diff --git a/package.json b/package.json
index edfac792..3c5f31ba 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "webdriver-update": "node ./node_modules/protractor/bin/webdriver-manager update"
   },
   "devDependencies": {
-    "@angular/cli": "1.5.2",
+    "@angular/cli": "1.5.4",
     "@angular/common": "5.0.2",
     "@angular/compiler": "5.0.2",
     "@angular/compiler-cli": "5.0.2",
diff --git a/src/rxjs-imports.ts b/src/rxjs-imports.ts
index 41999216..10f1dd35 100644
--- a/src/rxjs-imports.ts
+++ b/src/rxjs-imports.ts
@@ -1,3 +1,6 @@
 import 'rxjs/add/operator/filter';
 import 'rxjs/add/observable/of';
 
+// This forces angular compiler to generate a "rxjs-imports.metadata.json"
+// with a valid metadata instead of "[null]"
+export const noop = () => {};