The UEFA Club Financial Control Body has announced Inter can name a 25-player squad in Europe next season after being limited to 21 for 2018-19.
Inter can register a full squad in Europe next season after meeting the long-standing conditions for their release from a Financial Fair Play (FFP) settlement agreement.
The Serie A side "have been considered in compliance" with the demands placed upon them in May 2015, the UEFA Club Financial Control Body (CFCB) investigatory chamber confirmed on Friday.
The agreement was struck after Inter breached FFP regulations and were punished with heavy fines and limited to a squad of 21 players in the Champions League this term, down from the usual 25.
Luciano Spalletti's side failed to reach the knockout rounds as eventual finalists Tottenham pipped them to second place in Group B.
Trabzonspor still in UEFA's bad books
Besiktas and Kazakhstan Premier League leaders Astana have also achieved the targets imposed in 2015 and 2016 respectively.
"Consequently, they have now all exited the settlement regime," a UEFA statement read.
Trabzonspor, however, have been referred to the CFCB adjudicatory chamber after breaching an agreement signed three years ago.
The Turkish team "failed to comply with the break-even requirement during the monitoring period assessed" this season and now could be at risk of being banned from European competitions.