diff --git a/atom/browser/api/atom_api_cookies.cc b/atom/browser/api/atom_api_cookies.cc
index d1d75b7f64..0c7ee54e15 100644
--- a/atom/browser/api/atom_api_cookies.cc
+++ b/atom/browser/api/atom_api_cookies.cc
@@ -60,10 +60,6 @@ struct Converter<net::CookieChangeCause> {
     switch (val) {
       case net::CookieChangeCause::INSERTED:
       case net::CookieChangeCause::EXPLICIT:
-      case net::CookieChangeCause::EXPLICIT_DELETE_BETWEEN:
-      case net::CookieChangeCause::EXPLICIT_DELETE_PREDICATE:
-      case net::CookieChangeCause::EXPLICIT_DELETE_SINGLE:
-      case net::CookieChangeCause::EXPLICIT_DELETE_CANONICAL:
         return mate::StringToV8(isolate, "explicit");
       case net::CookieChangeCause::OVERWRITE:
         return mate::StringToV8(isolate, "overwrite");