diff --git a/Marlin/src/lcd/extui/anycubic_chiron/chiron_extui.cpp b/Marlin/src/lcd/extui/anycubic_chiron/chiron_extui.cpp
index 4ed0461afe0e..c29f165d2423 100644
--- a/Marlin/src/lcd/extui/anycubic_chiron/chiron_extui.cpp
+++ b/Marlin/src/lcd/extui/anycubic_chiron/chiron_extui.cpp
@@ -49,7 +49,7 @@ namespace ExtUI {
   void onMediaError()    { chiron.mediaEvent(AC_media_error);    }
   void onMediaRemoved()  { chiron.mediaEvent(AC_media_removed);  }
 
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {
     #if ENABLED(SPEAKER)
       ::tone(BEEPER_PIN, frequency, duration);
     #endif
diff --git a/Marlin/src/lcd/extui/anycubic_i3mega/anycubic_extui.cpp b/Marlin/src/lcd/extui/anycubic_i3mega/anycubic_extui.cpp
index 2bd2a458b879..0006091cda2b 100644
--- a/Marlin/src/lcd/extui/anycubic_i3mega/anycubic_extui.cpp
+++ b/Marlin/src/lcd/extui/anycubic_i3mega/anycubic_extui.cpp
@@ -41,7 +41,7 @@ namespace ExtUI {
   void onMediaInserted()  { anycubicTFT.onSDCardStateChange(true); }
   void onMediaError()     { anycubicTFT.onSDCardError(); }
   void onMediaRemoved()   { anycubicTFT.onSDCardStateChange(false); }
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {
     TERN_(SPEAKER, ::tone(BEEPER_PIN, frequency, duration));
   }
   void onPrintTimerStarted()  { anycubicTFT.onPrintTimerStarted(); }
diff --git a/Marlin/src/lcd/extui/anycubic_vyper/vyper_extui.cpp b/Marlin/src/lcd/extui/anycubic_vyper/vyper_extui.cpp
index 470fe10c43a3..d4351a4dab6f 100644
--- a/Marlin/src/lcd/extui/anycubic_vyper/vyper_extui.cpp
+++ b/Marlin/src/lcd/extui/anycubic_vyper/vyper_extui.cpp
@@ -49,7 +49,7 @@ namespace ExtUI {
   void onMediaError()    { dgus.mediaEvent(AC_media_error);    }
   void onMediaRemoved()  { dgus.mediaEvent(AC_media_removed);  }
 
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {
     #if ENABLED(SPEAKER)
       ::tone(BEEPER_PIN, frequency, duration);
     #endif
diff --git a/Marlin/src/lcd/extui/dgus/dgus_extui.cpp b/Marlin/src/lcd/extui/dgus/dgus_extui.cpp
index 30d1c710b213..b956d62b36fb 100644
--- a/Marlin/src/lcd/extui/dgus/dgus_extui.cpp
+++ b/Marlin/src/lcd/extui/dgus/dgus_extui.cpp
@@ -52,7 +52,7 @@ namespace ExtUI {
   void onMediaError()    { TERN_(HAS_MEDIA, screen.sdCardError()); }
   void onMediaRemoved()  { TERN_(HAS_MEDIA, screen.sdCardRemoved()); }
 
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {}
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {}
   void onPrintTimerStarted() {}
   void onPrintTimerPaused() {}
   void onPrintTimerStopped() {}
diff --git a/Marlin/src/lcd/extui/dgus/mks/DGUSDisplayDef.cpp b/Marlin/src/lcd/extui/dgus/mks/DGUSDisplayDef.cpp
index 5878d145ea76..d78364cb3bc1 100644
--- a/Marlin/src/lcd/extui/dgus/mks/DGUSDisplayDef.cpp
+++ b/Marlin/src/lcd/extui/dgus/mks/DGUSDisplayDef.cpp
@@ -33,7 +33,7 @@
 #include "../../../../module/planner.h"
 
 #include "../../ui_api.h"
-#include "../../../marlinui.h"
+#include "../../../marlinui.h" // For material presets
 
 #if HAS_STEALTHCHOP
   #include "../../../../module/stepper/trinamic.h"
diff --git a/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSDisplay.h b/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSDisplay.h
index 8d8a3cf01393..f635c3191b7d 100644
--- a/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSDisplay.h
+++ b/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSDisplay.h
@@ -71,7 +71,7 @@ class DGUSDisplay {
     write(addr, static_cast<const void*>(&data), sizeof(T));
   }
 
-  // Until now I did not need to actively read from the display. That's why there is no ReadVariable
+  // Until now I did not need to actively read from the display. That's why there is no readVariable
   // (I extensively use the auto upload of the display)
 
