diff --git a/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c b/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c
index b6659ae1e2..b5be3b59d8 100755
--- a/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c
+++ b/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c
@@ -955,7 +955,7 @@ HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, uin
     count32b = ((uint32_t)len + 3U) / 4U;
     for (i = 0U; i < count32b; i++)
     {
-      USBx_DFIFO((uint32_t)ch_ep_num) = *((__packed uint32_t *)pSrc);
+      USBx_DFIFO((uint32_t)ch_ep_num) = *((uint32_t *)pSrc);
       pSrc++;
     }
   }
@@ -984,7 +984,7 @@ void *USB_ReadPacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *dest, uint16_t len)
 
   for (i = 0U; i < count32b; i++)
   {
-    *(__packed uint32_t *)pDest = USBx_DFIFO(0U);
+    *(uint32_t *)pDest = USBx_DFIFO(0U);
     pDest++;
   }
 
diff --git a/lib/main/STM32_USB_OTG_Driver/src/usb_core.c b/lib/main/STM32_USB_OTG_Driver/src/usb_core.c
index 6c552896b5..bdd8881380 100644
--- a/lib/main/STM32_USB_OTG_Driver/src/usb_core.c
+++ b/lib/main/STM32_USB_OTG_Driver/src/usb_core.c
@@ -180,7 +180,7 @@ USB_OTG_STS USB_OTG_WritePacket(USB_OTG_CORE_HANDLE *pdev,
     fifo = pdev->regs.DFIFO[ch_ep_num];
     for (i = 0; i < count32b; i++)
     {
-      USB_OTG_WRITE_REG32( fifo, *((__packed uint32_t *)src) );
+      USB_OTG_WRITE_REG32( fifo, *((uint32_t *)src) );
       src+=4;
     }
   }
@@ -206,7 +206,7 @@ void *USB_OTG_ReadPacket(USB_OTG_CORE_HANDLE *pdev,
   
   for( i = 0; i < count32b; i++)
   {
-    *(__packed uint32_t *)dest = USB_OTG_READ_REG32(fifo);
+    *(uint32_t *)dest = USB_OTG_READ_REG32(fifo);
     dest += 4 ;
   }
   return ((void *)dest);