diff --git a/libc/kernel/uapi/linux/snmp.h b/libc/kernel/uapi/linux/snmp.h
index 91d693f..467a27a 100644
--- a/libc/kernel/uapi/linux/snmp.h
+++ b/libc/kernel/uapi/linux/snmp.h
@@ -152,12 +152,7 @@
   LINUX_MIB_DELAYEDACKLOST,
   LINUX_MIB_LISTENOVERFLOWS,
   LINUX_MIB_LISTENDROPS,
-  LINUX_MIB_TCPPREQUEUED,
-  LINUX_MIB_TCPDIRECTCOPYFROMBACKLOG,
-  LINUX_MIB_TCPDIRECTCOPYFROMPREQUEUE,
-  LINUX_MIB_TCPPREQUEUEDROPPED,
   LINUX_MIB_TCPHPHITS,
-  LINUX_MIB_TCPHPHITSTOUSER,
   LINUX_MIB_TCPPUREACKS,
   LINUX_MIB_TCPHPACKS,
   LINUX_MIB_TCPRENORECOVERY,
@@ -176,14 +171,12 @@
   LINUX_MIB_TCPSACKFAILURES,
   LINUX_MIB_TCPLOSSFAILURES,
   LINUX_MIB_TCPFASTRETRANS,
-  LINUX_MIB_TCPFORWARDRETRANS,
   LINUX_MIB_TCPSLOWSTARTRETRANS,
   LINUX_MIB_TCPTIMEOUTS,
   LINUX_MIB_TCPLOSSPROBES,
   LINUX_MIB_TCPLOSSPROBERECOVERY,
   LINUX_MIB_TCPRENORECOVERYFAIL,
   LINUX_MIB_TCPSACKRECOVERYFAIL,
-  LINUX_MIB_TCPSCHEDULERFAILED,
   LINUX_MIB_TCPRCVCOLLAPSED,
   LINUX_MIB_TCPDSACKOLDSENT,
   LINUX_MIB_TCPDSACKOFOSENT,
@@ -196,6 +189,7 @@
   LINUX_MIB_TCPABORTONLINGER,
   LINUX_MIB_TCPABORTFAILED,
   LINUX_MIB_TCPMEMORYPRESSURES,
+  LINUX_MIB_TCPMEMORYPRESSURESCHRONO,
   LINUX_MIB_TCPSACKDISCARD,
   LINUX_MIB_TCPDSACKIGNOREDOLD,
   LINUX_MIB_TCPDSACKIGNOREDNOUNDO,