diff --git a/demo-shell-ng2/app/vendor.ts b/demo-shell-ng2/app/vendor.ts
index 89d15413cb..f5333ae066 100644
--- a/demo-shell-ng2/app/vendor.ts
+++ b/demo-shell-ng2/app/vendor.ts
@@ -27,7 +27,7 @@ import 'ng2-alfresco-webscript';
 import 'ng2-alfresco-userinfo';
 
 // Polyfill(s) for dialogs
-import 'dialog-polyfill/dialog-polyfill';
+require('script!dialog-polyfill/dialog-polyfill');
 import 'dialog-polyfill/dialog-polyfill.css';
 
 // Flags
diff --git a/demo-shell-ng2/config/webpack.common.js b/demo-shell-ng2/config/webpack.common.js
index 064b9ba158..a888f3c033 100644
--- a/demo-shell-ng2/config/webpack.common.js
+++ b/demo-shell-ng2/config/webpack.common.js
@@ -106,10 +106,6 @@ module.exports = {
 
     plugins: [
 
-        new webpack.ProvidePlugin({
-            'dialogPolyfill': 'dialog-polyfill/dialog-polyfill'
-        }),
-
         new webpack.WatchIgnorePlugin([
             ...alfrescoLibsModules,
             ...alfrescoLibsSources
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-checklist.component.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-checklist.component.ts
index cf9e0056d3..6836c12249 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-checklist.component.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-checklist.component.ts
@@ -21,7 +21,7 @@ import { ActivitiTaskListService } from './../services/activiti-tasklist.service
 import { TaskDetailsModel } from '../models/task-details.model';
 import { Observer, Observable } from 'rxjs/Rx';
 
-let dialogPolyfill: any;
+declare let dialogPolyfill: any;
 
 @Component({
     selector: 'activiti-checklist',
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts
index bf01cf92d9..15fd20ab71 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-comments.component.ts
@@ -21,7 +21,7 @@ import { ActivitiTaskListService } from './../services/activiti-tasklist.service
 import { Comment } from '../models/comment.model';
 import { Observer, Observable } from 'rxjs/Rx';
 
-let dialogPolyfill: any;
+declare let dialogPolyfill: any;
 
 @Component({
     selector: 'activiti-comments',
diff --git a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts
index e4e23e7612..a975e1671d 100644
--- a/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts
+++ b/ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.ts
@@ -21,7 +21,7 @@ import { User } from '../models/user.model';
 import { Observer, Observable } from 'rxjs/Rx';
 import { ActivitiPeopleService } from '../services/activiti-people.service';
 
-let dialogPolyfill: any;
+declare let dialogPolyfill: any;
 
 @Component({
     selector: 'activiti-people',