diff --git a/changelogs/4.0-snapshot.md b/changelogs/4.0-snapshot.md
index 602f1d501..4299cf210 100644
--- a/changelogs/4.0-snapshot.md
+++ b/changelogs/4.0-snapshot.md
@@ -434,11 +434,7 @@ This version features substantial changes to the network system, improving coher
   - `Item::removeCreativeItem()` -> `CreativeInventory::remove()`
 - The following classes have been added:
   - `ArmorTypeInfo`
-  - `Boots`
-  - `Chestplate`
   - `Fertilizer`
-  - `Helmet`
-  - `Leggings`
   - `LiquidBucket`
   - `MilkBucket`
   - `WritableBookBase`
diff --git a/src/item/Armor.php b/src/item/Armor.php
index afd880e04..d2b5759ea 100644
--- a/src/item/Armor.php
+++ b/src/item/Armor.php
@@ -38,7 +38,7 @@ use pocketmine\utils\Color;
 use function lcg_value;
 use function mt_rand;
 
-abstract class Armor extends Durable{
+class Armor extends Durable{
 
 	public const TAG_CUSTOM_COLOR = "customColor"; //TAG_Int
 
@@ -65,7 +65,9 @@ abstract class Armor extends Durable{
 	 * @see ArmorInventory
 	 * @return int
 	 */
-	abstract public function getArmorSlot() : int;
+	public function getArmorSlot() : int{
+		return $this->armorInfo->getArmorSlot();
+	}
 
 	public function getMaxStackSize() : int{
 		return 1;
diff --git a/src/item/ArmorTypeInfo.php b/src/item/ArmorTypeInfo.php
index 9a89a0c5d..172a590b8 100644
--- a/src/item/ArmorTypeInfo.php
+++ b/src/item/ArmorTypeInfo.php
@@ -29,10 +29,13 @@ class ArmorTypeInfo{
 	private $defensePoints;
 	/** @var int */
 	private $maxDurability;
+	/** @var int */
+	private $armorSlot;
 
-	public function __construct(int $defensePoints, int $maxDurability){
+	public function __construct(int $defensePoints, int $maxDurability, int $armorSlot){
 		$this->defensePoints = $defensePoints;
 		$this->maxDurability = $maxDurability;
+		$this->armorSlot = $armorSlot;
 	}
 
 	/**
@@ -48,4 +51,11 @@ class ArmorTypeInfo{
 	public function getMaxDurability() : int{
 		return $this->maxDurability;
 	}
+
+	/**
+	 * @return int
+	 */
+	public function getArmorSlot() : int{
+		return $this->armorSlot;
+	}
 }
diff --git a/src/item/Boots.php b/src/item/Boots.php
deleted file mode 100644
index 13753328d..000000000
--- a/src/item/Boots.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-use pocketmine\inventory\ArmorInventory;
-
-class Boots extends Armor{
-
-	public function getArmorSlot() : int{
-		return ArmorInventory::SLOT_FEET;
-	}
-}
diff --git a/src/item/Chestplate.php b/src/item/Chestplate.php
deleted file mode 100644
index 8c0d1a7e2..000000000
--- a/src/item/Chestplate.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-use pocketmine\inventory\ArmorInventory;
-
-class Chestplate extends Armor{
-
-	public function getArmorSlot() : int{
-		return ArmorInventory::SLOT_CHEST;
-	}
-}
diff --git a/src/item/Helmet.php b/src/item/Helmet.php
deleted file mode 100644
index b6331af58..000000000
--- a/src/item/Helmet.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-use pocketmine\inventory\ArmorInventory;
-
-class Helmet extends Armor{
-
-	public function getArmorSlot() : int{
-		return ArmorInventory::SLOT_HEAD;
-	}
-}
diff --git a/src/item/ItemFactory.php b/src/item/ItemFactory.php
index 21ab8e4ca..6132fccbf 100644
--- a/src/item/ItemFactory.php
+++ b/src/item/ItemFactory.php
@@ -31,6 +31,7 @@ use pocketmine\block\utils\TreeType;
 use pocketmine\block\VanillaBlocks;
 use pocketmine\entity\EntityFactory;
 use pocketmine\entity\Living;
+use pocketmine\inventory\ArmorInventory;
 use pocketmine\nbt\tag\CompoundTag;
 use function constant;
 use function defined;
@@ -351,26 +352,26 @@ class ItemFactory{
 	}
 
