diff --git a/atom/browser/ui/win/notify_icon_host.cc b/atom/browser/ui/win/notify_icon_host.cc
index ee5c8bab0931..9d4f3d0117c2 100644
--- a/atom/browser/ui/win/notify_icon_host.cc
+++ b/atom/browser/ui/win/notify_icon_host.cc
@@ -10,8 +10,6 @@
 #include "atom/browser/ui/win/notify_icon.h"
 #include "base/bind.h"
 #include "base/stl_util.h"
-#include "base/threading/non_thread_safe.h"
-#include "base/threading/thread.h"
 #include "base/win/win_util.h"
 #include "base/win/wrapped_window_proc.h"
 #include "ui/events/event_constants.h"
diff --git a/chromium_src/chrome/browser/printing/print_job_manager.h b/chromium_src/chrome/browser/printing/print_job_manager.h
index e4970d41d32c..4b170589a5b0 100644
--- a/chromium_src/chrome/browser/printing/print_job_manager.h
+++ b/chromium_src/chrome/browser/printing/print_job_manager.h
@@ -13,7 +13,6 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
-#include "base/threading/non_thread_safe.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"