diff --git a/Marlin/src/lcd/e3v2/creality/dwin.cpp b/Marlin/src/lcd/e3v2/creality/dwin.cpp
index a6218609df..d14d6f10dd 100644
--- a/Marlin/src/lcd/e3v2/creality/dwin.cpp
+++ b/Marlin/src/lcd/e3v2/creality/dwin.cpp
@@ -579,14 +579,8 @@ void DWIN_Draw_Label(const uint8_t row, const __FlashStringHelper *title) {
 }
 
 void DWIN_Draw_Signed_Float(uint8_t size, uint16_t bColor, uint8_t iNum, uint8_t fNum, uint16_t x, uint16_t y, long value) {
-  if (value < 0) {
-    DWIN_Draw_String(true, size, Color_White, bColor, x - 8, y, F("-"));
-    DWIN_Draw_FloatValue(true, true, 0, size, Color_White, bColor, iNum, fNum, x, y, -value);
-  }
-  else {
-    DWIN_Draw_String(true, size, Color_White, bColor, x - 8, y, F(" "));
-    DWIN_Draw_FloatValue(true, true, 0, size, Color_White, bColor, iNum, fNum, x, y, value);
-  }
+  DWIN_Draw_String(true, size, Color_White, bColor, x - 8, y, value < 0 ? F("-") : F(" "));
+  DWIN_Draw_FloatValue(true, true, 0, size, Color_White, bColor, iNum, fNum, x, y, value < 0 ? -value : value);
 }
 
 void Draw_Edit_Integer3(const uint8_t row, const uint16_t value, const bool active=false) {
diff --git a/Marlin/src/lcd/e3v2/marlinui/dwin_lcd.h b/Marlin/src/lcd/e3v2/marlinui/dwin_lcd.h
index 09d7b5ddd2..4d8e670e1c 100644
--- a/Marlin/src/lcd/e3v2/marlinui/dwin_lcd.h
+++ b/Marlin/src/lcd/e3v2/marlinui/dwin_lcd.h
@@ -67,7 +67,6 @@
 
 #define DWIN_FONT_MENU  font10x20
 #define DWIN_FONT_STAT  font14x28
-#define DWIN_FONT_HEAD  font10x20
 #define DWIN_FONT_ALERT font14x28
 
 // Color
diff --git a/Marlin/src/lcd/e3v2/marlinui/dwin_string.cpp b/Marlin/src/lcd/e3v2/marlinui/dwin_string.cpp
index c7b37319c4..89e001b29c 100644
--- a/Marlin/src/lcd/e3v2/marlinui/dwin_string.cpp
+++ b/Marlin/src/lcd/e3v2/marlinui/dwin_string.cpp
@@ -47,7 +47,7 @@ uint8_t read_byte(uint8_t *byte) { return *byte; }
  *   ~ displays  '1'....'11' for indexes 0 - 10
  *   * displays 'E1'...'E11' for indexes 0 - 10 (By default. Uses LCD_FIRST_TOOL)
  */
-void DWIN_String::add(uint8_t *string, int8_t index, uint8_t *itemString) {
+void DWIN_String::add(uint8_t *string, const int8_t index, uint8_t *itemString/*=nullptr*/) {
   wchar_t wchar;
 
   while (*string) {
@@ -127,7 +127,7 @@ void DWIN_String::add(wchar_t character) {
   if (str[1]) add_character(str[1]);
 }
 
-void DWIN_String::add_character(uint8_t character) {
+void DWIN_String::add_character(const uint8_t character) {
   if (len < MAX_STRING_LENGTH) {
     data[len] = character;
     len++;
@@ -135,7 +135,7 @@ void DWIN_String::add_character(uint8_t character) {
   }
 }
 
-void DWIN_String::rtrim(uint8_t character) {
+void DWIN_String::rtrim(const uint8_t character) {
   while (len) {
     if (data[len - 1] == 0x20 || data[len - 1] == character) {
       len--;
@@ -147,7 +147,7 @@ void DWIN_String::rtrim(uint8_t character) {
   }
 }
 
-void DWIN_String::ltrim(uint8_t character) {
+void DWIN_String::ltrim(const uint8_t character) {
   uint16_t i, j;
   for (i = 0; (i < len) && (data[i] == 0x20 || data[i] == character); i++) {
     //span -= glyph(data[i])->DWidth;
@@ -158,7 +158,7 @@ void DWIN_String::ltrim(uint8_t character) {
   eol();
 }
 
-void DWIN_String::trim(uint8_t character) {
+void DWIN_String::trim(const uint8_t character) {
   rtrim(character);
   ltrim(character);
 }
diff --git a/Marlin/src/lcd/e3v2/marlinui/dwin_string.h b/Marlin/src/lcd/e3v2/marlinui/dwin_string.h
index d78d774095..08566407b7 100644
--- a/Marlin/src/lcd/e3v2/marlinui/dwin_string.h
+++ b/Marlin/src/lcd/e3v2/marlinui/dwin_string.h
@@ -46,7 +46,7 @@ class DWIN_String {
     static uint16_t span;   // in pixels
     static uint8_t len;  // in characters
 
