diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/traffic.service.ts b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/traffic.service.ts
index b6d2b85..9aff0c7 100644
--- a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/traffic.service.ts
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/traffic.service.ts
@@ -39,9 +39,7 @@
 /**
  * ONOS GUI -- Traffic Service Module.
  */
-@Injectable({
-    providedIn: 'root'
-})
+@Injectable()
 export class TrafficService {
     private handlers: string[] = [];
     private openListener: any;