diff --git a/atom/browser/api/atom_api_web_contents.cc b/atom/browser/api/atom_api_web_contents.cc
index b0927ee57298..6a18f0967b53 100644
--- a/atom/browser/api/atom_api_web_contents.cc
+++ b/atom/browser/api/atom_api_web_contents.cc
@@ -1099,8 +1099,6 @@ void WebContents::ShowDefinitionForSelection() {
   const auto view = web_contents()->GetRenderWidgetHostView();
   if (view)
     view->ShowDefinitionForSelection();
-#else
-  NOTIMPLEMENTED();
 #endif
 }