diff --git a/src/app/datasources/helpers/store.helpers.ts b/src/app/datasources/helpers/store.helpers.ts
index 7792590..c26e235 100644
--- a/src/app/datasources/helpers/store.helpers.ts
+++ b/src/app/datasources/helpers/store.helpers.ts
@@ -9,7 +9,7 @@
   updateCollection(event: IWSEvent, subject: BehaviorSubject<any>): BehaviorSubject<any>;
 }
 
-export class StoreHelpers {
+export class StoreHelpers implements IStoreHelpersService {
   static $inject = ['ModelRest'];
 
   constructor (
@@ -18,15 +18,7 @@
   }
 
   public urlFromCoreModel(name: string): string {
-    switch (name) {
-      // FIXME handling exceptions, understand why these 3 endpoints are autogenerated with an _f
-      case 'SiteRole':
-      case 'SliceRole':
-      case 'SlicePrivilege':
-        return `/core/${pluralize(name.split(/(?=[A-Z])/).map(w => w.toLowerCase()).join('_'))}`;
-      default:
-        return `/core/${pluralize(name.toLowerCase())}`;
-    }
+    return `/core/${pluralize(name.toLowerCase())}`;
   }
 
   public updateCollection(event: IWSEvent, subject: BehaviorSubject<any>): BehaviorSubject<any> {