  }
+  "typeRoots": ["./node_modules/@types", "./types"]
 }