diff --git a/examples/stm32/stm32-h103/button/button.c b/examples/stm32/stm32-h103/button/button.c
index 0380679c..63f32744 100644
--- a/examples/stm32/stm32-h103/button/button.c
+++ b/examples/stm32/stm32-h103/button/button.c
@@ -49,8 +49,7 @@ void button_setup(void)
 
 	/* Set GPIO0 (in GPIO port A) to 'input open-drain'. */
 	gpio_set_mode(GPIOA, GPIO_MODE_INPUT,
-		      GPIO_CNF_INPUT_PULL_UPDOWN, GPIO0);
-	gpio_set(GPIOA, GPIO0);
+		      GPIO_CNF_INPUT_FLOAT, GPIO0);
 
 }
 
diff --git a/examples/stm32/stm32-h103/exti_both/exti_both.c b/examples/stm32/stm32-h103/exti_both/exti_both.c
index 62c57fe0..da4c5b60 100644
--- a/examples/stm32/stm32-h103/exti_both/exti_both.c
+++ b/examples/stm32/stm32-h103/exti_both/exti_both.c
@@ -55,8 +55,7 @@ void exti_setup(void)
 
 	/* Set GPIO0 (in GPIO port A) to 'input open-drain'. */
 	gpio_set_mode(GPIOA, GPIO_MODE_INPUT,
-		      GPIO_CNF_INPUT_PULL_UPDOWN, GPIO0);
-	gpio_set(GPIOA, GPIO0);
+		      GPIO_CNF_INPUT_FLOAT, GPIO0);
 
 	/* configure EXTI subsystem */
 	exti_select_source(EXTI0, GPIOA);
diff --git a/examples/stm32/stm32-h103/exti_rising_falling/exti_rising_falling.c b/examples/stm32/stm32-h103/exti_rising_falling/exti_rising_falling.c
index f50047bc..af1268d6 100644
--- a/examples/stm32/stm32-h103/exti_rising_falling/exti_rising_falling.c
+++ b/examples/stm32/stm32-h103/exti_rising_falling/exti_rising_falling.c
@@ -58,8 +58,7 @@ void exti_setup(void)
 
 	/* Set GPIO0 (in GPIO port A) to 'input open-drain'. */
 	gpio_set_mode(GPIOA, GPIO_MODE_INPUT,
-		      GPIO_CNF_INPUT_PULL_UPDOWN, GPIO0);
-	gpio_set(GPIOA, GPIO0);
+		      GPIO_CNF_INPUT_FLOAT, GPIO0);
 
 	/* configure EXTI subsystem */
 	exti_select_source(EXTI0, GPIOA);