diff --git a/group_vars/all b/group_vars/all
index 26caefc..cfe6c0b 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -18,7 +18,6 @@ common_hostname: True
 
 common_rsyslog: True
 common_openssh_permit_root_login: "prohibit-password"
-common_openssh_password_authentication: "yes"
 
 common_ntp_servers:
   - tutimea.tuwien.ac.at
diff --git a/group_vars/backup b/group_vars/backup
deleted file mode 100644
index 23a39d0..0000000
--- a/group_vars/backup
+++ /dev/null
@@ -1,7 +0,0 @@
-backup:
-  repositories:
-  - path: "/srv/rep1"
-    name: "Repository1"
-  - path: "/srv/rep2"
-    name: "Repository2"
-    
\ No newline at end of file
diff --git a/hosts/production b/hosts/production
index 9ab4f7d..82f0b51 100644
--- a/hosts/production
+++ b/hosts/production
@@ -5,7 +5,6 @@ all:
         ariane:
     fet_lxc_debian:
       hosts:
-        lxc-pet-01:
         laika:
         betam:
         proteus:
diff --git a/hosts/production_pet b/hosts/production_pet
deleted file mode 100644
index fffed14..0000000
--- a/hosts/production_pet
+++ /dev/null
@@ -1,2 +0,0 @@
-[fet_container]
-lxc-pet-01
diff --git a/hosts/test_andi b/hosts/test_andi
deleted file mode 100644
index e6231d1..0000000
--- a/hosts/test_andi
+++ /dev/null
@@ -1,3 +0,0 @@
-[ruby]
-#test01
-test03