diff --git a/drivers/staging/rtl8821ae/cam.c b/drivers/staging/rtl8821ae/cam.c
index 3bc6b3d06514..6185ea42deb1 100644
--- a/drivers/staging/rtl8821ae/cam.c
+++ b/drivers/staging/rtl8821ae/cam.c
@@ -152,7 +152,6 @@ u8 rtl_cam_add_one_entry(struct ieee80211_hw *hw, u8 *mac_addr,
 	return 1;
 
 }
-//EXPORT_SYMBOL(rtl_cam_add_one_entry);
 
 int rtl_cam_delete_one_entry(struct ieee80211_hw *hw,
 			     u8 *mac_addr, u32 ul_key_id)
@@ -176,7 +175,6 @@ int rtl_cam_delete_one_entry(struct ieee80211_hw *hw,
 	return 0;
 
 }
-//EXPORT_SYMBOL(rtl_cam_delete_one_entry);
 
 void rtl_cam_reset_all_entry(struct ieee80211_hw *hw)
 {
@@ -186,7 +184,6 @@ void rtl_cam_reset_all_entry(struct ieee80211_hw *hw)
 	ul_command = BIT(31) | BIT(30);
 	rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command);
 }
-//EXPORT_SYMBOL(rtl_cam_reset_all_entry);
 
 void rtl_cam_mark_invalid(struct ieee80211_hw *hw, u8 uc_index)
 {
@@ -227,7 +224,6 @@ void rtl_cam_mark_invalid(struct ieee80211_hw *hw, u8 uc_index)
 	RT_TRACE(COMP_SEC, DBG_DMESG,
 		 ("rtl_cam_mark_invalid(): WRITE A0: %x \n", ul_command));
 }
-//EXPORT_SYMBOL(rtl_cam_mark_invalid);
 
 void rtl_cam_empty_entry(struct ieee80211_hw *hw, u8 uc_index)
 {
@@ -281,7 +277,6 @@ void rtl_cam_empty_entry(struct ieee80211_hw *hw, u8 uc_index)
 	}
 
 }
-//EXPORT_SYMBOL(rtl_cam_empty_entry);
 
 u8 rtl_cam_get_free_entry(struct ieee80211_hw *hw, u8 *sta_addr)
 {
@@ -316,7 +311,6 @@ u8 rtl_cam_get_free_entry(struct ieee80211_hw *hw, u8 *sta_addr)
 	}
 	return TOTAL_CAM_ENTRY;
 }
-//EXPORT_SYMBOL(rtl_cam_get_free_entry);
 
 void rtl_cam_del_entry(struct ieee80211_hw *hw, u8 *sta_addr)
 {
@@ -349,4 +343,3 @@ void rtl_cam_del_entry(struct ieee80211_hw *hw, u8 *sta_addr)
 	}
 	return;
 }
-//EXPORT_SYMBOL(rtl_cam_del_entry);