diff --git a/Source/domainset/download.conf b/Source/domainset/download.conf
index 044d2135..448ace07 100644
--- a/Source/domainset/download.conf
+++ b/Source/domainset/download.conf
@@ -621,10 +621,6 @@ cpan.saix.net
 mirror.is.co.za
 mirror.yer.az
 mirror.amberit.com.bd
-mirror.lzu.edu.cn
-mirrors.163.com
-mirrors.neusoft.edu.cn
-mirrors.ustc.edu.cn
 cpan.pesat.net.id
 kartolo.sby.datautama.net.id
 mirror.biznetgio.com
@@ -839,9 +835,6 @@ ftp-osl.osuosl.org
 ftp.cse.buffalo.edu
 ftpmirror.gnu.org
 download.nust.na
-mirrors.nju.edu.cn
-mirrors.sjtug.sjtu.edu.cn
-mirrors.tuna.tsinghua.edu.cn
 de.freedif.org
 mirror.squ.edu.om
 mirror.freedif.org