diff --git a/part3/README.md b/part3/README.md
index ff500f3..12bda97 100644
--- a/part3/README.md
+++ b/part3/README.md
@@ -148,13 +148,9 @@ unsigned int gpio_clear   (unsigned int pin_number, unsigned int value) { return
 unsigned int gpio_pull    (unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPPUPPDN0, 2, GPIO_MAX_PIN); }
 unsigned int gpio_function(unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPFSEL0, 3, GPIO_MAX_PIN); }
 
-void gpio_setPinFunction(unsigned int pin_number, unsigned int function) {
-    gpio_function(pin_number, function);
-}
-
 void gpio_useAsAlt5(unsigned int pin_number) {
     gpio_pull(pin_number, Pull_None);
-    gpio_setPinFunction(pin_number, GPIO_FUNCTION_ALT5);
+    gpio_function(pin_number, GPIO_FUNCTION_ALT5);
 }
 
 // UART
diff --git a/part3/io.c b/part3/io.c
index dbd7536..df81824 100644
--- a/part3/io.c
+++ b/part3/io.c
@@ -43,13 +43,9 @@ unsigned int gpio_clear   (unsigned int pin_number, unsigned int value) { return
 unsigned int gpio_pull    (unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPPUPPDN0, 2, GPIO_MAX_PIN); }
 unsigned int gpio_function(unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPFSEL0, 3, GPIO_MAX_PIN); }
 
-void gpio_setPinFunction(unsigned int pin_number, unsigned int function) {
-    gpio_function(pin_number, function);
-}
-
 void gpio_useAsAlt5(unsigned int pin_number) {
     gpio_pull(pin_number, Pull_None);
-    gpio_setPinFunction(pin_number, GPIO_FUNCTION_ALT5);
+    gpio_function(pin_number, GPIO_FUNCTION_ALT5);
 }
 
 // UART