diff --git a/drivers/staging/rtl8188eu/include/ieee80211.h b/drivers/staging/rtl8188eu/include/ieee80211.h
index cf3f64db34d221ce6c97d93c95c9c1b9e3b6c109..6400f75707bd54a2ba7ba40277b1364afe8afb0c 100644
--- a/drivers/staging/rtl8188eu/include/ieee80211.h
+++ b/drivers/staging/rtl8188eu/include/ieee80211.h
@@ -477,12 +477,6 @@ struct ieee80211_snap_hdr {
 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & RTW_IEEE80211_SCTL_SEQ)
 
-/* Authentication algorithms */
-#define WLAN_AUTH_OPEN 0
-#define WLAN_AUTH_SHARED_KEY 1
-
-#define WLAN_AUTH_CHALLENGE_LEN 128
-
 /* Non standard?  Not in <linux/ieee80211.h> */
 #define WLAN_REASON_EXPIRATION_CHK 65535