diff --git a/net/mac80211/aes_ccm.h b/net/mac80211/aes_ccm.h
index 8cd0f14..6e7820e 100644
--- a/net/mac80211/aes_ccm.h
+++ b/net/mac80211/aes_ccm.h
@@ -16,10 +16,10 @@
 
 struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[]);
 void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
-			       u8 *b_0, u8 *aad, u8 *data, size_t data_len,
+			       u8 *data, size_t data_len,
 			       u8 *cdata, u8 *mic);
 int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
-			      u8 *b_0, u8 *aad, u8 *cdata, size_t data_len,
+			      u8 *cdata, size_t data_len,
 			      u8 *mic, u8 *data);
 void ieee80211_aes_key_free(struct crypto_cipher *tfm);