diff --git a/sys/fs/nfsserver/nfs_nfsdport.c b/sys/fs/nfsserver/nfs_nfsdport.c
--- a/sys/fs/nfsserver/nfs_nfsdport.c
+++ b/sys/fs/nfsserver/nfs_nfsdport.c
@@ -3478,11 +3478,6 @@
 		     (nd->nd_flag & ND_AUTHNONE) != 0) {
 			nd->nd_cred->cr_uid = credanon->cr_uid;
 			nd->nd_cred->cr_gid = credanon->cr_gid;
-			/*
-			 * 'credanon' is already a 'struct ucred' that was built
-			 * internally with calls to crsetgroups_and_egid(), so
-			 * we don't need a fallback here.
-			 */
 			crsetgroups(nd->nd_cred, credanon->cr_ngroups,
 			    credanon->cr_groups);
 		} else if ((nd->nd_flag & ND_GSS) == 0) {