diff --git a/src/main/java/org/samo_lego/simpleauth/SimpleAuth.java b/src/main/java/org/samo_lego/simpleauth/SimpleAuth.java
index ce0e8cd..16b053c 100644
--- a/src/main/java/org/samo_lego/simpleauth/SimpleAuth.java
+++ b/src/main/java/org/samo_lego/simpleauth/SimpleAuth.java
@@ -20,6 +20,7 @@ import java.io.FileReader;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Properties;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
diff --git a/src/main/java/org/samo_lego/simpleauth/storage/PlayerCache.java b/src/main/java/org/samo_lego/simpleauth/storage/PlayerCache.java
index ec2613a..b489a27 100644
--- a/src/main/java/org/samo_lego/simpleauth/storage/PlayerCache.java
+++ b/src/main/java/org/samo_lego/simpleauth/storage/PlayerCache.java
@@ -1,14 +1,11 @@
 package org.samo_lego.simpleauth.storage;
 
-import com.google.gson.*;
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
 import net.minecraft.block.Blocks;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.server.world.ServerWorld;
-import net.minecraft.text.LiteralText;
-import net.minecraft.util.Identifier;
 import net.minecraft.util.math.Vec3d;
-import net.minecraft.util.registry.Registry;
-import net.minecraft.util.registry.RegistryKey;
 
 import java.util.Objects;
 
@@ -121,8 +118,6 @@ public class PlayerCache {
             playerCache.lastIp = player.getIp();
 
             playerCache.wasInPortal = player.getBlockState().getBlock().equals(Blocks.NETHER_PORTAL);
-            playerCache.lastAir = player.getAir();
-            playerCache.wasOnFire = player.isOnFire();
 
             // Setting position cache
             playerCache.lastLocation.dimension = player.getServerWorld();
@@ -132,8 +127,6 @@ public class PlayerCache {
         }
         else {
             playerCache.wasInPortal = false;
-            playerCache.lastAir = 300;
-            playerCache.wasOnFire = false;
         }
 
         return playerCache;
diff --git a/src/main/java/org/samo_lego/simpleauth/storage/database/LevelDB.java b/src/main/java/org/samo_lego/simpleauth/storage/database/LevelDB.java
index 30c5388..b0cbc06 100644
--- a/src/main/java/org/samo_lego/simpleauth/storage/database/LevelDB.java
+++ b/src/main/java/org/samo_lego/simpleauth/storage/database/LevelDB.java
@@ -64,7 +64,7 @@ public class LevelDB {
      * @return true if operation was successful, otherwise false
      */
     @Deprecated
-    public boolean registerUser(String uuid, String data) {
+    public static boolean registerUser(String uuid, String data) {
         try {
             if(!isUserRegistered(uuid)) {
                 levelDBStore.put(bytes("UUID:" + uuid), bytes("data:" + data));
@@ -112,7 +112,7 @@ public class LevelDB {
      * @param data data to put inside database
      */
     @Deprecated
-    public void updateUserData(String uuid, String data) {
+    public static void updateUserData(String uuid, String data) {
         try {
             levelDBStore.put(bytes("UUID:" + uuid), bytes("data:" + data));
         } catch (Error e) {
diff --git a/src/main/java/org/samo_lego/simpleauth/storage/database/MongoDB.java b/src/main/java/org/samo_lego/simpleauth/storage/database/MongoDB.java
index 0d58bf0..161d496 100644
--- a/src/main/java/org/samo_lego/simpleauth/storage/database/MongoDB.java
+++ b/src/main/java/org/samo_lego/simpleauth/storage/database/MongoDB.java
@@ -32,6 +32,7 @@ public class MongoDB {
                         config.mongoDBCredentials.useSsl
 
                 )
+            playerCache.wasOnFire = false;
         );*/
         mongoClient = MongoClients.create(String.format("mongodb://%s:%d", config.mongoDBCredentials.host, config.mongoDBCredentials.port));
         MongoDatabase database = mongoClient.getDatabase(config.mongoDBCredentials.databaseName);