diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c
index ce79ad4a53..3f52acb89c 100644
--- a/hw/block/nvme-ns.c
+++ b/hw/block/nvme-ns.c
@@ -301,7 +301,7 @@ static int nvme_ns_check_constraints(NvmeNamespace *ns, Error **errp)
     return 0;
 }
 
-int nvme_ns_setup(NvmeCtrl *n, NvmeNamespace *ns, Error **errp)
+int nvme_ns_setup(NvmeNamespace *ns, Error **errp)
 {
     if (nvme_ns_check_constraints(ns, errp)) {
         return -1;
@@ -353,7 +353,7 @@ static void nvme_ns_realize(DeviceState *dev, Error **errp)
     NvmeCtrl *n = NVME(s->parent);
     Error *local_err = NULL;
 
-    if (nvme_ns_setup(n, ns, &local_err)) {
+    if (nvme_ns_setup(ns, &local_err)) {
         error_propagate_prepend(errp, local_err,
                                 "could not setup namespace: ");
         return;
diff --git a/hw/block/nvme-ns.h b/hw/block/nvme-ns.h
index a0baa5f6d4..293ac990e3 100644
--- a/hw/block/nvme-ns.h
+++ b/hw/block/nvme-ns.h
@@ -174,7 +174,7 @@ static inline void nvme_aor_dec_active(NvmeNamespace *ns)
     assert(ns->nr_active_zones >= 0);
 }
 
-int nvme_ns_setup(NvmeCtrl *n, NvmeNamespace *ns, Error **errp);
+int nvme_ns_setup(NvmeNamespace *ns, Error **errp);
 void nvme_ns_drain(NvmeNamespace *ns);
 void nvme_ns_shutdown(NvmeNamespace *ns);
 void nvme_ns_cleanup(NvmeNamespace *ns);
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 0b002cb2be..30bd70fd5b 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -4377,7 +4377,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp)
         ns = &n->namespace;
         ns->params.nsid = 1;
 
-        if (nvme_ns_setup(n, ns, errp)) {
+        if (nvme_ns_setup(ns, errp)) {
             return;
         }
     }