From 8faa31df5427be7001affd28a96cf6886e9d1f49 Mon Sep 17 00:00:00 2001
From: ellensp <ellensp@hotmail.com>
Date: Thu, 30 Jul 2020 14:26:18 +1200
Subject: [PATCH] No HEATER_0_PIN needed with 0 EXTRUDERS (#18827)

---
 Marlin/src/inc/SanityCheck.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 9fb742f5057..1db779b31e5 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1797,7 +1797,7 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
 /**
  * Test Heater, Temp Sensor, and Extruder Pins
  */
-#if !HAS_HEATER_0
+#if !HAS_HEATER_0 && EXTRUDERS
   #error "HEATER_0_PIN not defined for this board."
 #elif !ANY_PIN(TEMP_0, MAX6675_SS)
   #error "TEMP_0_PIN not defined for this board."