diff --git a/atom/browser/common_web_contents_delegate.cc b/atom/browser/common_web_contents_delegate.cc
index 72a664f8cd00..1fd6f782de58 100644
--- a/atom/browser/common_web_contents_delegate.cc
+++ b/atom/browser/common_web_contents_delegate.cc
@@ -181,13 +181,6 @@ content::WebContents* CommonWebContentsDelegate::OpenURLFromTab(
   return source;
 }
 
-void CommonWebContentsDelegate::RequestToLockMouse(
-    content::WebContents* web_contents,
-    bool user_gesture,
-    bool last_unlocked_by_target) {
-  GetWebContents()->GotResponseToLockMouseRequest(true);
-}
-
 bool CommonWebContentsDelegate::CanOverscrollContent() const {
   return false;
 }
diff --git a/atom/browser/common_web_contents_delegate.h b/atom/browser/common_web_contents_delegate.h
index ee18f36660ee..828729d795d5 100644
--- a/atom/browser/common_web_contents_delegate.h
+++ b/atom/browser/common_web_contents_delegate.h
@@ -59,9 +59,6 @@ class CommonWebContentsDelegate
   content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) override;
-  void RequestToLockMouse(content::WebContents* web_contents,
-                          bool user_gesture,
-                          bool last_unlocked_by_target) override;
   bool CanOverscrollContent() const override;
   content::JavaScriptDialogManager* GetJavaScriptDialogManager(
       content::WebContents* source) override;