diff --git a/cpu/lm4f120/periph/gpio.c b/cpu/lm4f120/periph/gpio.c
index 528d0de328945e6ae0f0cc5b5ce22b4c698cca57..76ded871e20fcc0e5cc62cac5328c8f1b5358041 100644
--- a/cpu/lm4f120/periph/gpio.c
+++ b/cpu/lm4f120/periph/gpio.c
@@ -92,14 +92,6 @@ typedef struct {
 
 static gpio_state_t gpio_config[NUM_OF_PORT][NUM_OF_PINS];
 
-static inline uint16_t _port_addr(gpio_t pin)
-{
-    const uint8_t port_num = _port_num(pin);
-    const uint32_t port_addr = _port_base[port_num];
-
-    return port_addr;
-}
-
 int gpio_init(gpio_t pin, gpio_mode_t mode)
 {
     const uint8_t port_num = _port_num(pin);