public function migrate()
	{
		$this->msg( 'Remove left over TYPO3 fe_users references', 0, '' );

		foreach( $this->sql as $table => $stmt )
		{
			$this->msg( sprintf( 'Remove unused %1$s records', $table ), 1 );

			if( $this->schema->tableExists( 'fe_users' ) && $this->schema->tableExists( $table ) )
			{
				$this->execute( $stmt );
				$this->status( 'done' );
			}
			else
			{
				$this->status( 'OK' );
			}
		}
	}