diff --git a/roles/configure_iptables/templates/iptables.rules b/roles/configure_iptables/templates/iptables.rules
index 6d7fce1..924320d 100644
--- a/roles/configure_iptables/templates/iptables.rules
+++ b/roles/configure_iptables/templates/iptables.rules
@@ -38,7 +38,6 @@ COMMIT
 # SSH-Server
 -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
 # iperf3
--A INPUT -p tcp -m tcp -s 10.30.0.0/18 --dport 5201 -j ACCEPT
 -A INPUT -p tcp -m tcp -s 10.222.0.0/16 --dport 5201 -j ACCEPT
 
 {% if 'fastd' in group_names %}
@@ -54,7 +53,6 @@ COMMIT
 # ntp
 -A INPUT -p udp -m udp --dport 123 -j ACCEPT
 # fastd / wg
--A INPUT -s 10.30.0.0/18 -p udp -m udp --dport 10010:10023 -j DROP
 -A INPUT -s 10.222.0.0/16 -p udp -m udp --dport 10010:10023 -j DROP
 -A INPUT -p udp -m udp --dport 10010:10023 -j ACCEPT
 # wireguard_mesh
@@ -86,8 +84,6 @@ COMMIT
 -A FORWARD -o {{ ansible_default_ipv4.interface }} -j REJECT
 -A FORWARD -d 10.222.0.0/16 -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
 -A FORWARD -s 10.222.0.0/16 -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
--A FORWARD -d 10.30.0.0/18 -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
--A FORWARD -s 10.30.0.0/18 -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
 
 COMMIT
 *nat
diff --git a/roles/configure_static_routes/files/ffmyk-iproute.sh b/roles/configure_static_routes/files/ffmyk-iproute.sh
index f5a69fa..831d30d 100755
--- a/roles/configure_static_routes/files/ffmyk-iproute.sh
+++ b/roles/configure_static_routes/files/ffmyk-iproute.sh
@@ -4,7 +4,6 @@ ip -4 rule add from all fwmark 0x1 table ffmyk priority 10
 ip -6 rule add from all fwmark 0x1 table ffmyk priority 10
 
 #Alles mit Freifunk-IP - woher auch immer - gehört zu Tabelle ffmyk
-ip -4 rule add to 10.30.0.0/18 table ffmyk priority 10
 ip -4 rule add to 10.222.1.0/24 table ffmyk priority 10
 ip -4 rule add to 10.222.2.0/23 table ffmyk priority 10
 ip -4 rule add to 10.222.4.0/22 table ffmyk priority 10
diff --git a/roles/install_babeld/templates/babeld.conf.j2 b/roles/install_babeld/templates/babeld.conf.j2
index d714158..1fac52e 100644
--- a/roles/install_babeld/templates/babeld.conf.j2
+++ b/roles/install_babeld/templates/babeld.conf.j2
@@ -38,7 +38,6 @@ reflect-kernel-metric true
 
 # Filtering rules.
 {% if 'uplink' in group_names %}
-in ip 10.30.0.0/18 allow
 in ip 10.222.0.0/16 allow
 in ip 2a03:2260:1016::/48 allow
 in ip 2003:46:e028::/48 allow # finzelberg
@@ -56,7 +55,6 @@ redistribute if {{ peer.name }} metric 128
 {% endif %}
 # Only redistribute addresses from a given prefix, to avoid redistributing
 # all local addresses
-redistribute ip 10.30.0.0/18 allow
 redistribute ip 10.222.0.0/16 allow
 redistribute ip 2a03:2260:1016::/48 allow
 redistribute ip 64:ff9b::/96 allow
diff --git a/roles/install_bind/templates/named.conf.j2 b/roles/install_bind/templates/named.conf.j2
index 4704eee..da7043e 100644
--- a/roles/install_bind/templates/named.conf.j2
+++ b/roles/install_bind/templates/named.conf.j2
@@ -21,7 +21,7 @@ options {
 {% endfor %}
     };
 
-    allow-recursion { 127.0.0.1; 10.222.0.0/16; 10.30.0.0/18; 2001:470:cd45:ff00::/56; 2a03:2260:1016::/48; fe80::/64; };
+    allow-recursion { 127.0.0.1; 10.222.0.0/16; 2001:470:cd45:ff00::/56; 2a03:2260:1016::/48; fe80::/64; };
     allow-transfer { none; };
 
     version none;