diff --git a/inventory/group_vars/nagios b/inventory/group_vars/nagios
index 6c859efa52..32552d0da4 100644
--- a/inventory/group_vars/nagios
+++ b/inventory/group_vars/nagios
@@ -140,3 +140,6 @@ exclude_hostgroups:
   - iad2
   - download_iad2
   - openqa_iad
+  - download_tier1
+  - datacenter_iad2
+  - buildvm_ppc64le_iad2