 	private static function registerArmorItems() : void{
-		self::register(new Boots(ItemIds::CHAIN_BOOTS, 0, "Chainmail Boots", new ArmorTypeInfo(1, 196)));
-		self::register(new Boots(ItemIds::DIAMOND_BOOTS, 0, "Diamond Boots", new ArmorTypeInfo(3, 430)));
-		self::register(new Boots(ItemIds::GOLDEN_BOOTS, 0, "Golden Boots", new ArmorTypeInfo(1, 92)));
-		self::register(new Boots(ItemIds::IRON_BOOTS, 0, "Iron Boots", new ArmorTypeInfo(2, 196)));
-		self::register(new Boots(ItemIds::LEATHER_BOOTS, 0, "Leather Boots", new ArmorTypeInfo(1, 66)));
-		self::register(new Chestplate(ItemIds::CHAIN_CHESTPLATE, 0, "Chainmail Chestplate", new ArmorTypeInfo(5, 241)));
-		self::register(new Chestplate(ItemIds::DIAMOND_CHESTPLATE, 0, "Diamond Chestplate", new ArmorTypeInfo(8, 529)));
-		self::register(new Chestplate(ItemIds::GOLDEN_CHESTPLATE, 0, "Golden Chestplate", new ArmorTypeInfo(5, 113)));
-		self::register(new Chestplate(ItemIds::IRON_CHESTPLATE, 0, "Iron Chestplate", new ArmorTypeInfo(6, 241)));
-		self::register(new Chestplate(ItemIds::LEATHER_CHESTPLATE, 0, "Leather Tunic", new ArmorTypeInfo(3, 81)));
-		self::register(new Helmet(ItemIds::CHAIN_HELMET, 0, "Chainmail Helmet", new ArmorTypeInfo(2, 166)));
-		self::register(new Helmet(ItemIds::DIAMOND_HELMET, 0, "Diamond Helmet", new ArmorTypeInfo(3, 364)));
-		self::register(new Helmet(ItemIds::GOLDEN_HELMET, 0, "Golden Helmet", new ArmorTypeInfo(2, 78)));
-		self::register(new Helmet(ItemIds::IRON_HELMET, 0, "Iron Helmet", new ArmorTypeInfo(2, 166)));
-		self::register(new Helmet(ItemIds::LEATHER_HELMET, 0, "Leather Cap", new ArmorTypeInfo(1, 56)));
-		self::register(new Leggings(ItemIds::CHAIN_LEGGINGS, 0, "Chainmail Leggings", new ArmorTypeInfo(4, 226)));
-		self::register(new Leggings(ItemIds::DIAMOND_LEGGINGS, 0, "Diamond Leggings", new ArmorTypeInfo(6, 496)));
-		self::register(new Leggings(ItemIds::GOLDEN_LEGGINGS, 0, "Golden Leggings", new ArmorTypeInfo(3, 106)));
-		self::register(new Leggings(ItemIds::IRON_LEGGINGS, 0, "Iron Leggings", new ArmorTypeInfo(5, 226)));
-		self::register(new Leggings(ItemIds::LEATHER_LEGGINGS, 0, "Leather Pants", new ArmorTypeInfo(2, 76)));
+		self::register(new Armor(ItemIds::CHAIN_BOOTS, 0, "Chainmail Boots", new ArmorTypeInfo(1, 196, ArmorInventory::SLOT_FEET)));
+		self::register(new Armor(ItemIds::DIAMOND_BOOTS, 0, "Diamond Boots", new ArmorTypeInfo(3, 430, ArmorInventory::SLOT_FEET)));
