diff --git a/Marlin/src/Marlin.cpp b/Marlin/src/Marlin.cpp
index f55673646..3459f36c0 100644
--- a/Marlin/src/Marlin.cpp
+++ b/Marlin/src/Marlin.cpp
@@ -374,8 +374,6 @@ bool pin_is_protected(const int8_t pin) {
   return false;
 }
 
-#include "gcode/temperature/M105.h"
-
 #if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
 
   static uint8_t auto_report_temp_interval;
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index 15d3e80f6..fa7a69771 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -124,7 +124,6 @@ extern void gcode_M83();
 extern void gcode_M85();
 extern void gcode_M92();
 extern void gcode_M100();
-extern void gcode_M105();
 extern void gcode_M106();
 extern void gcode_M107();
 extern void gcode_M108();
@@ -493,7 +492,7 @@ void GcodeSuite::process_next_command() {
 
 
       case 105: // M105: Report current temperature
-        gcode_M105();
+        M105();
         KEEPALIVE_STATE(NOT_BUSY);
         return; // "ok" already printed
 
diff --git a/Marlin/src/gcode/temperature/M105.h b/Marlin/src/gcode/temperature/M105.cpp
similarity index 89%
rename from Marlin/src/gcode/temperature/M105.h
rename to Marlin/src/gcode/temperature/M105.cpp
index 627e991d6..e4417c6af 100644
--- a/Marlin/src/gcode/temperature/M105.h
+++ b/Marlin/src/gcode/temperature/M105.cpp
@@ -20,11 +20,14 @@
  *
  */
 
+#include "../gcode.h"
+#include "../../module/temperature.h"
+
 /**
  * M105: Read hot end and bed temperature
  */
-void gcode_M105() {
-  if (gcode.get_target_extruder_from_command()) return;
+void GcodeSuite::M105() {
+  if (get_target_extruder_from_command()) return;
 
   #if HAS_TEMP_HOTEND || HAS_TEMP_BED
     SERIAL_PROTOCOLPGM(MSG_OK);