The European Union antitrust regulator has scrapped a two-and-half-calendar year investigation into travel scheduling firms Amadeus and Sabre, citing a absence of conclusive proof.

The two were specific by the European Fee in November 2018 on worries that their contract conditions could stop airways and travel brokers from modifying to rival ticket brokers.

“The proof gathered is not adequately conclusive to justify pursuing the investigation even further,” the EU competition watchdog stated in a statement.

It stated it would continue to observe the sector.

The Fee is at present examining guidelines that specify the romance among airways, scheduling technique vendors and travel brokers.

The EU decision was welcomed by Amadeus.

“Amadeus has worked carefully with the Fee in an open and clear method due to the fact the launch of its investigation in 2018,” a enterprise spokesperson stated.

Airways ordinarily offer the bulk of their tickets by means of travel brokers and other 3rd events but have a tense romance with global distribution services (GDS) vendors these types of as Amadeus and Sabre, which use program networks to offer items these types of as airline tickets and lodge rooms to individuals.

These firms usually love substantially better revenue margins than the airways whose tickets they help to distribute.