diff --git a/app/assets/javascripts/app/controllers/_ui_element/postmaster_match.coffee b/app/assets/javascripts/app/controllers/_ui_element/postmaster_match.coffee
index 47a742142..2b0511cf9 100644
--- a/app/assets/javascripts/app/controllers/_ui_element/postmaster_match.coffee
+++ b/app/assets/javascripts/app/controllers/_ui_element/postmaster_match.coffee
@@ -111,10 +111,6 @@ class App.UiElement.postmaster_match
             value:    'list-archive'
             name:     'List-Archive'
           },
-          {
-            value:    'mailing-list'
-            name:     'Mailing-List'
-          },
           {
             value:    'message-id'
             name:     'Message-Id'