The BBC Sports website have announced that Lincoln City have sacked Peter Jackson and Iffy Onuora.
A statement by the club's board said: "We have been disappointed with the poor start to this campaign and the early exit from two cup competitions.
"It is with regret that the board have made this decision, however the bottom line is the need for results."
First-team coach Simon Clark and head of youth Tom Spall have been placed in temporary charge at Sincil Bank.