diff --git a/atom/browser/ui/webui/pdf_viewer_handler.cc b/atom/browser/ui/webui/pdf_viewer_handler.cc
index ccebec9931b3..e00ab9d4d930 100644
--- a/atom/browser/ui/webui/pdf_viewer_handler.cc
+++ b/atom/browser/ui/webui/pdf_viewer_handler.cc
@@ -8,9 +8,6 @@
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_view_host.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/browser/stream_info.h"
 #include "content/public/browser/web_contents.h"