diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 1229c27b1..646660bfd 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -3515,11 +3515,9 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 	/**
 	 * Handles player data saving
 	 *
-	 * @param bool $async
-	 *
 	 * @throws \InvalidStateException if the player is closed
 	 */
-	public function save(bool $async = false){
+	public function save(){
 		if($this->closed){
 			throw new \InvalidStateException("Tried to save closed player");
 		}
@@ -3556,7 +3554,7 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 		$this->namedtag->setLong("lastPlayed", (int) floor(microtime(true) * 1000));
 
 		if($this->username != "" and $this->namedtag instanceof CompoundTag){
-			$this->server->saveOfflinePlayerData($this->username, $this->namedtag, $async);
+			$this->server->saveOfflinePlayerData($this->username, $this->namedtag);
 		}
 	}
 
diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index 80263789b..3164b6cd9 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -805,9 +805,8 @@ class Server{
 	/**
 	 * @param string      $name
 	 * @param CompoundTag $nbtTag
-	 * @param bool        $async
 	 */
-	public function saveOfflinePlayerData(string $name, CompoundTag $nbtTag, bool $async = false){
+	public function saveOfflinePlayerData(string $name, CompoundTag $nbtTag){
 		$ev = new PlayerDataSaveEvent($nbtTag, $name);
 		$ev->setCancelled(!$this->shouldSavePlayerData());
 
@@ -816,11 +815,7 @@ class Server{
 		if(!$ev->isCancelled()){
 			$nbt = new BigEndianNBTStream();
 			try{
-				if($async){
-					$this->asyncPool->submitTask(new FileWriteTask($this->getDataPath() . "players/" . strtolower($name) . ".dat", $nbt->writeCompressed($ev->getSaveData())));
-				}else{
-					file_put_contents($this->getDataPath() . "players/" . strtolower($name) . ".dat", $nbt->writeCompressed($ev->getSaveData()));
-				}
+				file_put_contents($this->getDataPath() . "players/" . strtolower($name) . ".dat", $nbt->writeCompressed($ev->getSaveData()));
 			}catch(\Throwable $e){
 				$this->logger->critical($this->getLanguage()->translateString("pocketmine.data.saveError", [$name, $e->getMessage()]));
 				$this->logger->logException($e);
@@ -2404,7 +2399,7 @@ class Server{
 			Timings::$worldSaveTimer->startTiming();
 			foreach($this->players as $index => $player){
 				if($player->spawned){
-					$player->save(true);
+					$player->save();
 				}elseif(!$player->isConnected()){
 					$this->removePlayer($player);
 				}