diff --git a/src/pocketmine/block/Door.php b/src/pocketmine/block/Door.php
index 674ce94e0..4c7c1e02c 100644
--- a/src/pocketmine/block/Door.php
+++ b/src/pocketmine/block/Door.php
@@ -73,7 +73,7 @@ abstract class Door extends Transparent{
 		if($j === 0){
 			if($flag){
 				if(!$flag1){
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -82,7 +82,7 @@ abstract class Door extends Transparent{
 						$this->z + $f
 					);
 				}else{
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x,
 						$this->y,
 						$this->z + 1 - $f,
@@ -92,7 +92,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x,
 					$this->y,
 					$this->z,
@@ -104,7 +104,7 @@ abstract class Door extends Transparent{
 		}elseif($j === 1){
 			if($flag){
 				if(!$flag1){
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x + 1 - $f,
 						$this->y,
 						$this->z,
@@ -113,7 +113,7 @@ abstract class Door extends Transparent{
 						$this->z + 1
 					);
 				}else{
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -123,7 +123,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x,
 					$this->y,
 					$this->z,
@@ -135,7 +135,7 @@ abstract class Door extends Transparent{
 		}elseif($j === 2){
 			if($flag){
 				if(!$flag1){
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x,
 						$this->y,
 						$this->z + 1 - $f,
@@ -144,7 +144,7 @@ abstract class Door extends Transparent{
 						$this->z + 1
 					);
 				}else{
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -154,7 +154,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x + 1 - $f,
 					$this->y,
 					$this->z,
@@ -166,7 +166,7 @@ abstract class Door extends Transparent{
 		}elseif($j === 3){
 			if($flag){
 				if(!$flag1){
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x,
 						$this->y,
 						$this->z,
@@ -175,7 +175,7 @@ abstract class Door extends Transparent{
 						$this->z + 1
 					);
 				}else{
-					$bb = AxisAlignedBB::getBoundingBoxFromPool(
+					$bb->setBounds(
 						$this->x + 1 - $f,
 						$this->y,
 						$this->z,
@@ -185,7 +185,7 @@ abstract class Door extends Transparent{
 					);
 				}
 			}else{
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x,
 					$this->y,
 					$this->z + 1 - $f,
diff --git a/src/pocketmine/block/Trapdoor.php b/src/pocketmine/block/Trapdoor.php
index a706e9cb6..619bcd8d7 100644
--- a/src/pocketmine/block/Trapdoor.php
+++ b/src/pocketmine/block/Trapdoor.php
@@ -43,8 +43,6 @@ class Trapdoor extends Transparent{
 
 		$f = 0.1875;
 
-		$bb = null;
-
 		if(($damage & 0x08) > 0){
 			$bb = AxisAlignedBB::getBoundingBoxFromPool(
 				$this->x,
@@ -67,7 +65,7 @@ class Trapdoor extends Transparent{
 
 		if(($damage & 0x04) > 0){
 			if(($damage & 0x03) === 0){
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x,
 					$this->y,
 					$this->z + 1 - $f,
@@ -76,7 +74,7 @@ class Trapdoor extends Transparent{
 					$this->z + 1
 				);
 			}elseif(($damage & 0x03) === 1){
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x,
 					$this->y,
 					$this->z,
@@ -85,7 +83,7 @@ class Trapdoor extends Transparent{
 					$this->z + $f
 				);
 			}if(($damage & 0x03) === 2){
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x + 1 - $f,
 					$this->y,
 					$this->z,
@@ -94,7 +92,7 @@ class Trapdoor extends Transparent{
 					$this->z + 1
 				);
 			}if(($damage & 0x03) === 3){
-				$bb = AxisAlignedBB::getBoundingBoxFromPool(
+				$bb->setBounds(
 					$this->x,
 					$this->y,
 					$this->z,