diff --git a/Marlin/language.h b/Marlin/language.h
index 08b716685..002e95778 100644
--- a/Marlin/language.h
+++ b/Marlin/language.h
@@ -25,7 +25,8 @@
 
 #include "MarlinConfig.h"
 
-//#define SIMULATE_ROMFONT //Comment in to see what is seen on the character based displays
+// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
+//#define SIMULATE_ROMFONT
 
 // Fallback if no language is set. DON'T CHANGE
 #ifndef LCD_LANGUAGE
diff --git a/Marlin/language_an.h b/Marlin/language_an.h
index afc6a072f..9184d332f 100644
--- a/Marlin/language_an.h
+++ b/Marlin/language_an.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_AN_H
 #define LANGUAGE_AN_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " parada."
diff --git a/Marlin/language_bg.h b/Marlin/language_bg.h
index 8c8b641e8..5d5d3222c 100644
--- a/Marlin/language_bg.h
+++ b/Marlin/language_bg.h
@@ -31,8 +31,6 @@
 #define LANGUAGE_BG_H
 
 #define MAPPER_D0D1                // For Cyrillic
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_5
 
 #define WELCOME_MSG                         MACHINE_NAME " Готов."
diff --git a/Marlin/language_ca.h b/Marlin/language_ca.h
index f20580e92..efa296f9b 100644
--- a/Marlin/language_ca.h
+++ b/Marlin/language_ca.h
@@ -31,8 +31,6 @@
 #define LANGUAGE_CA_H
 
 #define MAPPER_C2C3  // because of "ó"
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " preparada."
diff --git a/Marlin/language_cz.h b/Marlin/language_cz.h
index 9753a0c00..89158e7e4 100644
--- a/Marlin/language_cz.h
+++ b/Marlin/language_cz.h
@@ -34,8 +34,6 @@
 #ifndef LANGUAGE_CZ_H
 #define LANGUAGE_CZ_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " pripraven."
diff --git a/Marlin/language_da.h b/Marlin/language_da.h
index 3af5d8f49..b4cf853ad 100644
--- a/Marlin/language_da.h
+++ b/Marlin/language_da.h
@@ -31,8 +31,6 @@
 #define LANGUAGE_DA_H
 
 #define MAPPER_C2C3
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " er klar"
diff --git a/Marlin/language_de.h b/Marlin/language_de.h
index ed7836882..5ea50630e 100644
--- a/Marlin/language_de.h
+++ b/Marlin/language_de.h
@@ -31,8 +31,6 @@
 #define LANGUAGE_DE_H
 
 #define MAPPER_C2C3
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " bereit"
diff --git a/Marlin/language_el-gr.h b/Marlin/language_el-gr.h
index 04b3aa8e3..1c1849669 100644
--- a/Marlin/language_el-gr.h
+++ b/Marlin/language_el-gr.h
@@ -30,9 +30,6 @@
 #ifndef LANGUAGE_EL_GR_H
 #define LANGUAGE_EL_GR_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
-
 //#define MAPPER_CECF
 //#define DISPLAY_CHARSET_ISO10646_GREEK
 
diff --git a/Marlin/language_el.h b/Marlin/language_el.h
index 0bcaffd3e..424296979 100644
--- a/Marlin/language_el.h
+++ b/Marlin/language_el.h
@@ -30,9 +30,6 @@
 #ifndef LANGUAGE_EL_H
 #define LANGUAGE_EL_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
-
 #define MAPPER_CECF
 #define DISPLAY_CHARSET_ISO10646_GREEK
 
diff --git a/Marlin/language_es.h b/Marlin/language_es.h
index 16ad3e891..c1a2a12b7 100644
--- a/Marlin/language_es.h
+++ b/Marlin/language_es.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_ES_H
 #define LANGUAGE_ES_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " lista."
diff --git a/Marlin/language_eu.h b/Marlin/language_eu.h
index ce7e7bd04..64c3fb32a 100644
--- a/Marlin/language_eu.h
+++ b/Marlin/language_eu.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_EU_H
 #define LANGUAGE_EU_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " prest."
diff --git a/Marlin/language_fi.h b/Marlin/language_fi.h
index 90c62760d..461bb413c 100644
--- a/Marlin/language_fi.h
+++ b/Marlin/language_fi.h
@@ -31,8 +31,6 @@
 #define LANGUAGE_FI_H
 
 #define MAPPER_C2C3
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " valmis."
diff --git a/Marlin/language_fr.h b/Marlin/language_fr.h
index a2b7b3fe1..eff8d3292 100644
--- a/Marlin/language_fr.h
+++ b/Marlin/language_fr.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_FR_H
 #define LANGUAGE_FR_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " prete."
diff --git a/Marlin/language_gl.h b/Marlin/language_gl.h
index e28d193fc..5f1b591e9 100644
--- a/Marlin/language_gl.h
+++ b/Marlin/language_gl.h
@@ -31,8 +31,6 @@
 #define LANGUAGE_GL_H
 
