ibdata1 file size still increases, after adding innodb_file_per_table=1 and deleting ibdata1 file

MariaDB ibdata1 file is increasing in size significantly. Even after deleting the ibdata1 file and adding the **innodb_file_per_table=1** in my.cnf file. ibdata1 is again consuming the space and exhausting the disk space. Advise any change or suggestion