diff --git a/tlpkg/installer/ctan-mirrors.pl b/tlpkg/installer/ctan-mirrors.pl
index 567c96a6..68903ea6 100644
--- a/tlpkg/installer/ctan-mirrors.pl
+++ b/tlpkg/installer/ctan-mirrors.pl
@@ -49,7 +49,6 @@
       'https://ftp.kaist.ac.kr/tex-archive/' => 1,
       'https://kr.mirrors.cicku.me/ctan/' => 1,
       'https://lab.uklee.pe.kr/tex-archive/' => 1,
-      'https://mirror.kakao.com/CTAN/' => 1,
       'https://mirror.navercorp.com/CTAN/' => 1,
     },
     'Saudi Arabia' => {
@@ -141,7 +140,6 @@
     'Poland' => {
       'https://ctan.gust.org.pl/tex-archive/' => 1,
       'https://polish-mirror.evolution-host.com/ctan/' => 1,
-      'https://sunsite.icm.edu.pl/pub/CTAN/' => 1,
     },
     'Portugal' => {
       'https://ftp.eq.uc.pt/software/TeX/' => 1,