--- a/src/firewalk.c
+++ b/src/firewalk.c
@@ -188,8 +188,6 @@
                     case FW_SERIOUS_ERROR:
                         /* err msg set in fw_packet_capture() */
                         return (FW_SERIOUS_ERROR);
-                    default:
-                        /* empty */
                 }
             }
         }