-    static void add_character(uint8_t character);
+    static void add_character(const uint8_t character);
     static void eol() { data[len] = 0x00; }
 
   public:
@@ -62,7 +62,7 @@ class DWIN_String {
     //static void add(uint8_t character) { add_character(character); eol(); }
     static void add(wchar_t character);
     static void add(uint8_t *string, uint8_t max_len=MAX_STRING_LENGTH);
-    static void add(uint8_t *string, int8_t index, uint8_t *itemString=nullptr);
+    static void add(uint8_t *string, const int8_t index, uint8_t *itemString=nullptr);
     static void set(uint8_t *string)   { set(); add(string); }
     static void set(wchar_t character) { set(); add(character); }
     static void set(uint8_t *string, int8_t index, const char *itemString=nullptr) { set(); add(string, index, (uint8_t *)itemString); }
@@ -71,20 +71,20 @@ class DWIN_String {
     static inline void set(const char *string, int8_t index, const char *itemString=nullptr) { set((uint8_t *)string, index, itemString); }
     static inline void add(const char *string) { add((uint8_t *)string); }
 
-    static void trim(uint8_t character=0x20);
-    static void rtrim(uint8_t character=0x20);
-    static void ltrim(uint8_t character=0x20);
+    static void trim(const uint8_t character=0x20);
+    static void rtrim(const uint8_t character=0x20);
+    static void ltrim(const uint8_t character=0x20);
 
     static void truncate(uint8_t maxlen) { if (len > maxlen) { len = maxlen; eol(); } }
 
-    static uint8_t length() { return len; }
-    static uint16_t width() { return span; }
-    static uint8_t *string() { return data; }
+    static inline uint8_t length() { return len; }
+    static inline uint16_t width() { return span; }
+    static inline uint8_t *string() { return data; }
     static uint16_t center(uint16_t width) { return span > width ? 0 : (width - span) / 2; }
 };
 
 int dwin_charmap_compare(dwin_charmap_t *v1, dwin_charmap_t *v2);
-int pf_bsearch_cb_comp_dwinmap_pgm(void *userdata, size_t idx, void * data_pin);
+int pf_bsearch_cb_comp_dwinmap_pgm(void *userdata, size_t idx, void *data_pin);
 
 extern DWIN_String dwin_string;
 
@@ -664,7 +664,7 @@ const dwin_charmap_t g_dwin_charmap_device[] PROGMEM = {
   #endif
 };
 
-// the plain ASCII replacement for various char
+// ASCII replacement for various characters
 const dwin_charmap_t g_dwin_charmap_common[] PROGMEM = {
   {IV('¡'), 'i', 0}, // A1
   {IV('¢'), 'c', 0}, // A2
diff --git a/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp b/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp
index 20b3727dbc..069272f6c1 100644
--- a/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp
+++ b/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp
@@ -46,11 +46,10 @@ extern dwin_font_t dwin_font;
 void lcd_moveto_xy(const lcd_uint_t x, const lcd_uint_t y) { cursor.x = x; cursor.y = y; }
 
 void lcd_moveto(const lcd_uint_t col, const lcd_uint_t row) {
-  cursor.x = col * dwin_font.width;
-  cursor.y = (row * (dwin_font.height + EXTRA_ROW_HEIGHT)) + (EXTRA_ROW_HEIGHT / 2);
+  lcd_moveto_xy(col * dwin_font.width, row * (dwin_font.height + EXTRA_ROW_HEIGHT) + EXTRA_ROW_HEIGHT / 2);
 }
 
-inline void lcd_advance_cursor() { cursor.x += dwin_font.width; }
+inline void lcd_advance_cursor(const uint8_t len=1) { cursor.x += len * dwin_font.width; }
 
 void lcd_put_int(const int i) {
   // TODO: Draw an int at the cursor position, advance the cursor
@@ -58,19 +57,18 @@ void lcd_put_int(const int i) {
 
 int lcd_put_dwin_string() {
   DWIN_Draw_String(dwin_font.solid, dwin_font.index, dwin_font.fg, dwin_font.bg, cursor.x, cursor.y, (char*)dwin_string.string());
-  cursor.x += dwin_string.length() * dwin_font.width;
+  lcd_advance_cursor(dwin_string.length());
   return dwin_string.length();
 }
 
 // return < 0 on error
 // return the advanced cols
 int lcd_put_wchar_max(wchar_t c, pixel_len_t max_length) {
-  dwin_string.set();
-  dwin_string.add(c);
+  dwin_string.set(c);
   dwin_string.truncate(max_length);
   // Draw the char(s) at the cursor and advance the cursor
   DWIN_Draw_String(dwin_font.solid, dwin_font.index, dwin_font.fg, dwin_font.bg, cursor.x, cursor.y, (char*)dwin_string.string());
-  cursor.x += dwin_string.length() * dwin_font.width;
+  lcd_advance_cursor(dwin_string.length());
   return dwin_string.length();
 }
 
@@ -95,7 +93,7 @@ static int lcd_put_u8str_max_cb(const char * utf8_str, uint8_t (*cb_read_byte)(u
     dwin_string.add(ch);
   }
   DWIN_Draw_String(dwin_font.solid, dwin_font.index, dwin_font.fg, dwin_font.bg, cursor.x, cursor.y, (char*)dwin_string.string());
-  cursor.x += dwin_string.length() * dwin_font.width;
+  lcd_advance_cursor(dwin_string.length());
   return dwin_string.length();
 }
 
@@ -112,7 +110,7 @@ lcd_uint_t lcd_put_u8str_ind_P(PGM_P const pstr, const int8_t ind, PGM_P const i
   dwin_string.add((uint8_t*)pstr, ind, (uint8_t*)inStr);
   dwin_string.truncate(maxlen);
   DWIN_Draw_String(dwin_font.solid, dwin_font.index, dwin_font.fg, dwin_font.bg, cursor.x, cursor.y, (char*)dwin_string.string());
-  cursor.x += dwin_string.length() * dwin_font.width;
+  lcd_advance_cursor(dwin_string.length());
   return dwin_string.length();
 }