diff --git a/boil_kettle/slowPWM.ino b/boil_kettle/slowPWM.ino
index 5ec4777..acf5eb9 100644
--- a/boil_kettle/slowPWM.ino
+++ b/boil_kettle/slowPWM.ino
@@ -5,7 +5,6 @@
 // dutyCycle (byte)       - PWM period from 0 - 100.
 void slowPWM(byte outputPin, byte dutyCycle, unsigned long period)
 {
-  pinMode(outputPin, OUTPUT);
   static byte outputState = LOW;
   static unsigned long lastSwitchTime = 0;