#define MCU_CMD_UNI_EXT_ACK                    (MCU_CMD_ACK | MCU_CMD_UNI | \
                                                 MCU_CMD_QUERY)
 
-#define MCU_FW_PREFIX                          BIT(31)
 #define MCU_UNI_PREFIX                         BIT(30)
 #define MCU_CE_PREFIX                          BIT(29)
-#define MCU_CMD_MASK                           ~(MCU_FW_PREFIX | MCU_UNI_PREFIX |      \
-                                                 MCU_CE_PREFIX)
+#define MCU_CMD_MASK                           ~(MCU_UNI_PREFIX | MCU_CE_PREFIX)
 
 #define __MCU_CMD_FIELD_ID                     GENMASK(7, 0)
 #define __MCU_CMD_FIELD_EXT_ID                 GENMASK(15, 8)
 };
 
 enum {
-       MCU_CMD_TARGET_ADDRESS_LEN_REQ = MCU_FW_PREFIX | 0x01,
-       MCU_CMD_FW_START_REQ = MCU_FW_PREFIX | 0x02,
+       MCU_CMD_TARGET_ADDRESS_LEN_REQ = 0x01,
+       MCU_CMD_FW_START_REQ = 0x02,
        MCU_CMD_INIT_ACCESS_REG = 0x3,
-       MCU_CMD_NIC_POWER_CTRL = MCU_FW_PREFIX | 0x4,
-       MCU_CMD_PATCH_START_REQ = MCU_FW_PREFIX | 0x05,
-       MCU_CMD_PATCH_FINISH_REQ = MCU_FW_PREFIX | 0x07,
-       MCU_CMD_PATCH_SEM_CONTROL = MCU_FW_PREFIX | 0x10,
+       MCU_CMD_NIC_POWER_CTRL = 0x4,
+       MCU_CMD_PATCH_START_REQ = 0x05,
+       MCU_CMD_PATCH_FINISH_REQ = 0x07,
+       MCU_CMD_PATCH_SEM_CONTROL = 0x10,
        MCU_CMD_WA_PARAM = 0xc4,
        MCU_CMD_EXT_CID = 0xed,
-       MCU_CMD_FW_SCATTER = MCU_FW_PREFIX | 0xee,
-       MCU_CMD_RESTART_DL_REQ = MCU_FW_PREFIX | 0xef,
+       MCU_CMD_FW_SCATTER = 0xee,
+       MCU_CMD_RESTART_DL_REQ = 0xef,
 };
 
 /* offload mcu commands */