diff --git a/angular.json b/angular.json
index e637c77c8..e7239e5df 100644
--- a/angular.json
+++ b/angular.json
@@ -42,7 +42,7 @@
                 "output": "/assets"
               },
               {
-                "glob": "pdf.worker.js",
+                "glob": "pdf.worker.min.js",
                 "input": "node_modules/pdfjs-dist/build",
                 "output": "/"
               },
@@ -291,4 +291,4 @@
       "prefix": "aca"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/src/app/components/preview/preview.module.ts b/src/app/components/preview/preview.module.ts
index c6eb3a32a..1e91bcad8 100644
--- a/src/app/components/preview/preview.module.ts
+++ b/src/app/components/preview/preview.module.ts
@@ -33,11 +33,7 @@ import { DirectivesModule } from '../../directives/directives.module';
 import { AppInfoDrawerModule } from '../info-drawer/info.drawer.module';
 import { PreviewComponent } from './preview.component';
 import { ViewUtilService } from './view-util.service';
-
-import * as pdfjsLib from 'pdfjs-dist';
 import { PreviewExtensionComponent } from './preview-extension.component';
-pdfjsLib.PDFJS.workerSrc = 'pdf.worker.js';
-pdfjsLib.PDFJS.disableFontFace = true;
 
 const routes: Routes = [
     {