diff --git a/atom/browser/ui/webui/pdf_viewer_ui.cc b/atom/browser/ui/webui/pdf_viewer_ui.cc
index 402c732c16b8..2d0318729744 100644
--- a/atom/browser/ui/webui/pdf_viewer_ui.cc
+++ b/atom/browser/ui/webui/pdf_viewer_ui.cc
@@ -61,7 +61,8 @@ class BundledDataSource : public content::URLDataSource {
   std::string GetMimeType(const std::string& path) const override {
     std::string filename = PathWithoutParams(path);
     std::string mime_type;
-    net::GetMimeTypeFromFile(base::FilePath::FromUTF8Unsafe(filename), &mime_type);
+    net::GetMimeTypeFromFile(
+        base::FilePath::FromUTF8Unsafe(filename), &mime_type);
     return mime_type;
   }
 
@@ -103,10 +104,6 @@ PdfViewerUI::PdfViewerUI(content::BrowserContext* browser_context,
 
 PdfViewerUI::~PdfViewerUI() {}
 
-void PdfViewerUI::RenderViewCreated(content::RenderViewHost* rvh) {
-  rvh->AllowBindings(content::BINDINGS_POLICY_WEB_UI);
-}
-
 bool PdfViewerUI::OnMessageReceived(
     const IPC::Message& message,
     content::RenderFrameHost* render_frame_host) {
diff --git a/atom/browser/ui/webui/pdf_viewer_ui.h b/atom/browser/ui/webui/pdf_viewer_ui.h
index 6e76ca87ab77..d81e12d69bd6 100644
--- a/atom/browser/ui/webui/pdf_viewer_ui.h
+++ b/atom/browser/ui/webui/pdf_viewer_ui.h
@@ -33,9 +33,6 @@ class PdfViewerUI : public content::WebUIController,
               const std::string& src);
   ~PdfViewerUI() override;
 
-  // content::WebUIController implementation.
-  void RenderViewCreated(content::RenderViewHost* rvh) override;
-
   // content::WebContentsObserver:
   bool OnMessageReceived(const IPC::Message& message,
                          content::RenderFrameHost* render_frame_host) override;