diff --git a/sbin/ifconfig/ifconfig_netlink.c b/sbin/ifconfig/ifconfig_netlink.c
--- a/sbin/ifconfig/ifconfig_netlink.c
+++ b/sbin/ifconfig/ifconfig_netlink.c
@@ -25,6 +25,8 @@
  * SUCH DAMAGE.
  */
 
+#define _WANT_IFCAP_BIT_NAMES
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/sys/net/if_strings.h b/sys/net/if_strings.h
--- a/sys/net/if_strings.h
+++ b/sys/net/if_strings.h
@@ -66,6 +66,7 @@
 #define	IFCAP2_RXTLS6_NAME	IFCAP_RXTLS6_NAME
 #define	IFCAP2_IPSEC_OFFLOAD_NAME IFCAP_IPSEC_OFFLOAD_NAME
 
+#ifdef _WANT_IFCAP_BIT_NAMES
 static const char *ifcap_bit_names[] = {
 	IFCAP_RXCSUM_NAME,
 	IFCAP_TXCSUM_NAME,
@@ -108,5 +109,6 @@
 _Static_assert(sizeof(ifcap_bit_names) >= IFCAP_B_SIZE * sizeof(char *),
     "ifcap bit names missing from ifcap_bit_names");
 #endif
+#endif
 
 #endif