diff --git a/src/dhcp/nm-dhcp-client.c b/src/dhcp/nm-dhcp-client.c
index b212901aae..7ed7a68660 100644
--- a/src/dhcp/nm-dhcp-client.c
+++ b/src/dhcp/nm-dhcp-client.c
@@ -549,7 +549,6 @@ nm_dhcp_client_start_ip6 (NMDhcpClient *self,
                           GError **error)
 {
 	NMDhcpClientPrivate *priv;
-	gs_free char *str = NULL;
 	gs_unref_bytes GBytes *own_client_id = NULL;
 
 	g_return_val_if_fail (NM_IS_DHCP_CLIENT (self), FALSE);