diff --git a/inventory/builders b/inventory/builders
index d0c28c8608..c37e9a313f 100644
--- a/inventory/builders
+++ b/inventory/builders
@@ -116,7 +116,6 @@ buildvm-s390x-17.s390.fedoraproject.org
 buildvm-s390x-18.s390.fedoraproject.org
 buildvm-s390x-19.s390.fedoraproject.org
 buildvm-s390x-20.s390.fedoraproject.org
-buildvm-s390x-21.s390.fedoraproject.org
 
 [bvmhost_s390x]
 bvmhost-s390x-01.stg.s390.fedoraproject.org
diff --git a/inventory/host_vars/buildvm-s390x-20.s390.fedoraproject.org b/inventory/host_vars/buildvm-s390x-20.s390.fedoraproject.org
index d63bf1d5ee..7aa4ef93c3 100644
--- a/inventory/host_vars/buildvm-s390x-20.s390.fedoraproject.org
+++ b/inventory/host_vars/buildvm-s390x-20.s390.fedoraproject.org
@@ -1,2 +1,4 @@
 ---
 eth0_ipv4_ip: 10.1.102.30
+mem_size: 51200
+num_cpus: 3
diff --git a/inventory/host_vars/buildvm-s390x-21.s390.fedoraproject.org b/inventory/host_vars/buildvm-s390x-21.s390.fedoraproject.org
deleted file mode 100644
index 49f93fb736..0000000000
--- a/inventory/host_vars/buildvm-s390x-21.s390.fedoraproject.org
+++ /dev/null
@@ -1,2 +0,0 @@
----
-eth0_ipv4_ip: 10.1.102.31