diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index 2088e23237b5..c4587ceba1e4 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -24,9 +24,6 @@
  * temperature.cpp - temperature control
  */
 
-// Useful when debugging thermocouples
-//#define IGNORE_THERMOCOUPLE_ERRORS
-
 #include "temperature.h"
 #include "endstops.h"