   // Read GUI and OS version from screen
diff --git a/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.cpp b/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.cpp
index 94c881f3842f..58313e433343 100644
--- a/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.cpp
+++ b/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.cpp
@@ -281,7 +281,7 @@ void DGUSScreenHandler::configurationStoreRead(bool success) {
   }
 }
 
-void DGUSScreenHandler::playTone(const uint16_t frequency, const uint16_t duration) {
+void DGUSScreenHandler::playTone(const uint16_t frequency, const uint16_t duration/*=0*/) {
   if (WITHIN(frequency, 1, 255)) {
     if (WITHIN(duration, 1, 255))
       dgus.playSound((uint8_t)frequency, (uint8_t)duration);
diff --git a/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.h b/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.h
index 9220f09aa3f7..a5f053043c7a 100644
--- a/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.h
+++ b/Marlin/src/lcd/extui/dgus_e3s1pro/DGUSScreenHandler.h
@@ -99,7 +99,7 @@ class DGUSScreenHandler {
   static void configurationStoreWritten(bool success);
   static void configurationStoreRead(bool success);
 
-  static void playTone(const uint16_t frequency, const uint16_t duration);
+  static void playTone(const uint16_t frequency, const uint16_t duration=0);
   static void angryBeeps(const uint8_t beepCount);
 
   static void levelingStart();
diff --git a/Marlin/src/lcd/extui/dgus_e3s1pro/dgus_e3s1pro_extui.cpp b/Marlin/src/lcd/extui/dgus_e3s1pro/dgus_e3s1pro_extui.cpp
index 4916c0b59e38..fbd8c994c7f8 100644
--- a/Marlin/src/lcd/extui/dgus_e3s1pro/dgus_e3s1pro_extui.cpp
+++ b/Marlin/src/lcd/extui/dgus_e3s1pro/dgus_e3s1pro_extui.cpp
@@ -59,7 +59,7 @@ namespace ExtUI {
   void onMediaError()    { TERN_(HAS_MEDIA, screen.sdCardError()); }
   void onMediaRemoved()  { TERN_(HAS_MEDIA, screen.sdCardRemoved()); }
 
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {
     screen.playTone(frequency, duration);
   }
 
diff --git a/Marlin/src/lcd/extui/dgus_reloaded/DGUSDisplay.h b/Marlin/src/lcd/extui/dgus_reloaded/DGUSDisplay.h
index 7c27162ce657..63830ddee585 100644
--- a/Marlin/src/lcd/extui/dgus_reloaded/DGUSDisplay.h
+++ b/Marlin/src/lcd/extui/dgus_reloaded/DGUSDisplay.h
@@ -74,7 +74,7 @@ class DGUSDisplay {
     write(addr, static_cast<const void*>(&data), sizeof(T));
   }
 
-  // Until now I did not need to actively read from the display. That's why there is no ReadVariable
+  // Until now I did not need to actively read from the display. That's why there is no readVariable
   // (I extensively use the auto upload of the display)
 
   // Read GUI and OS version from screen
diff --git a/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.cpp b/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.cpp
index 703c56d1e116..87a0f6ce1228 100644
--- a/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.cpp
+++ b/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.cpp
@@ -224,7 +224,7 @@ void DGUSScreenHandler::configurationStoreRead(bool success) {
   }
 }
 
-void DGUSScreenHandler::playTone(const uint16_t frequency, const uint16_t duration) {
+void DGUSScreenHandler::playTone(const uint16_t frequency, const uint16_t duration/*=0*/) {
   if (WITHIN(frequency, 1, 255)) {
     if (WITHIN(duration, 1, 255))
       dgus.playSound((uint8_t)frequency, (uint8_t)duration);
diff --git a/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.h b/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.h
index e5942ad44d5b..2cffd55e2319 100644
--- a/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.h
+++ b/Marlin/src/lcd/extui/dgus_reloaded/DGUSScreenHandler.h
@@ -45,7 +45,7 @@ class DGUSScreenHandler {
   static void configurationStoreWritten(bool success);
   static void configurationStoreRead(bool success);
 
-  static void playTone(const uint16_t frequency, const uint16_t duration);
+  static void playTone(const uint16_t frequency, const uint16_t duration=0);
   static void meshUpdate(const int8_t xpos, const int8_t ypos);
   static void printTimerStarted();
   static void printTimerPaused();
diff --git a/Marlin/src/lcd/extui/dgus_reloaded/dgus_reloaded_extui.cpp b/Marlin/src/lcd/extui/dgus_reloaded/dgus_reloaded_extui.cpp
index 68e405776e9d..3e4911f765ca 100644
--- a/Marlin/src/lcd/extui/dgus_reloaded/dgus_reloaded_extui.cpp
+++ b/Marlin/src/lcd/extui/dgus_reloaded/dgus_reloaded_extui.cpp
@@ -54,7 +54,7 @@ namespace ExtUI {
   void onMediaError()    { TERN_(HAS_MEDIA, screen.sdCardError()); }
   void onMediaRemoved()  { TERN_(HAS_MEDIA, screen.sdCardRemoved()); }
 
