diff --git a/cpu/stm32_common/periph/gpio.c b/cpu/stm32_common/periph/gpio.c
index b28f391cd8..4c47568f24 100644
--- a/cpu/stm32_common/periph/gpio.c
+++ b/cpu/stm32_common/periph/gpio.c
@@ -94,9 +94,8 @@ int gpio_init(gpio_t pin, gpio_mode_t mode)
     /* set output mode */
     port->OTYPER &= ~(1 << pin_num);
     port->OTYPER |=  (((mode >> 4) & 0x1) << pin_num);
-    /* finally set pin speed to maximum and reset output */
+    /* set pin speed to maximum */
     port->OSPEEDR |= (3 << (2 * pin_num));
-    port->BSRR = (1 << (pin_num + 16));
 
     return 0;
 }
diff --git a/cpu/stm32f1/periph/gpio.c b/cpu/stm32f1/periph/gpio.c
index 2293c05b3d..99c4cb0177 100644
--- a/cpu/stm32f1/periph/gpio.c
+++ b/cpu/stm32f1/periph/gpio.c
@@ -89,9 +89,6 @@ int gpio_init(gpio_t pin, gpio_mode_t mode)
     /* set pin mode */
     port->CR[pin_num >> 3] &= ~(0xf << ((pin_num & 0x7) * 4));
     port->CR[pin_num >> 3] |=  ((mode & MODE_MASK) << ((pin_num & 0x7) * 4));
-    /* set initial state of output register */
-    port->BRR = (1 << pin_num);
-    port->BSRR = ((mode >> ODR_POS) << pin_num);
 
     return 0; /* all OK */
 }