diff --git a/Marlin/src/gcode/config/M217.cpp b/Marlin/src/gcode/config/M217.cpp
index bcdaf4e68..31271ba2c 100644
--- a/Marlin/src/gcode/config/M217.cpp
+++ b/Marlin/src/gcode/config/M217.cpp
@@ -27,10 +27,6 @@
 #include "../gcode.h"
 #include "../../module/tool_change.h"
 
-#if NUM_SERIAL > 1
-  #include "../../gcode/queue.h"
-#endif
-
 void M217_report(const bool eeprom=false) {
 
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
diff --git a/Marlin/src/gcode/eeprom/M500-M504.cpp b/Marlin/src/gcode/eeprom/M500-M504.cpp
index d13e1718d..12e323bd7 100644
--- a/Marlin/src/gcode/eeprom/M500-M504.cpp
+++ b/Marlin/src/gcode/eeprom/M500-M504.cpp
@@ -29,10 +29,6 @@
   #include "../../lcd/extensible_ui/ui_api.h"
 #endif
 
-#if NUM_SERIAL > 1
-  #include "../../gcode/queue.h"
-#endif
-
 /**
  * M500: Store settings in EEPROM
  */
diff --git a/Marlin/src/gcode/host/M115.cpp b/Marlin/src/gcode/host/M115.cpp
index f0b9ac0ae..952fef93d 100644
--- a/Marlin/src/gcode/host/M115.cpp
+++ b/Marlin/src/gcode/host/M115.cpp
@@ -23,10 +23,6 @@
 #include "../gcode.h"
 #include "../../inc/MarlinConfig.h"
 
-#if NUM_SERIAL > 1
-  #include "../../gcode/queue.h"
-#endif
-
 #if ENABLED(EXTENDED_CAPABILITIES_REPORT)
   static void cap_line(PGM_P const name, bool ena=false) {
     SERIAL_ECHOPGM("Cap:");
diff --git a/Marlin/src/gcode/stats/M31.cpp b/Marlin/src/gcode/stats/M31.cpp
index 1a6d3e8d1..dbda27e09 100644
--- a/Marlin/src/gcode/stats/M31.cpp
+++ b/Marlin/src/gcode/stats/M31.cpp
@@ -26,10 +26,6 @@
 #include "../../libs/duration_t.h"
 #include "../../lcd/ultralcd.h"
 
-#if NUM_SERIAL > 1
-  #include "../../gcode/queue.h"
-#endif
-
 /**
  * M31: Get the time since the start of SD Print (or last M109)
  */
diff --git a/Marlin/src/gcode/temperature/M105.cpp b/Marlin/src/gcode/temperature/M105.cpp
index ec366b23f..ea613e631 100644
--- a/Marlin/src/gcode/temperature/M105.cpp
+++ b/Marlin/src/gcode/temperature/M105.cpp
@@ -23,10 +23,6 @@
 #include "../gcode.h"
 #include "../../module/temperature.h"
 
-#if NUM_SERIAL > 1
-  #include "../../gcode/queue.h"
-#endif
-
 /**
  * M105: Read hot end and bed temperature
  */