 #define MAPPER_C2C3
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " lista."
diff --git a/Marlin/language_hr.h b/Marlin/language_hr.h
index e8a3c1154..ebfaeb2fb 100644
--- a/Marlin/language_hr.h
+++ b/Marlin/language_hr.h
@@ -30,9 +30,6 @@
 #ifndef LANGUAGE_HR_H
 #define LANGUAGE_HR_H
 
-
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1 // use the better font on full graphic displays.
 
 #define WELCOME_MSG                         MACHINE_NAME " spreman."
diff --git a/Marlin/language_it.h b/Marlin/language_it.h
index ee2e6f195..4121d59bd 100644
--- a/Marlin/language_it.h
+++ b/Marlin/language_it.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_IT_H
 #define LANGUAGE_IT_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " pronto."
diff --git a/Marlin/language_kana_utf8.h b/Marlin/language_kana_utf8.h
index 6dfec2ed2..b48399527 100644
--- a/Marlin/language_kana_utf8.h
+++ b/Marlin/language_kana_utf8.h
@@ -32,8 +32,6 @@
 #define LANGUAGE_KANA_UTF_H
 
 #define MAPPER_E382E383
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_KANA
 
 // This just to show the potential benefit of unicode.
diff --git a/Marlin/language_nl.h b/Marlin/language_nl.h
index 842a64d56..82f0a69b8 100644
--- a/Marlin/language_nl.h
+++ b/Marlin/language_nl.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_NL_H
 #define LANGUAGE_NL_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " gereed."
diff --git a/Marlin/language_pl.h b/Marlin/language_pl.h
index fd6ebd56b..efde140b9 100644
--- a/Marlin/language_pl.h
+++ b/Marlin/language_pl.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_PL_H
 #define LANGUAGE_PL_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " gotowy."
diff --git a/Marlin/language_pt-br.h b/Marlin/language_pt-br.h
index 49bec2cde..1db6ae6a1 100644
--- a/Marlin/language_pt-br.h
+++ b/Marlin/language_pt-br.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_PT_BR_H
 #define LANGUAGE_PT_BR_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " pronto."
diff --git a/Marlin/language_pt-br_utf8.h b/Marlin/language_pt-br_utf8.h
index bc8e5e256..43e5d549b 100644
--- a/Marlin/language_pt-br_utf8.h
+++ b/Marlin/language_pt-br_utf8.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_PT_BR_UTF_H
 #define LANGUAGE_PT_BR_UTF_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " pronto."
diff --git a/Marlin/language_pt.h b/Marlin/language_pt.h
index b64c042e1..5996dd12a 100644
--- a/Marlin/language_pt.h
+++ b/Marlin/language_pt.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_PT_H
 #define LANGUAGE_PT_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " pronto."
diff --git a/Marlin/language_pt_utf8.h b/Marlin/language_pt_utf8.h
index 0146ff9b0..ec56a86cc 100644
--- a/Marlin/language_pt_utf8.h
+++ b/Marlin/language_pt_utf8.h
@@ -30,8 +30,6 @@
 #ifndef LANGUAGE_PT_UTF_H
 #define LANGUAGE_PT_UTF_H
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_1
 
 #define WELCOME_MSG                         MACHINE_NAME " pronto."
diff --git a/Marlin/language_ru.h b/Marlin/language_ru.h
index e3e63cb43..e953b0b52 100644
--- a/Marlin/language_ru.h
+++ b/Marlin/language_ru.h
@@ -31,8 +31,6 @@
 #define LANGUAGE_RU_H
 
 #define MAPPER_D0D1                // For Cyrillic
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 #define DISPLAY_CHARSET_ISO10646_5
 
 #define WELCOME_MSG                         MACHINE_NAME " Готов."
diff --git a/Marlin/language_test.h b/Marlin/language_test.h
index 99fa712a7..25b9c0947 100644
--- a/Marlin/language_test.h
+++ b/Marlin/language_test.h
@@ -51,8 +51,6 @@
 //#define MAPPER_E382E383    // For Katakana
 //#define MAPPER_NON         // For direct ascii codes. Fall back mapper - if no other is defined.
 
-// Define SIMULATE_ROMFONT to see what is seen on the character based display defined in Configuration.h
-//#define SIMULATE_ROMFONT
 
 // Select the better font for full graphic displays.
 //#define DISPLAY_CHARSET_ISO10646_1