diff --git a/Marlin/language.h b/Marlin/language.h
index 08b71668506e3cc2952d46014dc633799c741b20..002e95778c9413e75ee3a84508b8aef4db372506 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 afc6a072fa379e3483d05983189e23fc7f0d749f..9184d332f92c078b61c259c26d4caa71e9f0aea2 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 8c8b641e8a5a91c09b61db5309b69571592da8f6..5d5d3222c73d66662244e63a90baf1c6487da3f8 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 f20580e925c3233f6fbd571c8963a31a10518881..efa296f9b3bfa0c1020cc6660ba87d08065d8bc0 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 9753a0c0041a242a95b93b19f13c67da3ac42c28..89158e7e4909bfe40974b71df4cdec5092b4c3ec 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 3af5d8f4992d8625d6ebc6d5c1e177eb21e2d0fb..b4cf853ad2f2a57b11832c193c0ac1bd47d1deeb 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 ed7836882f7d943d1eee89069cfdf3849f2062d9..5ea50630ed57881a17e22c008b22d255b290daec 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 04b3aa8e39316dfdcef1c9c2aab375d777af41a3..1c184966907ab2a5f08858e05cb953f68b958a7a 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 0bcaffd3ecb4731c0dffc7ba3413ec807ce46758..4242969797b85a6743c30f122a62c7c3e5fcf299 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 16ad3e891f3cbf87b0c6703c1c2be90e3d80a298..c1a2a12b7429b834b17c686e0b7b19f6f6e413ea 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 ce7e7bd0417ee1ab8a39413c5df31294706c736d..64c3fb32aeaec9e6659a9b837ba888260178668a 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 90c62760d7438b8a671df13eee43d8554113c463..461bb413ca60dea5065db9c85047f9a3e453fee3 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 a2b7b3fe18deb3acbc4ba0aeb9604da10c13f100..eff8d32923ac211881eef21ba0dc5134f8c70b81 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 e28d193fcb8cc0b58930a606275984ad069e7cfa..5f1b591e9c911b84ee3003856640b2b577956cf0 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 e8a3c1154a66af5ac4e71d7347c04cea321ce9d3..ebfaeb2fbd85a2c186189545afd491e4debc71cd 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 ee2e6f19540039a28a9879e2424c789a86ba9f3b..4121d59bdf3a180c1c5d947e180e4acb7da98de7 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 6dfec2ed2096a36658ed4a6b78c5cd40621b4fde..b48399527f7058d0515e7bbebdf24c32bb9727b4 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 842a64d562b35dbbfceb313a14fa9d1ee35f20f5..82f0a69b8b095e54ee2e183506d6efb01993a897 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 fd6ebd56bfe893815e80bf17251adb8ec633e97f..efde140b9211f2cb09f22ccee68d0d6f7e850b85 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 49bec2cdea8c5afa18d5a11abaa06f8126e603ec..1db6ae6a1b90c93b59290be73e6217f6aecff7f6 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 bc8e5e256c6446a148955b4849637e9ae412e560..43e5d549b9284799c73e553e3a804136dd42f1c3 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 b64c042e1e641985905358208f92f184e4e5036d..5996dd12afd250e1687000371dade09e355dc807 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 0146ff9b0ea4b814b85ace3e93bf9c8604d450c8..ec56a86cceb932f84186a6a06c92a2dbc80e5783 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 e3e63cb434dfdeee0a8677f129ddb54657e501c2..e953b0b52764feb1d7b7d769b41c40f586e0b3e9 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 99fa712a7155876a8673d513cc11bfb3408caaab..25b9c09474b412be7f82bc1fb8f44b158f6fc2f5 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