diff --git a/platform_config.h b/platform_config.h
--- a/platform_config.h
+++ b/platform_config.h
@@ -96,65 +96,9 @@
 #endif
 
 /* Define the STM32F10x hardware depending on the used evaluation board */
-#ifdef USE_STM3210B_EVAL
-  #define USB_DISCONNECT                      GPIOD  
-  #define USB_DISCONNECT_PIN                  GPIO_Pin_9
-  #define RCC_APB2Periph_GPIO_DISCONNECT      RCC_APB2Periph_GPIOD
-  #define EVAL_COM1_IRQHandler                USART1_IRQHandler 
-
-#elif defined (USE_STM3210E_EVAL)
-  #define USB_DISCONNECT                      GPIOB  
-  #define USB_DISCONNECT_PIN                  GPIO_Pin_14
-  #define RCC_APB2Periph_GPIO_DISCONNECT      RCC_APB2Periph_GPIOB
-  #define EVAL_COM1_IRQHandler                USART1_IRQHandler 
- 
-
-#elif defined (USE_STM32L152_EVAL) || defined (USE_STM32L152D_EVAL)
- /* 
-   For STM32L15xx devices it is possible to use the internal USB pullup
-   controlled by register SYSCFG_PMC (refer to RM0038 reference manual for
-   more details).
-   It is also possible to use external pullup (and disable the internal pullup)
-   by setting the define USB_USE_EXTERNAL_PULLUP in file platform_config.h
-   and configuring the right pin to be used for the external pull up configuration.
-   To have more details on how to use an external pull up, please refer to 
-   STM3210E-EVAL evaluation board manuals.
-   */
- /* Uncomment the following define to use an external pull up instead of the 
-    integrated STM32L15xx internal pull up. In this case make sure to set up
-    correctly the external required hardware and the GPIO defines below.*/
-/* #define USB_USE_EXTERNAL_PULLUP */
-
- #if !defined(USB_USE_EXTERNAL_PULLUP)
-  #define STM32L15_USB_CONNECT                SYSCFG_USBPuCmd(ENABLE)
-  #define STM32L15_USB_DISCONNECT             SYSCFG_USBPuCmd(DISABLE)
-
- #elif defined(USB_USE_EXTERNAL_PULLUP)
-  /* PA0 is chosen just as illustrating example, you should modify the defines
-    below according to your hardware configuration. */ 
-  #define USB_DISCONNECT                      GPIOA
-  #define USB_DISCONNECT_PIN                  GPIO_Pin_0
-  #define RCC_AHBPeriph_GPIO_DISCONNECT       RCC_AHBPeriph_GPIOA
-  #define STM32L15_USB_CONNECT                GPIO_ResetBits(USB_DISCONNECT, USB_DISCONNECT_PIN)
-  #define STM32L15_USB_DISCONNECT             GPIO_SetBits(USB_DISCONNECT, USB_DISCONNECT_PIN)
- #endif /* USB_USE_EXTERNAL_PULLUP */
-
-#elif defined (USE_STM32373C_EVAL)
-  #define USB_DISCONNECT                      GPIOC  
-  #define USB_DISCONNECT_PIN                  GPIO_Pin_5
-  #define RCC_AHBPeriph_GPIO_DISCONNECT       RCC_AHBPeriph_GPIOC
-
-#elif defined (USE_STM32303C_EVAL)
-  #define USB_DISCONNECT                      GPIOB  
-  #define USB_DISCONNECT_PIN                  GPIO_Pin_8
-  #define RCC_AHBPeriph_GPIO_DISCONNECT       RCC_AHBPeriph_GPIOB
-#endif /* USE_STM3210B_EVAL */
-
-#if defined (USE_STM32L152_EVAL) || (USE_STM32373C_EVAL)
- #define EVAL_COM1_IRQHandler                USART2_IRQHandler
-#elif defined (USE_STM32L152D_EVAL) || (USE_STM32303C_EVAL)
- #define EVAL_COM1_IRQHandler              USART1_IRQHandler
-#endif
+#define USB_DISCONNECT                      GPIOA  
+#define USB_DISCONNECT_PIN                  GPIO_Pin_10
+#define RCC_APB2Periph_GPIO_DISCONNECT      RCC_APB2Periph_GPIOA
 
 /* Exported macro ------------------------------------------------------------*/
 /* Exported functions ------------------------------------------------------- */