diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index a63146ccc6b4..df817d7594a2 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1396,7 +1396,7 @@ static unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *prec
 	return _SUCCESS;
 }
 
-unsigned int OnDeAuth(struct adapter *padapter, struct recv_frame *precv_frame)
+static unsigned int OnDeAuth(struct adapter *padapter, struct recv_frame *precv_frame)
 {
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)precv_frame->rx_data;
 	unsigned short	reason;
diff --git a/drivers/staging/r8188eu/include/rtw_mlme_ext.h b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
index 866d358f5f10..14df83574478 100644
--- a/drivers/staging/r8188eu/include/rtw_mlme_ext.h
+++ b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
@@ -538,8 +538,6 @@ void start_create_ibss(struct adapter *padapter);
 
 unsigned int OnAuth(struct adapter *padapter,
 		    struct recv_frame *precv_frame);
-unsigned int OnDeAuth(struct adapter *padapter,
-		      struct recv_frame *precv_frame);
 unsigned int OnAction(struct adapter *padapter,
 		      struct recv_frame *precv_frame);