+		self::register(new Armor(ItemIds::GOLDEN_BOOTS, 0, "Golden Boots", new ArmorTypeInfo(1, 92, ArmorInventory::SLOT_FEET)));
+		self::register(new Armor(ItemIds::IRON_BOOTS, 0, "Iron Boots", new ArmorTypeInfo(2, 196, ArmorInventory::SLOT_FEET)));
+		self::register(new Armor(ItemIds::LEATHER_BOOTS, 0, "Leather Boots", new ArmorTypeInfo(1, 66, ArmorInventory::SLOT_FEET)));
+		self::register(new Armor(ItemIds::CHAIN_CHESTPLATE, 0, "Chainmail Chestplate", new ArmorTypeInfo(5, 241, ArmorInventory::SLOT_CHEST)));
+		self::register(new Armor(ItemIds::DIAMOND_CHESTPLATE, 0, "Diamond Chestplate", new ArmorTypeInfo(8, 529, ArmorInventory::SLOT_CHEST)));
+		self::register(new Armor(ItemIds::GOLDEN_CHESTPLATE, 0, "Golden Chestplate", new ArmorTypeInfo(5, 113, ArmorInventory::SLOT_CHEST)));
+		self::register(new Armor(ItemIds::IRON_CHESTPLATE, 0, "Iron Chestplate", new ArmorTypeInfo(6, 241, ArmorInventory::SLOT_CHEST)));
+		self::register(new Armor(ItemIds::LEATHER_CHESTPLATE, 0, "Leather Tunic", new ArmorTypeInfo(3, 81, ArmorInventory::SLOT_CHEST)));
+		self::register(new Armor(ItemIds::CHAIN_HELMET, 0, "Chainmail Helmet", new ArmorTypeInfo(2, 166, ArmorInventory::SLOT_HEAD)));
+		self::register(new Armor(ItemIds::DIAMOND_HELMET, 0, "Diamond Helmet", new ArmorTypeInfo(3, 364, ArmorInventory::SLOT_HEAD)));
+		self::register(new Armor(ItemIds::GOLDEN_HELMET, 0, "Golden Helmet", new ArmorTypeInfo(2, 78, ArmorInventory::SLOT_HEAD)));
+		self::register(new Armor(ItemIds::IRON_HELMET, 0, "Iron Helmet", new ArmorTypeInfo(2, 166, ArmorInventory::SLOT_HEAD)));
+		self::register(new Armor(ItemIds::LEATHER_HELMET, 0, "Leather Cap", new ArmorTypeInfo(1, 56, ArmorInventory::SLOT_HEAD)));
+		self::register(new Armor(ItemIds::CHAIN_LEGGINGS, 0, "Chainmail Leggings", new ArmorTypeInfo(4, 226, ArmorInventory::SLOT_LEGS)));
+		self::register(new Armor(ItemIds::DIAMOND_LEGGINGS, 0, "Diamond Leggings", new ArmorTypeInfo(6, 496, ArmorInventory::SLOT_LEGS)));
+		self::register(new Armor(ItemIds::GOLDEN_LEGGINGS, 0, "Golden Leggings", new ArmorTypeInfo(3, 106, ArmorInventory::SLOT_LEGS)));
+		self::register(new Armor(ItemIds::IRON_LEGGINGS, 0, "Iron Leggings", new ArmorTypeInfo(5, 226, ArmorInventory::SLOT_LEGS)));
+		self::register(new Armor(ItemIds::LEATHER_LEGGINGS, 0, "Leather Pants", new ArmorTypeInfo(2, 76, ArmorInventory::SLOT_LEGS)));
 	}
 
