diff --git a/miosix/arch/cortexM3_stm32/stm32f103cx_generic/interfaces-impl/bsp.cpp b/miosix/arch/cortexM3_stm32/stm32f103cx_generic/interfaces-impl/bsp.cpp
index 0c92ed31746328dea927df612445548ed11ea9dc..6f7a2743e9964bdb4ba92d04c6cf83573b82d0a1 100644
--- a/miosix/arch/cortexM3_stm32/stm32f103cx_generic/interfaces-impl/bsp.cpp
+++ b/miosix/arch/cortexM3_stm32/stm32f103cx_generic/interfaces-impl/bsp.cpp
@@ -51,10 +51,10 @@ namespace miosix {
 
 void IRQbspInit()
 {
-    //Enable all gpios, as well as AFIO, SPI1, TIM3
+    //Enable all gpios, as well as AFIO
     RCC->APB2ENR |= RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN |
                     RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN |
-                    RCC_APB2ENR_AFIOEN | RCC_APB2ENR_SPI1EN;
+                    RCC_APB2ENR_AFIOEN;
     RCC->APB1ENR |= RCC_APB1ENR_PWREN;
     RCC_SYNC();