diff --git a/lib/domains/tlds.txt b/lib/domains/tlds.txt
index ce6b897b3e..0c8c40c9e9 100644
--- a/lib/domains/tlds.txt
+++ b/lib/domains/tlds.txt
@@ -21,7 +21,6 @@ ac.pr
 ac.ru
 ac.rw
 ac.sz
-ac.uk
 ac.yu
 ac.za
 ac.zm