diff --git a/sys/fs/nfsclient/nfs_clport.c b/sys/fs/nfsclient/nfs_clport.c
index 39f2f02c96be..e81c3bf805b8 100644
--- a/sys/fs/nfsclient/nfs_clport.c
+++ b/sys/fs/nfsclient/nfs_clport.c
@@ -1243,6 +1243,10 @@ nfscl_modevent(module_t mod, int type, void *data)
 			break;
 		}
 
+		/*
+		 * XXX: Unloading of nfscl module is unsupported.
+		 */
+#if 0
 		ncl_call_invalcaches = NULL;
 		nfsd_call_nfscl = NULL;
 		/* and get rid of the mutexes */
@@ -1250,6 +1254,9 @@ nfscl_modevent(module_t mod, int type, void *data)
 		mtx_destroy(&ncl_iod_mutex);
 		loaded = 0;
 		break;
+#else
+		/* FALLTHROUGH */
+#endif
 	default:
 		error = EOPNOTSUPP;
 		break;
diff --git a/sys/fs/nfsclient/nfs_clsubs.c b/sys/fs/nfsclient/nfs_clsubs.c
index a217a21513ac..3cd7e5c86859 100644
--- a/sys/fs/nfsclient/nfs_clsubs.c
+++ b/sys/fs/nfsclient/nfs_clsubs.c
@@ -87,6 +87,10 @@ extern struct nfsstats newnfsstats;
 int
 ncl_uninit(struct vfsconf *vfsp)
 {
+	/*
+	 * XXX: Unloading of nfscl module is unsupported.
+	 */
+#if 0
 	int i;
 
 	/*
@@ -104,6 +108,9 @@ ncl_uninit(struct vfsconf *vfsp)
 	mtx_unlock(&ncl_iod_mutex);
 	ncl_nhuninit();
 	return (0);
+#else
+	return (EOPNOTSUPP);
+#endif
 }
 
 void