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {
     screen.playTone(frequency, duration);
   }
 
diff --git a/Marlin/src/lcd/extui/example/example.cpp b/Marlin/src/lcd/extui/example/example.cpp
index e78e4b967987..46faa49868f5 100644
--- a/Marlin/src/lcd/extui/example/example.cpp
+++ b/Marlin/src/lcd/extui/example/example.cpp
@@ -50,7 +50,7 @@ namespace ExtUI {
   void onMediaInserted() {}
   void onMediaError() {}
   void onMediaRemoved() {}
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {}
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {}
   void onPrintTimerStarted() {}
   void onPrintTimerPaused() {}
   void onPrintTimerStopped() {}
diff --git a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp
index dc49a77ff8a3..d89e90ece1ea 100644
--- a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp
+++ b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp
@@ -108,7 +108,7 @@ namespace ExtUI {
   }
   void onSettingsLoaded(const bool) {}
 
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) { sound.play_tone(frequency, duration); }
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) { sound.play_tone(frequency, duration); }
 
   void onUserConfirmRequired(const char * const msg) {
     if (msg)
diff --git a/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp b/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp
index 490e427b855c..1c64df500f58 100644
--- a/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp
+++ b/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp
@@ -98,7 +98,7 @@ void onMediaRemoved() {
   }
 }
 
-void onPlayTone(const uint16_t frequency, const uint16_t duration) {
+void onPlayTone(const uint16_t, const uint16_t/*=0*/) {
   rts.sendData(StartSoundSet, SoundAddr);
 }
 
diff --git a/Marlin/src/lcd/extui/malyan/malyan_extui.cpp b/Marlin/src/lcd/extui/malyan/malyan_extui.cpp
index f82f1f06a7de..4865f42354e0 100644
--- a/Marlin/src/lcd/extui/malyan/malyan_extui.cpp
+++ b/Marlin/src/lcd/extui/malyan/malyan_extui.cpp
@@ -137,7 +137,7 @@ namespace ExtUI {
   void onMediaInserted() {}
   void onMediaError() {}
   void onMediaRemoved() {}
-  void onPlayTone(const uint16_t, const uint16_t) {}
+  void onPlayTone(const uint16_t, const uint16_t/*=0*/) {}
   void onFilamentRunout(const extruder_t extruder) {}
   void onUserConfirmRequired(const char * const) {}
   void onHomingStart() {}
diff --git a/Marlin/src/lcd/extui/nextion/nextion_extui.cpp b/Marlin/src/lcd/extui/nextion/nextion_extui.cpp
index b1e1997a3ac6..e33268f3a375 100644
--- a/Marlin/src/lcd/extui/nextion/nextion_extui.cpp
+++ b/Marlin/src/lcd/extui/nextion/nextion_extui.cpp
@@ -41,7 +41,7 @@ namespace ExtUI {
   void onMediaInserted() {}
   void onMediaError() {}
   void onMediaRemoved() {}
-  void onPlayTone(const uint16_t frequency, const uint16_t duration) {}
+  void onPlayTone(const uint16_t frequency, const uint16_t duration/*=0*/) {}
   void onPrintTimerStarted() {}
   void onPrintTimerPaused() {}
   void onPrintTimerStopped() {}
diff --git a/Marlin/src/lcd/extui/ui_api.h b/Marlin/src/lcd/extui/ui_api.h
index 28c34bd08abb..50ecd13d7553 100644
--- a/Marlin/src/lcd/extui/ui_api.h
+++ b/Marlin/src/lcd/extui/ui_api.h
@@ -43,6 +43,7 @@
  ****************************************************************************/
 
 #include "../../inc/MarlinConfig.h"
+
 #include "../marlinui.h"
 #include "../../gcode/gcode.h"
 
@@ -460,7 +461,7 @@ namespace ExtUI {
   void onMediaInserted();
   void onMediaError();
   void onMediaRemoved();
-  void onPlayTone(const uint16_t frequency, const uint16_t duration);
+  void onPlayTone(const uint16_t frequency, const uint16_t duration=0);
   void onPrinterKilled(FSTR_P const error, FSTR_P const component);
   void onSurviveInKilled();
   void onPrintTimerStarted();