diff --git a/demos/ebike/translations/lv_i18n.c b/demos/ebike/translations/lv_i18n.c
index fc274947b..768b37c76 100644
--- a/demos/ebike/translations/lv_i18n.c
+++ b/demos/ebike/translations/lv_i18n.c
@@ -1,6 +1,7 @@
 #include "./lv_i18n.h"
 #include "../../../src/stdlib/lv_string.h"
 
+#if LV_USE_DEMO_EBIKE
 
 /**
  * Define plural operands
@@ -298,3 +299,5 @@ const char * lv_i18n_get_current_locale(void)
     if(!current_lang) return NULL;
     return current_lang->locale_name;
 }
+
+#endif /*#if LV_USE_DEMO_EBIKE*/
diff --git a/demos/ebike/translations/lv_i18n.h b/demos/ebike/translations/lv_i18n.h
index c40c4967d..eea79a29c 100644
--- a/demos/ebike/translations/lv_i18n.h
+++ b/demos/ebike/translations/lv_i18n.h
@@ -6,6 +6,7 @@ extern "C" {
 #endif
 
 #include "../../../src/lv_conf_internal.h"
+#if LV_USE_DEMO_EBIKE
 
 #include LV_STDINT_INCLUDE
 
@@ -78,6 +79,7 @@ void __lv_i18n_reset(void);
 #define _(text) lv_i18n_get_text(text)
 #define _p(text, num) lv_i18n_get_text_plural(text, num)
 
+#endif /*LV_USE_DEMO_EBIKE*/
 
 #ifdef __cplusplus
 } /* extern "C" */