diff --git a/.gitignore b/.gitignore
index 54a0744..df4762f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -238,6 +238,7 @@ _Pvt_Extensions
 # Generated output
 /bundles/
 /components/
+/directives/
 /ng2-bs3-modal.*
 src/**.*.js
 src/**.*.d.ts
diff --git a/package.json b/package.json
index 49bbb1f..d5e8ae9 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "peer": "npm install es6-promise@^3.0.2 es6-shim@^0.33.3 reflect-metadata@0.1.2 rxjs@5.0.0-beta.0 zone.js@0.5.14",
     "lint": "node ./node_modules/.bin/tslint ./src/**/*.ts",
-    "clean": "node ./node_modules/.bin/rimraf ./bundles/ ./components/ ./ng2-bs3-modal.js ./ng2-bs3-modal.d.ts",
+    "clean": "node ./node_modules/.bin/rimraf ./bundles/ ./components/ ./directives/ ./ng2-bs3-modal.js ./ng2-bs3-modal.d.ts",
     "tsc": "node ./node_modules/.bin/tsc --project . --declaration",
     "tsc-test": "node ./node_modules/.bin/tsc --project ./test",
     "tsc-single": "node ./node_modules/.bin/tsc --project . --rootDir ./src --module system --outFile ./bundles/ng2-bs3-modal.js",
diff --git a/src/ng2-bs3-modal/directives/autofocus.ts b/src/ng2-bs3-modal/directives/autofocus.ts
index a772820..6d6c6d5 100644
--- a/src/ng2-bs3-modal/directives/autofocus.ts
+++ b/src/ng2-bs3-modal/directives/autofocus.ts
@@ -1,10 +1,10 @@
-import { Directive, ElementRef, OnInit } from 'angular2/core';
+import { Directive, ElementRef } from 'angular2/core';
 import { ModalComponent } from '../components/modal';
 
 @Directive({
     selector: '[autofocus]'
 })
-export class AutofocusDirective implements OnInit {
+export class AutofocusDirective {
     constructor(private el: ElementRef, private modal: ModalComponent) {
         this.modal.onOpen.subscribe(() => {
             this.el.nativeElement.focus();