How to fix triggers Problem deleted code is still work?

CREATE TRIGGER [dbo].[TRG_INSERT_table] 
   ON  [dbo].[tb_table] 
   FOR INSERT
AS 
BEGIN
 IF --Condition 1
   BEGIN
     --Some Code doing here
     --This code is ok
   END
 ELSE
  BEGIN
   IF --Condition 2
     BEGIN
        --Some Code doing here
        --This code is ok
     END
---#####This code block was deleted####----
---but still work in my database----------
   ELSE 
     BEGIN
     IF --Condition 3 
       BEGIN
        --Some Code doing here
        --This code have some problem
       END
     END
-----############---------------------
  END
END