diff --git a/Marlin/src/Marlin.cpp b/Marlin/src/Marlin.cpp
index 988d696add..976ae21da2 100644
--- a/Marlin/src/Marlin.cpp
+++ b/Marlin/src/Marlin.cpp
@@ -355,10 +355,6 @@ bool pin_is_protected(const int8_t pin) {
   return false;
 }
 
-#if HAS_COLOR_LEDS
-  #include "gcode/feature/leds/M150.h"
-#endif
-
 #include "gcode/config/M201.h"
 
 #if 0 // Not used for Sprinter/grbl gen6
diff --git a/Marlin/src/gcode/feature/leds/M150.h b/Marlin/src/gcode/feature/leds/M150.cpp
similarity index 90%
rename from Marlin/src/gcode/feature/leds/M150.h
rename to Marlin/src/gcode/feature/leds/M150.cpp
index 210616ea74..9608e90ee9 100644
--- a/Marlin/src/gcode/feature/leds/M150.h
+++ b/Marlin/src/gcode/feature/leds/M150.cpp
@@ -20,6 +20,13 @@
  *
  */
 
+#include "../../../inc/MarlinConfig.h"
+
+#if HAS_COLOR_LEDS
+
+#include "../../gcode.h"
+#include "../../../feature/leds/leds.h"
+
 /**
  * M150: Set Status LED Color - Use R-U-B-W for R-G-B-W
  *
@@ -34,7 +41,7 @@
  *   M150 W          ; Turn LED white using a white LED
  *
  */
-void gcode_M150() {
+void GcodeSuite::M150() {
   set_led_color(
     parser.seen('R') ? (parser.has_value() ? parser.value_byte() : 255) : 0,
     parser.seen('U') ? (parser.has_value() ? parser.value_byte() : 255) : 0,
@@ -44,3 +51,5 @@ void gcode_M150() {
     #endif
   );
 }
+
+#endif // HAS_COLOR_LEDS
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index 0d6e2b1552..c6fddf2580 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -116,7 +116,6 @@ void GcodeSuite::dwell(millis_t time) {
 //
 // Placeholders for non-migrated codes
 //
-extern void gcode_M150();
 extern void gcode_M163();
 extern void gcode_M164();
 extern void gcode_M165();
@@ -509,12 +508,8 @@ void GcodeSuite::process_next_command() {
       #endif
 
       #if HAS_COLOR_LEDS
-
-        case 150: // M150: Set Status LED Color
-          gcode_M150();
-          break;
-
-      #endif // HAS_COLOR_LEDS
+        case 150: M150(); break;  // M150: Set Status LED Color
+      #endif
 
       #if ENABLED(MIXING_EXTRUDER)
         case 163: // M163: Set a component weight for mixing extruder