diff --git a/tlpkg/installer/ctan-mirrors.pl b/tlpkg/installer/ctan-mirrors.pl
index a1d96dd6..538eeb20 100644
--- a/tlpkg/installer/ctan-mirrors.pl
+++ b/tlpkg/installer/ctan-mirrors.pl
@@ -33,7 +33,6 @@
       'https://mirror.niser.ac.in/ctan/' => 1,
     },
     'Indonesia' => {
-      'http://repo.ugm.ac.id/ctan/' => 1,
       'https://mirror.unpad.ac.id/ctan/' => 1,
     },
     'Iran' => {
@@ -48,7 +47,6 @@
     },
     'Korea' => {
       'http://ftp.ktug.org/tex-archive/' => 1,
-      'https://cran.asia/tex/' => 1,
       'https://ftp.kaist.ac.kr/pub/tex-archive/' => 1,
       'https://lab.uklee.pe.kr/tex-archive/' => 1,
       'https://mirror.kakao.com/CTAN/' => 1,
@@ -66,9 +64,6 @@
       'https://mirror.easyname.at/ctan/' => 1,
       'https://mirror.kumi.systems/ctan/' => 1,
     },
-    'Belarus' => {
-      'https://mirror.datacenter.by/pub/mirrors/CTAN/' => 1,
-    },
     'Czech Republic' => {
       'http://ftp.cvut.cz/tex-archive/' => 1,
       'https://mirrors.nic.cz/tex-archive/' => 1,