diff --git a/src/pocketmine/CrashDump.php b/src/pocketmine/CrashDump.php
index 537234bb9..91606951f 100644
--- a/src/pocketmine/CrashDump.php
+++ b/src/pocketmine/CrashDump.php
@@ -228,7 +228,7 @@ class CrashDump{
 		$this->data["general"]["zend"] = zend_version();
 		$this->data["general"]["php_os"] = PHP_OS;
 		$this->data["general"]["os"] = Utils::getOS();
-		$this->addLine("PocketMine-MP version: " . $version->get(false) . " #" . $version->getNumber() . " [Protocol " . Info::CURRENT_PROTOCOL . "; API " . API_VERSION . "]");
+		$this->addLine("PocketMine-MP version: " . $version->get(false) . " #" . $version->getBuild() . " [Protocol " . Info::CURRENT_PROTOCOL . "; API " . API_VERSION . "]");
 		$this->addLine("Git commit: " . GIT_COMMIT);
 		$this->addLine("uname -a: " . php_uname("a"));
 		$this->addLine("PHP Version: " . phpversion());
diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index bb50eb53e..e4accebc4 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1344,20 +1344,6 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 					$this->server->getLogger()->warning($this->getName()." moved too quickly!");
 					$revert = true;
 				}else{
-
-					/*if(($this->onGround and $dy != 0) or (!$this->onGround and $dy <= 0)){
-						if(count($this->getLevel()->getCollisionBlocks($this->boundingBox->getOffsetBoundingBox(0, $dy - 0.1, 0))) > 0){
-							$isColliding = true;
-						}else{
-							$isColliding = false;
-						}
-
-						$this->onGround = ($dy <= 0 and $isColliding);
-					}
-
-					$this->updateFallState($dy, $this->onGround);*/
-
-
 					if($this->chunk === null or !$this->chunk->isGenerated()){
 						$chunk = $this->getLevel()->getChunkAt($newPos->x >> 4, $newPos->z >> 4);
 						if(!($chunk instanceof FullChunk) or !$chunk->isGenerated()){
diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 34b2972fd..7131e8d02 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -1114,7 +1114,6 @@ abstract class Entity extends Position implements Metadatable{
 				$level->removeEntity($this);
 			}
 			$this->despawnFromAll();
-			$this->level = null;
 		}
 	}
 
diff --git a/src/pocketmine/tile/Tile.php b/src/pocketmine/tile/Tile.php
index 1a7402ac9..41871de02 100644
--- a/src/pocketmine/tile/Tile.php
+++ b/src/pocketmine/tile/Tile.php
@@ -118,7 +118,6 @@ abstract class Tile extends Position{
 			if(($level = $this->getLevel()) instanceof Level){
 				$level->removeTile($this);
 			}
-			$this->level = null;
 		}
 	}