diff --git a/src/pocketmine/block/Air.php b/src/pocketmine/block/Air.php
index 9908bea838..6ba70d3198 100644
--- a/src/pocketmine/block/Air.php
+++ b/src/pocketmine/block/Air.php
@@ -21,25 +21,26 @@
 
 namespace pocketmine\block;
 
-use pocketmine\math\AxisAlignedBB;
-
 
 /**
  * Air block
  */
 class Air extends Transparent{
+	public $isActivable = false;
+	public $breakable = false;
+	public $isFlowable = true;
+	public $isTransparent = true;
+	public $isReplaceable = true;
+	public $isPlaceable = false;
+	public $hasPhysics = false;
+	public $isSolid = false;
+	public $isFullBlock = true;
+	protected $id = self::AIR;
+	protected $meta = 0;
+	protected $name = "Air";
+	protected $hardness = 0;
+
 	public function __construct(){
-		parent::__construct(self::AIR, 0, "Air");
-		$this->isActivable = false;
-		$this->breakable = false;
-		$this->isFlowable = true;
-		$this->isTransparent = true;
-		$this->isReplaceable = true;
-		$this->isPlaceable = false;
-		$this->hasPhysics = false;
-		$this->isSolid = false;
-		$this->isFullBlock = true;
-		$this->hardness = 0;
 
 	}
 
diff --git a/src/pocketmine/block/Block.php b/src/pocketmine/block/Block.php
index c468bd4de5..40cbd0cd4f 100644
--- a/src/pocketmine/block/Block.php
+++ b/src/pocketmine/block/Block.php
@@ -506,9 +506,9 @@ abstract class Block extends Position implements Metadatable{
 	public static $list = [];
 	protected $id;
 	protected $meta;
-	protected $name;
-	protected $breakTime;
-	protected $hardness;
+	protected $name = "Unknown";
+	protected $breakTime = 0.20;
+	protected $hardness = 10;
 	public $isActivable = false;
 	public $breakable = true;
 	public $isFlowable = false;
@@ -698,8 +698,6 @@ abstract class Block extends Position implements Metadatable{
 		$this->id = (int) $id;
 		$this->meta = (int) $meta;
 		$this->name = $name;
-		$this->breakTime = 0.20;
-		$this->hardness = 10;
 	}
 
 	/**
diff --git a/src/pocketmine/block/Dirt.php b/src/pocketmine/block/Dirt.php
index 7eafff6ef4..cf4a26c2cb 100644
--- a/src/pocketmine/block/Dirt.php
+++ b/src/pocketmine/block/Dirt.php
@@ -25,10 +25,15 @@ use pocketmine\item\Item;
 use pocketmine\Player;
 
 class Dirt extends Solid{
+
+	public $isActivable = true;
+	protected $hardness = 2.5;
+	protected $id = self::DIRT;
+	protected $meta = 0;
+	protected $name = "Dirt";
+
 	public function __construct(){
-		parent::__construct(self::DIRT, 0, "Dirt");
-		$this->isActivable = true;
-		$this->hardness = 2.5;
+
 	}
 
 	public function onActivate(Item $item, Player $player = null){
diff --git a/src/pocketmine/block/Fallable.php b/src/pocketmine/block/Fallable.php
index 825482a14c..518f4e79f3 100644
--- a/src/pocketmine/block/Fallable.php
+++ b/src/pocketmine/block/Fallable.php
@@ -26,10 +26,7 @@ use pocketmine\Player;
 
 class Fallable extends Solid{
 
-	public function __construct($id, $meta = 0, $name = "Unknown"){
-		parent::__construct($id, $meta, $name);
-		$this->hasPhysics = true;
-	}
+	public $hasPhysics = true;
 
 	public function place(Item $item, Block $block, Block $target, $face, $fx, $fy, $fz, Player $player = null){
 		$ret = $this->getLevel()->setBlock($this, $this, true, false, true);
diff --git a/src/pocketmine/block/Flowable.php b/src/pocketmine/block/Flowable.php
index 0a4a7aa295..b328529cf4 100644
--- a/src/pocketmine/block/Flowable.php
+++ b/src/pocketmine/block/Flowable.php
@@ -23,10 +23,9 @@ namespace pocketmine\block;
 
