diff --git a/Stub/master-and-stub-server-talks-a-bit/named.conf.MASTER b/Stub/master-and-stub-server-talks-a-bit/named.conf.MASTER
index a50d911..b6b36de 100644
--- a/Stub/master-and-stub-server-talks-a-bit/named.conf.MASTER
+++ b/Stub/master-and-stub-server-talks-a-bit/named.conf.MASTER
@@ -8,9 +8,7 @@ options {
         allow-query {
                 any;
         };
-        dnssec-enable no;
         dnssec-validation no;
-        dnssec-lookaside no;
 };
 
 zone "." {
diff --git a/Stub/master-and-stub-server-talks-a-bit/named.conf.STUB b/Stub/master-and-stub-server-talks-a-bit/named.conf.STUB
index 6b12550..9de8354 100644
--- a/Stub/master-and-stub-server-talks-a-bit/named.conf.STUB
+++ b/Stub/master-and-stub-server-talks-a-bit/named.conf.STUB
@@ -9,9 +9,7 @@ options {
 	directory 	"/tmp/bind-for-petr";
 	allow-query     { any; };
 
-	dnssec-enable no;
 	dnssec-validation no;
-	dnssec-lookaside no;
 };
 
 zone "." IN {