diff --git a/Marlin/src/lcd/marlinui.cpp b/Marlin/src/lcd/marlinui.cpp
index d7a9d3d94ef5..6741de3e408b 100644
--- a/Marlin/src/lcd/marlinui.cpp
+++ b/Marlin/src/lcd/marlinui.cpp
@@ -47,7 +47,7 @@ MarlinUI ui;
 #endif
 
 #if ENABLED(DWIN_CREALITY_LCD)
-  #include "e3v2/creality/dwin.h"
+  #include "dwin/e3v2/dwin.h"
 #endif
 
 #if ENABLED(LCD_PROGRESS_BAR) && !IS_TFTGLCD_PANEL
@@ -65,8 +65,15 @@ MarlinUI ui;
 constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
 
 #if HAS_STATUS_MESSAGE
-  #if BOTH(HAS_WIRED_LCD, STATUS_MESSAGE_SCROLLING)
-    uint8_t MarlinUI::status_scroll_offset; // = 0
+  #if HAS_WIRED_LCD
+    #if ENABLED(STATUS_MESSAGE_SCROLLING)
+      uint8_t MarlinUI::status_scroll_offset; // = 0
+      constexpr uint8_t MAX_MESSAGE_LENGTH = _MAX(LONG_FILENAME_LENGTH, MAX_LANG_CHARSIZE * 2 * (LCD_WIDTH));
+    #else
+      constexpr uint8_t MAX_MESSAGE_LENGTH = MAX_LANG_CHARSIZE * (LCD_WIDTH);
+    #endif
+  #else
+    constexpr uint8_t MAX_MESSAGE_LENGTH = 63;
   #endif
   char MarlinUI::status_message[MAX_MESSAGE_LENGTH + 1];
   uint8_t MarlinUI::alert_level; // = 0
@@ -81,25 +88,6 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
 
 #if HAS_MULTI_LANGUAGE
   uint8_t MarlinUI::language; // Initialized by settings.load()
-  void MarlinUI::set_language(const uint8_t lang) {
-    if (lang < NUM_LANGUAGES) {
-      language = lang;
-      TERN_(HAS_MARLINUI_U8GLIB, update_language_font());
-      return_to_status();
-      refresh();
-    }
-  }
-#endif
-
-#if HAS_LCD_BRIGHTNESS
-  uint8_t MarlinUI::brightness = DEFAULT_LCD_BRIGHTNESS;
-  bool MarlinUI::backlight = true;
-
-  void MarlinUI::set_brightness(const uint8_t value) {
-    backlight = !!value;
-    if (backlight) brightness = constrain(value, MIN_LCD_BRIGHTNESS, MAX_LCD_BRIGHTNESS);
-    // Set brightness on enabled LCD here
-  }
 #endif
 
 #if ENABLED(SOUND_MENU_ITEM)
@@ -712,7 +700,7 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
      *     This is used to achieve more rapid stepping on kinematic machines.
      *
      * Currently used by the _lcd_move_xyz function in menu_motion.cpp
-     * and the ubl_map_move_to_xy function in menu_ubl.cpp.
+     * and the ubl_map_move_to_xy funtion in menu_ubl.cpp.
      */
     void ManualMove::task() {
 
@@ -1673,40 +1661,6 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
   }
 #endif
 
-#if BOTH(EXTENSIBLE_UI, ADVANCED_PAUSE_FEATURE)
-
-  void MarlinUI::pause_show_message(
-    const PauseMessage message,
-    const PauseMode mode/*=PAUSE_MODE_SAME*/,
-    const uint8_t extruder/*=active_extruder*/
-  ) {
-    if (mode == PAUSE_MODE_SAME)
-      return;
-    pause_mode = mode;
-    switch (message) {
-      case PAUSE_MESSAGE_PARKING:  ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_PAUSE_PRINT_PARKING));
-      case PAUSE_MESSAGE_CHANGING: ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_INIT));
-      case PAUSE_MESSAGE_UNLOAD:   ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_UNLOAD));
-      case PAUSE_MESSAGE_WAITING:  ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_ADVANCED_PAUSE_WAITING));
-      case PAUSE_MESSAGE_INSERT:   ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_INSERT));
-      case PAUSE_MESSAGE_LOAD:     ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_LOAD));
-      case PAUSE_MESSAGE_PURGE:
-        #if ENABLED(ADVANCED_PAUSE_CONTINUOUS_PURGE)
-          ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_CONT_PURGE));
-        #else
-          ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_PURGE));
-        #endif
-      case PAUSE_MESSAGE_RESUME:   ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_RESUME));
-      case PAUSE_MESSAGE_HEAT:     ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_HEAT));
-      case PAUSE_MESSAGE_HEATING:  ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_HEATING));
-      case PAUSE_MESSAGE_OPTION:   ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_FILAMENT_CHANGE_OPTION_HEADER));
-      case PAUSE_MESSAGE_STATUS:
-      default: break;
-    }
-  }
-
-#endif
-
 #if ENABLED(EEPROM_SETTINGS)
 
   #if HAS_LCD_MENU