diff --git a/sys/dev/wpi/if_wpi.c b/sys/dev/wpi/if_wpi.c
index ea35df0c08a..d2ae17f607a 100644
--- a/sys/dev/wpi/if_wpi.c
+++ b/sys/dev/wpi/if_wpi.c
@@ -663,8 +663,7 @@ wpi_attach(device_t dev)
 
 	/* set device capabilities */
 	ic->ic_caps =
-		  IEEE80211_C_WEP		/* s/w WEP */
-		| IEEE80211_C_MONITOR		/* monitor mode supported */
+		  IEEE80211_C_MONITOR		/* monitor mode supported */
 		| IEEE80211_C_TXPMGT		/* tx power management */
 		| IEEE80211_C_SHSLOT		/* short slot time supported */
 		| IEEE80211_C_SHPREAMBLE	/* short preamble supported */