diff --git a/ngsw-config.json b/ngsw-config.json
index fa9410f34..fb881a4ff 100644
--- a/ngsw-config.json
+++ b/ngsw-config.json
@@ -12,7 +12,8 @@
           "/*.js"
         ]
       }
-    }, {
+    },
+    {
       "name": "assets",
       "installMode": "lazy",
       "updateMode": "prefetch",
@@ -22,5 +23,12 @@
         ]
       }
     }
-  ]
+  ],
+  "external": {
+    "urls": [
+      {
+        "url": "https://fonts.googleapis.com/icon?family=Material+Icons"
+      }
+    ]
+  }
 }
diff --git a/package-lock.json b/package-lock.json
index bc0ac99c5..fdb5f16a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -919,13 +919,6 @@
         "@angular-devkit/core": "7.0.5",
         "@angular-devkit/schematics": "7.0.5",
         "typescript": "3.1.6"
-      },
-      "dependencies": {
-        "typescript": {
-          "version": "3.1.6",
-          "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.1.6.tgz",
-          "integrity": "sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA=="
-        }
       }
     },
     "@schematics/update": {
@@ -11153,8 +11146,7 @@
     "typescript": {
       "version": "3.1.6",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.1.6.tgz",
-      "integrity": "sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA==",
-      "dev": true
+      "integrity": "sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA=="
     },
     "uglify-js": {
       "version": "3.4.9",
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 6e4c01c64..bd01f7eef 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -41,7 +41,6 @@ import { TimeTrackingModule } from './time-tracking/time-tracking.module';
     BrowserAnimationsModule,
     HttpClientModule,
     RouterModule.forRoot(APP_ROUTES, {useHash: true}),
-    ServiceWorkerModule.register('ngsw-worker.js', {enabled: environment.production}),
     // NOTE: both need to be present to use forFeature stores
     StoreModule.forRoot(reducers),
     EffectsModule.forRoot([]),
@@ -49,6 +48,7 @@ import { TimeTrackingModule } from './time-tracking/time-tracking.module';
     ReactiveFormsModule,
     FormlyModule.forRoot(),
     FormlyMaterialModule,
+    ServiceWorkerModule.register('ngsw-worker.js', {enabled: environment.production}),
   ],
   providers: [],
   bootstrap: [AppComponent]