diff --git a/Heat.cpp b/Heat.cpp
index 02827ae..d45253a 100644
--- a/Heat.cpp
+++ b/Heat.cpp
@@ -182,7 +182,9 @@ void PID::Spin()
   if(!temperatureFault)
 	  platform->SetHeater(heater, result);
 
+#if 0 // debug
   char buffer[100];
   snprintf(buffer, ARRAY_SIZE(buffer), "Heat: e=%f, P=%f, I=%f, d=%f, r=%f\n", error, platform->PidKp(heater)*error, temp_iState, temp_dState, result);
   platform->Message(HOST_MESSAGE, buffer);
+#endif
 }
diff --git a/Release/RepRapFirmware-057m-dc42.bin b/Release/RepRapFirmware-057m-dc42.bin
index 84ee786..bb4eddc 100644
Binary files a/Release/RepRapFirmware-057m-dc42.bin and b/Release/RepRapFirmware-057m-dc42.bin differ