diff --git a/generators/app/templates/src/_tsconfig.es5.json b/generators/app/templates/src/_tsconfig.es5.json
index c82cbca..0451360 100644
--- a/generators/app/templates/src/_tsconfig.es5.json
+++ b/generators/app/templates/src/_tsconfig.es5.json
@@ -18,7 +18,7 @@
     "types": []
   },
   "angularCompilerOptions": {
-    "annotateForClosureCompiler": true,
+    "annotateForClosureCompiler": false,
     "strictMetadataEmit": true,
     "skipTemplateCodegen": true,
     "flatModuleOutFile": "<%= props.libraryName.kebabCase %>.js",