diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 11c1e56b4d..0b28970fc5 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -185,7 +185,6 @@ hit.edu.cn
 stu.parkland.edu
 cc.peralta.edu
 tongji.edu.cn
-ctuonline.edu
 student.ptithcm.edu.vn
 ze-zha.com
 www.90888.cc