diff --git a/stm32l1xx_it.c b/stm32l1xx_it.c
--- a/stm32l1xx_it.c
+++ b/stm32l1xx_it.c
@@ -160,11 +160,7 @@ void SysTick_Handler(void)
 * Output         : None
 * Return         : None
 *******************************************************************************/
-#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)|| defined (STM32F37X)
 void USB_LP_IRQHandler(void)
-#else
-void USB_LP_CAN1_RX0_IRQHandler(void)
-#endif
 {
   USB_Istr();
 }
@@ -176,12 +172,7 @@ void USB_LP_CAN1_RX0_IRQHandler(void)
 * Output         : None
 * Return         : None
 *******************************************************************************/
-
-#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)
 void USB_FS_WKUP_IRQHandler(void)
-#else
-void USBWakeUp_IRQHandler(void)
-#endif
 {
   EXTI_ClearITPendingBit(EXTI_Line18);
 }