diff --git a/.ng-dev/format.ts b/.ng-dev/format.ts
index e6328eca9c..e33f60d4af 100644
--- a/.ng-dev/format.ts
+++ b/.ng-dev/format.ts
@@ -18,6 +18,7 @@ export const format: FormatConfig = {
       '!**/*.d.ts',
       // Do not format generated ng-dev script
       '!dev-infra/ng-dev.js',
+      '!dev-infra/build-worker.js',
       // Do not format compliance test-cases since they must match generated code
       '!packages/compiler-cli/test/compliance/test_cases/**/*.js',
     ]
diff --git a/tslint.json b/tslint.json
index d7a30f3370..c4a8ac52b5 100644
--- a/tslint.json
+++ b/tslint.json
@@ -100,7 +100,8 @@
       // Ignore zone.js directory
       // TODO(JiaLiPassion): add zone.js back later
       "./packages/zone.js/**/*",
-      "./dev-infra/ng-dev.js"
+      "./dev-infra/ng-dev.js",
+      "./dev-infra/build-worker.js"
     ]
   }
 }