diff --git a/package.json b/package.json
index ae094c6..ffb1e74 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     }
   },
   "lint-staged": {
-    "{src,__mocks__,bin}/**/*.js": [
+    "{src,__mocks__,bin}/**/*.ts": [
       "prettier --write",
       "git add"
     ]
diff --git a/projects/ng-sortgrid/src/lib/ngsg-item.directive.spec.ts b/projects/ng-sortgrid/src/lib/ngsg-item.directive.spec.ts
index 18be3c6..8dbfe98 100644
--- a/projects/ng-sortgrid/src/lib/ngsg-item.directive.spec.ts
+++ b/projects/ng-sortgrid/src/lib/ngsg-item.directive.spec.ts
@@ -7,7 +7,6 @@ import {NgsgReflectService} from './ngsg-reflect.service';
 import {NgsgStoreService} from './ngsg-store.service';
 import {NgsgEventsService} from './ngsg-events.service';
 import createSpy = jasmine.createSpy;
-import {NgsgElementsHelper} from './ngsg-elements.helper';
 
 describe('NgsgItemDirective', () => {
   let sut: NgsgItemDirective;