Former Hearts manager Craig Levein has officially left the club along with several players and staff members.
Tynecastle club says commitment will help maintain its long-term sustainability amid coronavirus pandemic.
The Rangers boss wants an independent investigation into the SPFL's handling of the matter.
The league is holding separate conference calls with Premiership, Championship, League 1 and 2 clubs.
Jermain Defoe has backed Steven Gerrard after Rangers exited the Scottish Cup at the hands of Hearts.
A 3-3 draw with St Johnstone saw Hearts climb off the bottom of the table.
The Tynecastle club have made an addition to their coaching staff.
A first-half Martin Boyle brace handed Hibernian all three points at Tynecastle.
Celtic's 2-0 win at Hearts put them five points clear at the top of the table.
The Hearts owner said the former manager should not have held dual roles at Tynecastle.
The German manager says he wants a change of attitude on the Tynecastle pitch.
The caretaker manager says Daniel Stendel's situation might not be resolved until next week.
Stand-in boss is hopeful he remains in contention to become Hearts manager permanently.