diff --git a/Blogs-and-tutorials.md b/Blogs-and-tutorials.md
index 701d3bb..50894eb 100644
--- a/Blogs-and-tutorials.md
+++ b/Blogs-and-tutorials.md
@@ -109,9 +109,6 @@ Here are some blogs that may help you:
 
 ## Russian
 1. http://wpb.1gb.ru/2016/08/27/%D1%83%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%BA%D0%B0-https-%D0%B4%D0%BB%D1%8F-%D1%81%D0%B0%D0%B9%D1%82%D0%B0-letsencrypt-ssl-%D1%81%D0%B5%D1%80%D1%82%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%82-nginx-debian/
-1. http://system-admins.ru/kak-v-nginx-nastroit-besplatnyj-letsencrypt-ssl-sertifikat-na-debian-ili-ubuntu-linux/
-1. https://cadrspace.ru/w/index.php/Let's_Encrypt
-1. http://blog.chudik.pro/it/15.html
 
 ## Polish 
 1. https://holas.pl/2016/02/24/zabezpiecz-swoja-strone-www-za-darmo-certyfikatem-ssl-od-lets-encrypt/