diff --git a/src/lang/chuvash.txt b/src/lang/chuvash.txt
--- a/src/lang/chuvash.txt
+++ b/src/lang/chuvash.txt
@@ -226,7 +226,7 @@ STR_SCENEDIT_FILE_MENU_SEPARATOR        
 STR_SCENEDIT_FILE_MENU_QUIT                                     :Вӗҫле
 
 # Settings menu
-###length 14
+###length 15
 STR_SETTINGS_MENU_GAME_OPTIONS                                  :Вӑййи майлаштару
 STR_SETTINGS_MENU_NEWGRF_SETTINGS                               :NewGRF майлаштару
 
@@ -1581,7 +1581,6 @@ STR_ORDER_GO_TO_STATION                 
 
 
 
-STR_AI_CONFIG_CHANGE_NONE                                       :
 
 # Available AIs window