diff --git a/composer.json b/composer.json
index 35adb7adc..866935722 100644
--- a/composer.json
+++ b/composer.json
@@ -47,7 +47,6 @@
       "pocketmine/raklib": "^0.14.2",
       "pocketmine/raklib-ipc": "^0.1.0",
       "pocketmine/snooze": "^0.3.0",
-      "pocketmine/spl": "dev-master",
       "ramsey/uuid": "^4.1",
       "webmozart/path-util": "^2.3"
    },
diff --git a/composer.lock b/composer.lock
index b2878d494..ffed79405 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "9b3c01e7b850d45218b81a436f463011",
+    "content-hash": "94aedb2c8c81dd851b775b7b4e1467cb",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -798,43 +798,6 @@
             },
             "time": "2021-11-01T20:50:08+00:00"
         },
-        {
-            "name": "pocketmine/spl",
-            "version": "dev-master",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/pmmp/SPL.git",
-                "reference": "b7a8904f912c1f6d38ad867ff1120614ccb80171"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/pmmp/SPL/zipball/b7a8904f912c1f6d38ad867ff1120614ccb80171",
-                "reference": "b7a8904f912c1f6d38ad867ff1120614ccb80171",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.2 || ^8.0"
-            },
-            "require-dev": {
-                "phpstan/phpstan": "^0.12.8"
-            },
-            "type": "library",
-            "autoload": {
-                "classmap": [
-                    "./src"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "LGPL-3.0"
-            ],
-            "description": "Standard library files required by PocketMine-MP and related projects",
-            "support": {
-                "issues": "https://github.com/pmmp/SPL/issues",
-                "source": "https://github.com/pmmp/SPL/tree/master"
-            },
-            "time": "2021-01-15T15:19:34+00:00"
-        },
         {
             "name": "ramsey/collection",
             "version": "1.2.2",
@@ -3493,8 +3456,7 @@
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": {
-        "pocketmine/bedrock-protocol": 20,
-        "pocketmine/spl": 20
+        "pocketmine/bedrock-protocol": 20
     },
     "prefer-stable": false,
     "prefer-lowest": false,
diff --git a/src/network/mcpe/InventoryManager.php b/src/network/mcpe/InventoryManager.php
index b5271f5f9..07092d2ed 100644
--- a/src/network/mcpe/InventoryManager.php
+++ b/src/network/mcpe/InventoryManager.php
@@ -151,7 +151,7 @@ class InventoryManager{
 				return;
 			}
 		}
-		throw new \UnsupportedOperationException("Unsupported inventory type");
+		throw new \LogicException("Unsupported inventory type");
 	}
 
 	/** @phpstan-return ObjectSet<ContainerOpenClosure> */
diff --git a/src/network/mcpe/NetworkSession.php b/src/network/mcpe/NetworkSession.php
index ed910c45e..cf189d875 100644
--- a/src/network/mcpe/NetworkSession.php
+++ b/src/network/mcpe/NetworkSession.php
@@ -536,8 +536,6 @@ class NetworkSession{
 
 	/**
 	 * Instructs the remote client to connect to a different server.
-	 *
-	 * @throws \UnsupportedOperationException
 	 */
 	public function transfer(string $ip, int $port, string $reason = "transfer") : void{
 		$this->tryDisconnect(function() use ($ip, $port, $reason) : void{