diff --git a/demo-shell-ng2/.angular-cli.json b/demo-shell-ng2/.angular-cli.json
index 12e5b034f1..ac11d6c807 100644
--- a/demo-shell-ng2/.angular-cli.json
+++ b/demo-shell-ng2/.angular-cli.json
@@ -123,7 +123,6 @@
       },
       "scripts": [
         "../node_modules/pdfjs-dist/build/pdf.js",
-        "../node_modules/pdfjs-dist/web/compatibility.js",
         "../node_modules/pdfjs-dist/web/pdf_viewer.js",
         "../node_modules/raphael/raphael.min.js",
         "../node_modules/moment/min/moment.min.js",
@@ -335,7 +334,6 @@
       },
       "scripts": [
         "../node_modules/pdfjs-dist/build/pdf.js",
-        "../node_modules/pdfjs-dist/web/compatibility.js",
         "../node_modules/pdfjs-dist/web/pdf_viewer.js",
         "../node_modules/raphael/raphael.min.js",
         "../node_modules/moment/min/moment.min.js",