diff --git a/include/osi_core.h b/include/osi_core.h
index 2bf6fe5..3d2d094 100644
--- a/include/osi_core.h
+++ b/include/osi_core.h
@@ -78,7 +78,6 @@ typedef my_lint_64		nvel64_t;
 #define OSI_CMD_PTP_RXQ_ROUTE		35U
 #define OSI_CMD_CONFIG_RSS		37U
 #define OSI_CMD_CONFIG_FW_ERR		29U
-#define OSI_CMD_START_MAC		5U
 #define OSI_CMD_SET_MODE		16U
 #define OSI_CMD_POLL_FOR_MAC_RST	4U
 #define OSI_CMD_GET_MAC_VER		10U
@@ -232,7 +231,6 @@ typedef my_lint_64		nvel64_t;
  * @{
  */
 #define OSI_CMD_L3L4_FILTER		3U
-#define OSI_CMD_STOP_MAC		6U
 #define OSI_CMD_COMMON_ISR		7U
 #define OSI_CMD_PAD_CALIBRATION		8U
 #define OSI_CMD_READ_MMC		9U
@@ -1582,10 +1580,6 @@ nve32_t osi_init_core_ops(struct osi_core_priv_data *const osi_core);
  *	arg1_u32 - CSR (AXI CBB) clock rate.
  *  - OSI_CMD_POLL_FOR_MAC_RST
  *	Poll Software reset bit in MAC HW
- *  - OSI_CMD_START_MAC
- *	Start MAC Tx/Rx engine
- *  - OSI_CMD_STOP_MAC
- *	Stop MAC Tx/Rx engine
  *  - OSI_CMD_COMMON_ISR
  *	Common ISR handler
  *  - OSI_CMD_PAD_CALIBRATION
diff --git a/osi/core/ivc_core.c b/osi/core/ivc_core.c
index 5d77efe..7b4a2a5 100644
--- a/osi/core/ivc_core.c
+++ b/osi/core/ivc_core.c
@@ -123,8 +123,7 @@ static void ivc_core_deinit(struct osi_core_priv_data *const osi_core)
 
 	osi_memset(&msg, 0, sizeof(msg));
 
-	msg.cmd = handle_ioctl;
-	msg.data.ioctl_data.cmd = OSI_CMD_STOP_MAC;
+	msg.cmd = core_deinit;
 
 	ret = osi_core->osd_ops.ivc_send(osi_core, &msg, sizeof(msg));
 	if (ret < 0) {
diff --git a/osi/core/osi_hal.c b/osi/core/osi_hal.c
index 211988a..cc4eace 100644
--- a/osi/core/osi_hal.c
+++ b/osi/core/osi_hal.c
@@ -2157,10 +2157,6 @@ static void store_l2_filter(struct osi_core_priv_data *osi_core,
  *	Restore backup of MAC MMIO address space
  *  - OSI_CMD_POLL_FOR_MAC_RST
  *	Poll Software reset bit in MAC HW
- *  - OSI_CMD_START_MAC
- *	Start MAC Tx/Rx engine
- *  - OSI_CMD_STOP_MAC
- *	Stop MAC Tx/Rx engine
  *  - OSI_CMD_COMMON_ISR
  *	Common ISR handler
  *  - OSI_CMD_PAD_CALIBRATION
@@ -2413,15 +2409,6 @@ static nve32_t osi_hal_handle_ioctl(struct osi_core_priv_data *osi_core,
 		ret = hw_poll_for_swr(osi_core);
 		break;
 
-	case OSI_CMD_START_MAC:
-		hw_start_mac(osi_core);
-		ret = 0;
-		break;
-
-	case OSI_CMD_STOP_MAC:
-		hw_stop_mac(osi_core);
-		ret = 0;
-		break;
 	case OSI_CMD_GET_MAC_VER:
 		ret = osi_get_mac_version(osi_core, &data->arg1_u32);
 		break;