diff --git a/common.yml b/common.yml
deleted file mode 100644
index 99861b5..0000000
--- a/common.yml
+++ /dev/null
@@ -1,4 +0,0 @@
----
-- hosts: all
-  roles: 
-    - common
diff --git a/group_vars/ffhh b/group_vars/ffhh
index 10c9f5a..b9c8ee3 100644
--- a/group_vars/ffhh
+++ b/group_vars/ffhh
@@ -1,3 +1,4 @@
 ---
-prefix4: 10.112.0.0/18
-prefix6: 2a03:2267::/64
+ffhh:
+    prefix4: 10.112.0.0/18
+    prefix6: 2a03:2267::/64
diff --git a/roles/ntp-server/templates/ntp.conf.j2 b/roles/ntp-server/templates/ntp.conf.j2
index f4c065d..ed17a3a 100644
--- a/roles/ntp-server/templates/ntp.conf.j2
+++ b/roles/ntp-server/templates/ntp.conf.j2
@@ -15,6 +15,8 @@ fudge  127.127.1.0 stratum 10
 server ptbtime1.ptb.de
 server ptbtime2.ptb.de
 server ptbtime3.ptb.de
+server 0.de.pool.ntp.org
+server 1.de.pool.ntp.org
 
 # Restrict all incoming connection
 restrict -4 default ignore
@@ -31,6 +33,6 @@ restrict -6 ::1
 # Disable the monlist request as this is associated with ntp
 # amplification attacks
 disable monitor
-restrict {{ prefix4.split("/")[0] }} mask {{ prefix4 | ipaddr('netmask') }} nomodify notrap nopeer
-restrict {{ prefix6.split("/")[0] }} mask {{ prefix6 | ipaddr('netmask') }} nomodify notrap nopeer
+restrict {{ ffhh.prefix4.split("/")[0] }} mask {{ ffhh.prefix4 | ipaddr('netmask') }} nomodify notrap nopeer
+restrict {{ ffhh.prefix6.split("/")[0] }} mask {{ ffhh.prefix6 | ipaddr('netmask') }} nomodify notrap nopeer
 
diff --git a/services.yml b/services.yml
deleted file mode 100644
index 4bbc197..0000000
--- a/services.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-- hosts: services
-  roles:
-    - ntp-server
-    - website/ffnord
-    - website/media
-    - website/meta
-
diff --git a/site.yml b/site.yml
index 7562765..9e24286 100644
--- a/site.yml
+++ b/site.yml
@@ -1,3 +1,8 @@
 ---
-- include: common.yml
-- include: services.yml
+- hosts: all
+  roles:
+    - common
+
+- hosts: ntp
+  roles:
+    - ntp-server
diff --git a/srv02.inventory b/srv02.inventory
index f9020bd..c3001d0 100644
--- a/srv02.inventory
+++ b/srv02.inventory
@@ -1,6 +1,8 @@
-[services]
 srv02 ansible_ssh_host=srv02.hamburg.freifunk.net
 
+[ntp]
+srv02
+
 [ffhh]
 srv02