diff --git a/index.gv b/index.gv
index fc71130..d9004ac 100644
--- a/index.gv
+++ b/index.gv
@@ -51,32 +51,22 @@ devops_dev_test -> devops_ops_monitor [style="invis"]
 # │ DevOps │ Dev │
 # ╰────────┴─────╯
 
-subgraph cluster_devops_dev {
-label="Dev"
-
 devops_dev_plan [label="Plan"]
 devops_dev_code [label="Code"]
 devops_dev_build [label="Build"]
 devops_dev_test [label="Test"]
 
-}
-
 devops_dev_plan -> devops_dev_code -> devops_dev_build -> devops_dev_test -> devops_dev_plan
 
 # ╭────────┬─────╮
 # │ DevOps │ Ops │
 # ╰────────┴─────╯
 
-subgraph cluster_devops_ops {
-label="Ops"
-
 devops_ops_release [label="Release"]
 devops_ops_deploy [label="Deploy"]
 devops_ops_operate [label="Operate"]
 devops_ops_monitor [label="Monitor"]
 
-}
-
 devops_ops_release -> devops_ops_deploy -> devops_ops_operate -> devops_ops_monitor -> devops_ops_deploy
 
 # ╭────────╮