diff --git a/src/main/java/org/samo_lego/simpleauth/event/AuthEventHandler.java b/src/main/java/org/samo_lego/simpleauth/event/AuthEventHandler.java
index 2225e95..ccd1a46 100644
--- a/src/main/java/org/samo_lego/simpleauth/event/AuthEventHandler.java
+++ b/src/main/java/org/samo_lego/simpleauth/event/AuthEventHandler.java
@@ -188,7 +188,7 @@ public class AuthEventHandler {
         // Getting the message to then be able to check it
         String msg = chatMessageC2SPacket.getChatMessage();
         if(
-            !isAuthenticated(player) &&
+            !isAuthenticated((ServerPlayerEntity) player) &&
             !msg.startsWith("/login") &&
             !msg.startsWith("/register") &&
             (!config.experimental.allowChat || msg.startsWith("/"))
@@ -201,7 +201,7 @@ public class AuthEventHandler {
 
     // Player movement
     public static ActionResult onPlayerMove(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.experimental.allowMovement) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.experimental.allowMovement) {
             return ActionResult.FAIL;
         }
         return ActionResult.PASS;
@@ -209,7 +209,7 @@ public class AuthEventHandler {
 
     // Using a block (right-click function)
     public static ActionResult onUseBlock(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.experimental.allowBlockUse) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.experimental.allowBlockUse) {
             player.sendMessage(notAuthenticated(), false);
             return ActionResult.FAIL;
         }
@@ -218,7 +218,7 @@ public class AuthEventHandler {
 
     // Punching a block
     public static ActionResult onAttackBlock(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.experimental.allowBlockPunch) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.experimental.allowBlockPunch) {
             player.sendMessage(notAuthenticated(), false);
             return ActionResult.FAIL;
         }
@@ -227,7 +227,7 @@ public class AuthEventHandler {
 
     // Using an item
     public static TypedActionResult<ItemStack> onUseItem(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.experimental.allowItemUse) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.experimental.allowItemUse) {
             player.sendMessage(notAuthenticated(), false);
             return TypedActionResult.fail(ItemStack.EMPTY);
         }
@@ -236,7 +236,7 @@ public class AuthEventHandler {
     }
     // Dropping an item
     public static ActionResult onDropItem(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.experimental.allowItemDrop) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.experimental.allowItemDrop) {
             player.sendMessage(notAuthenticated(), false);
             return ActionResult.FAIL;
         }
@@ -244,7 +244,7 @@ public class AuthEventHandler {
     }
     // Changing inventory (item moving etc.)
     public static ActionResult onTakeItem(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.experimental.allowItemMoving) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.experimental.allowItemMoving) {
             player.sendMessage(notAuthenticated(), false);
             return ActionResult.FAIL;
         }
@@ -253,7 +253,7 @@ public class AuthEventHandler {
     }
     // Attacking an entity
     public static ActionResult onAttackEntity(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.experimental.allowEntityPunch) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.experimental.allowEntityPunch) {
             player.sendMessage(notAuthenticated(), false);
             return ActionResult.FAIL;
         }
@@ -262,7 +262,7 @@ public class AuthEventHandler {
     }
     // Interacting with entity
     public static ActionResult onUseEntity(PlayerEntity player) {
-        if(!isAuthenticated(player) && !config.main.allowEntityInteract) {
+        if(!isAuthenticated((ServerPlayerEntity) player) && !config.main.allowEntityInteract) {
             player.sendMessage(notAuthenticated(), false);
             return ActionResult.FAIL;
         }
diff --git a/src/main/java/org/samo_lego/simpleauth/mixin/MixinPlayerManager.java b/src/main/java/org/samo_lego/simpleauth/mixin/MixinPlayerManager.java
index 8aca193..0a48656 100644
--- a/src/main/java/org/samo_lego/simpleauth/mixin/MixinPlayerManager.java
+++ b/src/main/java/org/samo_lego/simpleauth/mixin/MixinPlayerManager.java
@@ -2,7 +2,6 @@ package org.samo_lego.simpleauth.mixin;
 
 import com.mojang.authlib.GameProfile;
 import net.minecraft.network.ClientConnection;
-import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.PlayerManager;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.text.LiteralText;
@@ -10,9 +9,7 @@ import net.minecraft.text.Text;
 import org.samo_lego.simpleauth.event.entity.player.PlayerJoinServerCallback;
 import org.samo_lego.simpleauth.event.entity.player.PlayerLeaveServerCallback;
 import org.samo_lego.simpleauth.event.entity.player.PrePlayerJoinCallback;
-import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
@@ -23,9 +20,6 @@ import java.net.SocketAddress;
 @Mixin(PlayerManager.class)
 public abstract class MixinPlayerManager {
 
-    @Final @Shadow
-    private MinecraftServer server;
-
     @Inject(method = "onPlayerConnect(Lnet/minecraft/network/ClientConnection;Lnet/minecraft/server/network/ServerPlayerEntity;)V", at = @At("RETURN"))
     private void onPlayerConnect(ClientConnection clientConnection, ServerPlayerEntity serverPlayerEntity, CallbackInfo ci) {
         PlayerJoinServerCallback.EVENT.invoker().onPlayerJoin(serverPlayerEntity);