diff --git a/vmm/src/api/openapi/cloud-hypervisor.yaml b/vmm/src/api/openapi/cloud-hypervisor.yaml
index 72a58e517..f116acb05 100644
--- a/vmm/src/api/openapi/cloud-hypervisor.yaml
+++ b/vmm/src/api/openapi/cloud-hypervisor.yaml
@@ -369,7 +369,6 @@ components:
     VmConfig:
       required:
       - kernel
-      - cmdline
       type: object
       properties:
         cpus: