--- OpenGD77/firmware/include/user_interface/uiLocalisation.h~	2022-02-28 16:36:53.000000000 +0900
+++ OpenGD77/firmware/include/user_interface/uiLocalisation.h	2022-07-31 18:30:42.790360456 +0900
@@ -29,8 +29,11 @@
 #define _OPENGD77_UILOCALISATION_H_
 
 
+#define LANGUAGE_BUILD_ENGLISH_ONLY
 #if defined(LANGUAGE_BUILD_JAPANESE)
 #define NUM_LANGUAGES 2
+#elif defined(LANGUAGE_BUILD_ENGLISH_ONLY)
+#define NUM_LANGUAGES 1
 #else
 #define NUM_LANGUAGES 18
 #endif
@@ -256,7 +259,7 @@
 	englishLanguageName = 0,
 #if defined(LANGUAGE_BUILD_JAPANESE)
 	japaneseLanguageName,
-#else
+#elif !defined(LANGUAGE_BUILD_ENGLISH_ONLY)
 	catalanLanguageName,
 	danishLanguageName,
 	frenchLanguageName,
--- OpenGD77/firmware/source/user_interface/uiLocalisation.c~	2022-02-28 16:36:53.000000000 +0900
+++ OpenGD77/firmware/source/user_interface/uiLocalisation.c	2022-07-31 18:32:49.649617018 +0900
@@ -30,7 +30,7 @@
 #include "user_interface/languages/english.h"
 #if defined(LANGUAGE_BUILD_JAPANESE)
 #include "user_interface/languages/japanese.h"
-#else
+#elif !defined(LANGUAGE_BUILD_ENGLISH_ONLY)
 #include "user_interface/languages/french.h"
 #include "user_interface/languages/german.h"
 #include "user_interface/languages/portuguese.h"
@@ -61,7 +61,7 @@
 const stringsTable_t languages[NUM_LANGUAGES]= { 	englishLanguage,        // englishLanguageName
 #if defined(LANGUAGE_BUILD_JAPANESE)
 													japaneseLanguage,       // japaneseLanguageName
-#else
+#elif !defined(LANGUAGE_BUILD_ENGLISH_ONLY)
 													catalanLanguage,        // catalanLanguageName
 													danishLanguage,         // danishLanguageName
 													frenchLanguage,         // frenchLanguageName
@@ -88,7 +88,7 @@
 const int LANGUAGE_DISPLAY_ORDER[NUM_LANGUAGES] = {	englishLanguageName,
 #if defined(LANGUAGE_BUILD_JAPANESE)
 													japaneseLanguageName,
-#else
+#elif !defined(LANGUAGE_BUILD_ENGLISH_ONLY)
 													catalanLanguageName,
 													croatianLanguageName,
 													czechLanguageName,