Ceferin
Nine clubs distanced themselves from the project but Real Madrid, Barcelona and Juventus remain on board with the concept.
FIFA president Gianni Infantino said the extensive shake-up would cut out "too many meaningless matches".
By playing the semi-finals in one location, teams involved would lose out on revenues had they featured in two legs.
Slovenian Aleksander Ceferin was re-elected unopposed on Thursday as president of European soccer's ruling body UEFA, promising an overhaul of club competitions but reaffirming there would be no Super League on his watch.
The current transfer deadline is August 31, while the Premier League began on August 11.
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