 	/**
diff --git a/src/item/Leggings.php b/src/item/Leggings.php
deleted file mode 100644
index 5c1860c7d..000000000
--- a/src/item/Leggings.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-use pocketmine\inventory\ArmorInventory;
-
-class Leggings extends Armor{
-
-	public function getArmorSlot() : int{
-		return ArmorInventory::SLOT_LEGS;
-	}
-}
diff --git a/src/item/VanillaItems.php b/src/item/VanillaItems.php
index 135a65c28..c0f8f1583 100644
--- a/src/item/VanillaItems.php
+++ b/src/item/VanillaItems.php
@@ -62,10 +62,10 @@ use function assert;
  * @method static Bucket BUCKET()
  * @method static ItemBlock CAKE()
  * @method static Carrot CARROT()
- * @method static Boots CHAINMAIL_BOOTS()
- * @method static Chestplate CHAINMAIL_CHESTPLATE()
- * @method static Helmet CHAINMAIL_HELMET()
- * @method static Leggings CHAINMAIL_LEGGINGS()
+ * @method static Armor CHAINMAIL_BOOTS()
+ * @method static Armor CHAINMAIL_CHESTPLATE()
+ * @method static Armor CHAINMAIL_HELMET()
+ * @method static Armor CHAINMAIL_LEGGINGS()
  * @method static Coal CHARCOAL()
  * @method static Item CHEMICAL_ALUMINIUM_OXIDE()
  * @method static Item CHEMICAL_AMMONIA()
@@ -126,11 +126,11 @@ use function assert;
  * @method static Boat DARK_OAK_BOAT()
  * @method static Item DIAMOND()
  * @method static Axe DIAMOND_AXE()
- * @method static Boots DIAMOND_BOOTS()
- * @method static Chestplate DIAMOND_CHESTPLATE()
- * @method static Helmet DIAMOND_HELMET()
+ * @method static Armor DIAMOND_BOOTS()
+ * @method static Armor DIAMOND_CHESTPLATE()
+ * @method static Armor DIAMOND_HELMET()
  * @method static Hoe DIAMOND_HOE()
- * @method static Leggings DIAMOND_LEGGINGS()
+ * @method static Armor DIAMOND_LEGGINGS()
  * @method static Pickaxe DIAMOND_PICKAXE()
  * @method static Shovel DIAMOND_SHOVEL()
  * @method static Sword DIAMOND_SWORD()
@@ -155,12 +155,12 @@ use function assert;
  * @method static Item GOLD_NUGGET()
  * @method static GoldenApple GOLDEN_APPLE()
  * @method static Axe GOLDEN_AXE()
- * @method static Boots GOLDEN_BOOTS()
+ * @method static Armor GOLDEN_BOOTS()
  * @method static GoldenCarrot GOLDEN_CARROT()
- * @method static Chestplate GOLDEN_CHESTPLATE()
- * @method static Helmet GOLDEN_HELMET()
+ * @method static Armor GOLDEN_CHESTPLATE()
+ * @method static Armor GOLDEN_HELMET()
  * @method static Hoe GOLDEN_HOE()
- * @method static Leggings GOLDEN_LEGGINGS()
+ * @method static Armor GOLDEN_LEGGINGS()
  * @method static Pickaxe GOLDEN_PICKAXE()
  * @method static Shovel GOLDEN_SHOVEL()
  * @method static Sword GOLDEN_SWORD()
@@ -174,12 +174,12 @@ use function assert;
  * @method static Item HEART_OF_THE_SEA()
  * @method static Item INK_SAC()
  * @method static Axe IRON_AXE()
- * @method static Boots IRON_BOOTS()
- * @method static Chestplate IRON_CHESTPLATE()
- * @method static Helmet IRON_HELMET()
+ * @method static Armor IRON_BOOTS()
+ * @method static Armor IRON_CHESTPLATE()
+ * @method static Armor IRON_HELMET()
  * @method static Hoe IRON_HOE()
  * @method static Item IRON_INGOT()
- * @method static Leggings IRON_LEGGINGS()
+ * @method static Armor IRON_LEGGINGS()
  * @method static Item IRON_NUGGET()
  * @method static Pickaxe IRON_PICKAXE()
  * @method static Shovel IRON_SHOVEL()
@@ -188,10 +188,10 @@ use function assert;
  * @method static Item LAPIS_LAZULI()
  * @method static LiquidBucket LAVA_BUCKET()
  * @method static Item LEATHER()
- * @method static Boots LEATHER_BOOTS()
- * @method static Helmet LEATHER_CAP()
- * @method static Leggings LEATHER_PANTS()
- * @method static Chestplate LEATHER_TUNIC()
+ * @method static Armor LEATHER_BOOTS()
+ * @method static Armor LEATHER_CAP()
+ * @method static Armor LEATHER_PANTS()
+ * @method static Armor LEATHER_TUNIC()
  * @method static Banner LIGHT_BLUE_BANNER()
  * @method static Bed LIGHT_BLUE_BED()
  * @method static Dye LIGHT_BLUE_DYE()