 
 class Flowable extends Transparent{
-	public function __construct($id, $meta = 0, $name = "Unknown"){
-		parent::__construct($id, $meta, $name);
-		$this->isFlowable = true;
-		$this->isFullBlock = false;
-		$this->isSolid = false;
-	}
+
+	public $isFlowable = true;
+	public $isFullBlock = false;
+	public $isSolid = false;
+
 }
\ No newline at end of file
diff --git a/src/pocketmine/block/Generic.php b/src/pocketmine/block/Generic.php
index 429ccc5198..491b44c228 100644
--- a/src/pocketmine/block/Generic.php
+++ b/src/pocketmine/block/Generic.php
@@ -27,15 +27,6 @@ use pocketmine\Player;
 
 class Generic extends Block{
 
-	/**
-	 * @param int    $id
-	 * @param int    $meta
-	 * @param string $name
-	 */
-	public function __construct($id, $meta = 0, $name = "Unknown"){
-		parent::__construct($id, $meta, $name);
-	}
-
 	public function place(Item $item, Block $block, Block $target, $face, $fx, $fy, $fz, Player $player = null){
 		return $this->getLevel()->setBlock($this, $this, true, false, true);
 	}
diff --git a/src/pocketmine/block/Grass.php b/src/pocketmine/block/Grass.php
index 991a97dc94..7af32df9bf 100644
--- a/src/pocketmine/block/Grass.php
+++ b/src/pocketmine/block/Grass.php
@@ -29,10 +29,15 @@ use pocketmine\Player;
 use pocketmine\utils\Random;
 
 class Grass extends Solid{
+
+	public $isActivable = true;
+	protected $hardness = 3;
+	protected $id = self::GRASS;
+	protected $meta = 0;
+	protected $name = "Grass";
+
 	public function __construct(){
-		parent::__construct(self::GRASS, 0, "Grass");
-		$this->isActivable = true;
-		$this->hardness = 3;
+
 	}
 
 	public function getDrops(Item $item){
diff --git a/src/pocketmine/block/Liquid.php b/src/pocketmine/block/Liquid.php
index 7125d2e990..5b04662ffe 100644
--- a/src/pocketmine/block/Liquid.php
+++ b/src/pocketmine/block/Liquid.php
@@ -23,12 +23,9 @@ namespace pocketmine\block;
 
 
 class Liquid extends Transparent{
-	public function __construct($id, $meta = 0, $name = "Unknown"){
-		parent::__construct($id, $meta, $name);
-		$this->isLiquid = true;
-		$this->breakable = false;
-		$this->isReplaceable = true;
-		$this->isSolid = false;
-		$this->isFullBlock = true;
-	}
+	public $isLiquid = true;
+	public $breakable = false;
+	public $isReplaceable = true;
+	public $isSolid = false;
+	public $isFullBlock = true;
 }
\ No newline at end of file
diff --git a/src/pocketmine/block/Stone.php b/src/pocketmine/block/Stone.php
index 688326d04c..6044a7bed9 100644
--- a/src/pocketmine/block/Stone.php
+++ b/src/pocketmine/block/Stone.php
@@ -32,8 +32,11 @@ class Stone extends Solid{
 	const ANDESITE = 5;
 	const POLISHED_ANDESITE = 6;
 
+	protected $hardness = 30;
+	protected $id = self::STONE;
+
 	public function __construct($meta = 0){
-		parent::__construct(self::STONE, $meta, "Stone");
+		$this->meta = $meta;
 		$names = [
 			self::NORMAL => "Stone",
 			self::GRANITE => "Granite",
@@ -44,7 +47,6 @@ class Stone extends Solid{
 			self::POLISHED_ANDESITE => "Polished Andesite",
 		];
 		$this->name = $names[$this->meta & 0x07];
-		$this->hardness = 30;
 	}
 
 	public function getBreakTime(Item $item){
diff --git a/src/pocketmine/block/Transparent.php b/src/pocketmine/block/Transparent.php
index c2b33b24ef..6771685d7e 100644
--- a/src/pocketmine/block/Transparent.php
+++ b/src/pocketmine/block/Transparent.php
@@ -22,16 +22,13 @@
 namespace pocketmine\block;
 
 
-class Transparent extends Generic{
 
-	public function __construct($id, $meta = 0, $name = "Unknown"){
-		parent::__construct($id, $meta, $name);
-		$this->isActivable = false;
-		$this->breakable = true;
-		$this->isFlowable = false;
-		$this->isTransparent = true;
-		$this->isReplaceable = false;
-		$this->isPlaceable = true;
-		$this->isSolid = true;
-	}
+class Transparent extends Generic{
+	public $isActivable = false;
+	public $breakable = true;
+	public $isFlowable = false;
+	public $isTransparent = true;
+	public $isReplaceable = false;
+	public $isPlaceable = true;
+	public $isSolid = true;
 }
\ No newline at end of file