diff --git a/named.conf.slave b/named.conf.slave
index 5d48ab9..9e1ac82 100644
--- a/named.conf.slave
+++ b/named.conf.slave
@@ -6,24 +6,12 @@
 // requirements:
 //   mkdir /etc/bind/slaves
 //   add /etc/bind/envs_msT.key
-//   chown bind:bind /etc/bind/envs_msT.key
+//   chown -r bind:bind /etc/bind/envs_msT.key /etc/bind/slaves
 //   chmod 400 /etc/bind/envs_msT.key
 
 include "/etc/bind/envs_msT.key";
 server 89.163.145.170 { keys { envs_msT; }; };
 
-zone "envs.net" {
-	type slave;
-	file "/etc/bind/slaves/db.envs.net";
-	masters { 89.163.145.170; };
-};
-
-zone "envs.sh" {
-	type slave;
-	file "/etc/bind/slaves/db.envs.sh";
-	masters { 89.163.145.170; };
-};
-
 zone "envs.tilde" {
 	type slave;
 	file "/etc/bind/slaves/db.envs.tilde";