diff --git a/zebra/kernel_socket.c b/zebra/kernel_socket.c
index df2b5d8..cb23bf9 100644
--- a/zebra/kernel_socket.c
+++ b/zebra/kernel_socket.c
@@ -799,8 +799,7 @@
        * At the same time, ignore unconfirmed messages, they should be tracked
        * by rtm_write() and kernel_rtm_ipv4().
        */
-      if (rtm->rtm_type != RTM_GET
-          && (rtm->rtm_pid == pid || rtm->rtm_pid == old_pid))
+      if (rtm->rtm_type != RTM_GET && rtm->rtm_pid == pid)
       {
         char buf[INET_ADDRSTRLEN], gate_buf[INET_ADDRSTRLEN];
         int ret;