diff --git a/telegrambots-extensions/src/main/java/org/telegram/telegrambots/extensions/bots/commandbot/TelegramLongPollingCommandBot.java b/telegrambots-extensions/src/main/java/org/telegram/telegrambots/extensions/bots/commandbot/TelegramLongPollingCommandBot.java
index 1796b364..05de2c72 100644
--- a/telegrambots-extensions/src/main/java/org/telegram/telegrambots/extensions/bots/commandbot/TelegramLongPollingCommandBot.java
+++ b/telegrambots-extensions/src/main/java/org/telegram/telegrambots/extensions/bots/commandbot/TelegramLongPollingCommandBot.java
@@ -22,7 +22,6 @@ import java.util.function.BiConsumer;
  */
 public abstract class TelegramLongPollingCommandBot extends TelegramLongPollingBot implements ICommandRegistry {
     private final CommandRegistry commandRegistry;
-    private String botUsername;
 
     /**
      * Creates a TelegramLongPollingCommandBot using default options
@@ -33,19 +32,6 @@ public abstract class TelegramLongPollingCommandBot extends TelegramLongPollingB
         this(ApiContext.getInstance(DefaultBotOptions.class));
     }
 
-    /**
-     * Creates a TelegramLongPollingCommandBot using default options
-     * Use ICommandRegistry's methods on this bot to register commands
-     *
-     * @param botUsername Username of the bot
-     * @deprecated Overwrite {@link #getBotUsername() getBotUsername} instead
-     */
-    @Deprecated
-    public TelegramLongPollingCommandBot(String botUsername){
-        this();
-        this.botUsername = botUsername;
-    }
-
     /**
      * Creates a TelegramLongPollingCommandBot with custom options and allowing commands with
      * usernames
@@ -152,9 +138,7 @@ public abstract class TelegramLongPollingCommandBot extends TelegramLongPollingB
      * @return Bot username
      */
     @Override
-    public String getBotUsername(){
-        return this.botUsername;
-    };
+    public abstract String getBotUsername();
 
     /**
      * Process all updates, that are not commands.