diff --git a/ipcs/chainipc.go b/ipcs/chainipc.go
index e794af93a183..9d16dc4929a7 100644
--- a/ipcs/chainipc.go
+++ b/ipcs/chainipc.go
@@ -82,6 +82,7 @@ func (cipcs *ChainIPCs) Unpublish(chainID ids.ID) (bool, error) {
 	if !ok {
 		return false, nil
 	}
+	delete(cipcs.chains, chainID)
 	return true, chainIPCs.stop()
 }