Tony Pulis has left his post as manager of Crystal Palace, Press Association Sport understands.
It was widely reported that Pulis and club co-chairman Steve Parish were holding talks to discuss issues relating to transfer dealings.
According to BBC Sport, Pulis has been frustrated by the club failing to push through deals for various players he targeted to strengthen the Palace squad.
Pulis led Palace to survival in the top flight last season after inheriting a squad in turmoil in November, and was named the League Managers Association's Premier League manager of the year in May.
Crystal Palace boss Tony Pulis hailed his side's comeback against Liverpool as "amazing".
Palace scored three times in the last 11 minutes to come from 3-0 down to secure a point in their final home of the season.
"I said the game would open up in the second half, and we'd have a chance," Pulis said.
"Then they get the two and, at 3-0, you're staring down the barrel. When we got the first goal, I thought we'd have a squeak.
"Then everything took off, it was amazing. When the second goal went in, it was just a matter of time until we got the third."
Crystal Palace players paid tribute to fans at Selhurst Park after their memorable comeback against Liverpool last night.
Two goals from Dwight Gayle and a strike from Damien Delaney helped Palace fight back from 3-0 down against the Reds and end the season at Selhurst on a high.
Crystal Palace scored three goals in nine minutes in a sensational comeback which left Liverpool's title hopes in tatters.
The Reds strolled into a 3-0 lead but a deflected shot from Damien Delaney with 10 minutes to go sparked a Palace fightback.
A double from substitute Dwight Gayle sealed a memorable draw to the delight of the home crowd.
Crystal Palace manager Tony Pulis has won the Barclays Manager of the Month award for April.
Palace beat Cardiff City, Aston Villa, Everton and West Ham to secure Premier League safety.
The victories followed a win against Chelsea during their five-match winning run.
"It's not about me really, it's about everyone at the football club and that includes my staff, the players, the chairman and directors and the wonderful support we've received all season," Pulis said.
"To win five on the bounce is a wonderful achievement at any football club, irrespective of the name, and it's a testament to the players for their attitude and commitment towards keeping this club in the Premier League."
Crystal Palace manager Tony Pulis says he hopes he has a strikeforce capable of keeping Crystal Palace's season alive until the January transfer window opens. A first half header from Marouane Chamakh's sealed a 1-0 win over West Ham on Tuesday night.
The win lifts Crystal Palace off the foot of the Barclays Premier League, but only three points from safety. Tony Pulis seems to be getting the best Marouane Chamakh and fellow forward Cameron Jerome, and he wants the duo to keep his side in with a shout of survival, adding:
"Chamakh and Cameron never stopped running. Their effort and commitment gave everyone a lift. Chamakh has got good quality and is a good player, he just needs some confidence and hopefully that goal will give him some confidence to grow into the player we need."