diff --git a/core/rtw_efuse.c b/core/rtw_efuse.c
index 110bea9..952676f 100644
--- a/core/rtw_efuse.c
+++ b/core/rtw_efuse.c
@@ -1071,28 +1071,11 @@ void EFUSE_ShadowMapUpdate(
 	EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen, bPseudoTest);
 
 	if (pEEPROM->bautoload_fail_flag == true)
-	{
 		_rtw_memset(pEEPROM->efuse_eeprom_data, 0xFF, mapLen);
-	}
 	else
-	{
-		#ifdef CONFIG_ADAPTOR_INFO_CACHING_FILE
-		if (_SUCCESS != retriveAdaptorInfoFile(pAdapter->registrypriv.adaptor_info_caching_file_path, pEEPROM)) {
-		#endif
-
 		Efuse_ReadAllMap(pAdapter, efuseType, pEEPROM->efuse_eeprom_data, bPseudoTest);
-
-		#ifdef CONFIG_ADAPTOR_INFO_CACHING_FILE
-			storeAdaptorInfoFile(pAdapter->registrypriv.adaptor_info_caching_file_path, pEEPROM);
-		}
-		#endif
-	}
-
-	/* PlatformMoveMemory((void *)&pHalData->EfuseMap[EFUSE_MODIFY_MAP][0], */
-	/* void *)&pHalData->EfuseMap[EFUSE_INIT_MAP][0], mapLen); */
 }/*  EFUSE_ShadowMapUpdate */
 
-
 /*-----------------------------------------------------------------------------
  * Function:	EFUSE_ShadowRead
  *
@@ -1199,50 +1182,3 @@ Efuse_InitSomeVar(
 	_rtw_memset((void *)&fakeBTEfuseInitMap[0], 0xff, EFUSE_BT_MAX_MAP_LEN);
 	_rtw_memset((void *)&fakeBTEfuseModifiedMap[0], 0xff, EFUSE_BT_MAX_MAP_LEN);
 }
-
-#ifdef CONFIG_ADAPTOR_INFO_CACHING_FILE
-/* include <rtw_eeprom.h> */
-
- int isAdaptorInfoFileValid(void)
-{
-	return true;
-}
-
-int storeAdaptorInfoFile(char *path, struct eeprom_priv * eeprom_priv)
-{
-	int ret =_SUCCESS;
-
-	if (path && eeprom_priv) {
-		ret = rtw_store_to_file(path, eeprom_priv->efuse_eeprom_data, EEPROM_MAX_SIZE_512);
-		if (ret == EEPROM_MAX_SIZE)
-			ret = _SUCCESS;
-		else
-			ret = _FAIL;
-	} else {
-		DBG_88E("%s NULL pointer\n",__func__);
-		ret =  _FAIL;
-	}
-	return ret;
-}
-
-int retriveAdaptorInfoFile(char *path, struct eeprom_priv * eeprom_priv)
-{
-	int ret = _SUCCESS;
-	mm_segment_t oldfs;
-	struct file *fp;
-
-	if (path && eeprom_priv) {
-
-		ret = rtw_retrive_from_file(path, eeprom_priv->efuse_eeprom_data, EEPROM_MAX_SIZE);
-
-		if (ret == EEPROM_MAX_SIZE)
-			ret = _SUCCESS;
-		else
-			ret = _FAIL;
-	} else {
-		DBG_88E("%s NULL pointer\n",__func__);
-		ret = _FAIL;
-	}
-	return ret;
-}
-#endif /* CONFIG_ADAPTOR_INFO_CACHING_FILE */
diff --git a/include/drv_types.h b/include/drv_types.h
index 11e6302..a6c752b 100644
--- a/include/drv_types.h
+++ b/include/drv_types.h
@@ -168,10 +168,6 @@ struct registry_priv
 
 	u8	hw_wps_pbc;//0:disable,1:enable
 
-#ifdef CONFIG_ADAPTOR_INFO_CACHING_FILE
-	char	adaptor_info_caching_file_path[PATH_LENGTH_MAX];
-#endif
-
 	u8	max_roaming_times; // the max number driver will try to roaming
 
 	u8 fw_iol; //enable iol without other concern
diff --git a/include/rtw_eeprom.h b/include/rtw_eeprom.h
index d44f596..b8828ad 100644
--- a/include/rtw_eeprom.h
+++ b/include/rtw_eeprom.h
@@ -130,13 +130,6 @@ extern void eeprom_write16(_adapter *padapter, u16 reg, u16 data);
 extern u16 eeprom_read16(_adapter *padapter, u16 reg);
 extern void read_eeprom_content(_adapter *padapter);
 extern void eeprom_read_sz(_adapter * padapter, u16 reg,u8* data, u32 sz);
-
 extern void read_eeprom_content_by_attrib(_adapter *	padapter	);
 
-#ifdef CONFIG_ADAPTOR_INFO_CACHING_FILE
-extern int isAdaptorInfoFileValid(void);
-extern int storeAdaptorInfoFile(char *path, struct eeprom_priv * eeprom_priv);
-extern int retriveAdaptorInfoFile(char *path, struct eeprom_priv * eeprom_priv);
-#endif //CONFIG_ADAPTOR_INFO_CACHING_FILE
-
 #endif  //__RTL871X_EEPROM_H__
diff --git a/os_dep/os_intfs.c b/os_dep/os_intfs.c
index 4b28f0f..3e1c7a1 100644
--- a/os_dep/os_intfs.c
+++ b/os_dep/os_intfs.c
@@ -199,11 +199,6 @@ module_param(rtw_hw_wps_pbc, int, 0644);
 #ifdef CONFIG_TX_EARLY_MODE
 module_param(rtw_early_mode, int, 0644);
 #endif
-#ifdef CONFIG_ADAPTOR_INFO_CACHING_FILE
-char *rtw_adaptor_info_caching_file_path= "/data/misc/wifi/rtw_cache";
-module_param(rtw_adaptor_info_caching_file_path, charp, 0644);
-MODULE_PARM_DESC(rtw_adaptor_info_caching_file_path, "The path of adapter info cache file");
-#endif //CONFIG_ADAPTOR_INFO_CACHING_FILE
 
 static uint rtw_max_roaming_times=2;
 module_param(rtw_max_roaming_times, uint, 0644);
@@ -711,10 +706,6 @@ _func_enter_;
 	registry_par->hwpdn_mode = (u8)rtw_hwpdn_mode;//0:disable,1:enable,2:by EFUSE config
 	registry_par->hwpwrp_detect = (u8)rtw_hwpwrp_detect;//0:disable,1:enable
 	registry_par->hw_wps_pbc = (u8)rtw_hw_wps_pbc;
-#ifdef CONFIG_ADAPTOR_INFO_CACHING_FILE
-	snprintf(registry_par->adaptor_info_caching_file_path, PATH_LENGTH_MAX, "%s", rtw_adaptor_info_caching_file_path);
-	registry_par->adaptor_info_caching_file_path[PATH_LENGTH_MAX-1]=0;
-#endif
 
 	registry_par->max_roaming_times = (u8)rtw_max_roaming_times;