diff --git a/klippy/extras/heaters.py b/klippy/extras/heaters.py
index e66168c5..9e2e148a 100644
--- a/klippy/extras/heaters.py
+++ b/klippy/extras/heaters.py
@@ -74,10 +74,10 @@ class Heater:
         pwm_time = read_time + self.pwm_delay
         self.next_pwm_time = pwm_time + 0.75 * MAX_HEAT_TIME
         self.last_pwm_value = value
-        logging.debug("%s: pwm=%.3f@%.3f (from %.3f@%.3f [%.3f])",
-                      self.name, value, pwm_time,
-                      self.last_temp, self.last_temp_time, self.target_temp)
         self.mcu_pwm.set_pwm(pwm_time, value)
+        #logging.debug("%s: pwm=%.3f@%.3f (from %.3f@%.3f [%.3f])",
+        #              self.name, value, pwm_time,
+        #              self.last_temp, self.last_temp_time, self.target_temp)
     def temperature_callback(self, read_time, temp):
         with self.lock:
             time_diff = read_time - self.last_temp_time