diff --git a/src/main/java/com/atsuishio/superbwarfare/capability/player/ModVariables.java b/src/main/java/com/atsuishio/superbwarfare/capability/player/ModVariables.java
deleted file mode 100644
index 671cc96cc..000000000
--- a/src/main/java/com/atsuishio/superbwarfare/capability/player/ModVariables.java
+++ /dev/null
@@ -1,54 +0,0 @@
-package com.atsuishio.superbwarfare.capability.player;
-
-import com.atsuishio.superbwarfare.ModUtils;
-import com.atsuishio.superbwarfare.network.message.SavedDataSyncMessage;
-import net.minecraft.core.HolderLookup;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.server.level.ServerLevel;
-import net.minecraft.world.level.Level;
-import net.minecraft.world.level.LevelAccessor;
-import net.minecraft.world.level.saveddata.SavedData;
-import net.neoforged.neoforge.network.PacketDistributor;
-import org.jetbrains.annotations.NotNull;
-
-
-public class ModVariables {
-
-    // 这玩意有用吗？
-
-    public static class WorldVariables extends SavedData {
-        public static final String DATA_NAME = ModUtils.MODID + "_world_variables";
-
-        public static WorldVariables load(CompoundTag tag, HolderLookup.Provider provider) {
-            WorldVariables data = new WorldVariables();
-            data.read(tag);
-            return data;
-        }
-
-        public void read(CompoundTag nbt) {
-        }
-
-        @Override
-        public @NotNull CompoundTag save(@NotNull CompoundTag tag, HolderLookup.@NotNull Provider registries) {
-            return tag;
-        }
-
-        public void syncData(LevelAccessor world) {
-            this.setDirty();
-            if (world instanceof Level level && !level.isClientSide()) {
-                PacketDistributor.sendToAllPlayers(new SavedDataSyncMessage(1, this, null));
-            }
-        }
-
-        public static WorldVariables clientSide = new WorldVariables();
-
-        public static WorldVariables get(LevelAccessor world) {
-            if (world instanceof ServerLevel level)
-                return level.getDataStorage().computeIfAbsent(new Factory<>(
-                        WorldVariables::new, WorldVariables::load, null
-                ), DATA_NAME);
-            return clientSide;
-        }
-    }
-
-}
diff --git a/src/main/java/com/atsuishio/superbwarfare/capability/player/PlayerVariable.java b/src/main/java/com/atsuishio/superbwarfare/capability/player/PlayerVariable.java
index 02de3da5f..438807469 100644
--- a/src/main/java/com/atsuishio/superbwarfare/capability/player/PlayerVariable.java
+++ b/src/main/java/com/atsuishio/superbwarfare/capability/player/PlayerVariable.java
@@ -3,13 +3,11 @@ package com.atsuishio.superbwarfare.capability.player;
 import com.atsuishio.superbwarfare.ModUtils;
 import com.atsuishio.superbwarfare.capability.ModCapabilities;
 import com.atsuishio.superbwarfare.network.message.PlayerVariablesSyncMessage;
-import com.atsuishio.superbwarfare.network.message.SavedDataSyncMessage;
 import com.atsuishio.superbwarfare.tools.AmmoType;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.Entity;
-import net.minecraft.world.level.saveddata.SavedData;
 import net.neoforged.bus.api.SubscribeEvent;
 import net.neoforged.fml.common.EventBusSubscriber;
 import net.neoforged.neoforge.event.entity.player.PlayerEvent;
@@ -146,22 +144,4 @@ public class PlayerVariable {
         var cap = player.getCapability(ModCapabilities.PLAYER_VARIABLE, null);
         if (cap != null) cap.syncPlayerVariables(player);
     }
-
-    @SubscribeEvent
-    public static void onPlayerLoggedIn(PlayerEvent.PlayerLoggedInEvent event) {
-        if (event.getEntity().level().isClientSide()) return;
-        SavedData worldData = ModVariables.WorldVariables.get(event.getEntity().level());
-        if (worldData != null) {
-            PacketDistributor.sendToPlayer((ServerPlayer) event.getEntity(), new SavedDataSyncMessage(1, worldData, null));
-        }
-    }
-
-    @SubscribeEvent
-    public static void onPlayerChangedDimension(PlayerEvent.PlayerChangedDimensionEvent event) {
-        if (event.getEntity().level().isClientSide()) return;
-        SavedData worldData = ModVariables.WorldVariables.get(event.getEntity().level());
-        if (worldData != null) {
-            PacketDistributor.sendToPlayer((ServerPlayer) event.getEntity(), new SavedDataSyncMessage(1, worldData, null));
-        }
-    }
 }
diff --git a/src/main/java/com/atsuishio/superbwarfare/network/NetworkRegistry.java b/src/main/java/com/atsuishio/superbwarfare/network/NetworkRegistry.java
index 43036f603..dab93eac2 100644
--- a/src/main/java/com/atsuishio/superbwarfare/network/NetworkRegistry.java
+++ b/src/main/java/com/atsuishio/superbwarfare/network/NetworkRegistry.java
@@ -1,7 +1,6 @@
 package com.atsuishio.superbwarfare.network;
 
 import com.atsuishio.superbwarfare.network.message.PlayerVariablesSyncMessage;
-import com.atsuishio.superbwarfare.network.message.SavedDataSyncMessage;
 import net.neoforged.neoforge.network.event.RegisterPayloadHandlersEvent;
 import net.neoforged.neoforge.network.registration.PayloadRegistrar;
 
@@ -14,11 +13,5 @@ public class NetworkRegistry {
                 PlayerVariablesSyncMessage.STREAM_CODEC,
                 PlayerVariablesSyncMessage::handler
         );
-
-        registrar.playToClient(
-                SavedDataSyncMessage.TYPE,
-                SavedDataSyncMessage.STREAM_CODEC,
-                SavedDataSyncMessage::handler
-        );
     }
 }
diff --git a/src/main/java/com/atsuishio/superbwarfare/network/message/SavedDataSyncMessage.java b/src/main/java/com/atsuishio/superbwarfare/network/message/SavedDataSyncMessage.java
deleted file mode 100644
index 7e493bc24..000000000
--- a/src/main/java/com/atsuishio/superbwarfare/network/message/SavedDataSyncMessage.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package com.atsuishio.superbwarfare.network.message;
-
-import com.atsuishio.superbwarfare.ModUtils;
-import com.atsuishio.superbwarfare.capability.player.ModVariables;
-import io.netty.buffer.ByteBuf;
-import net.minecraft.core.HolderLookup;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.network.codec.ByteBufCodecs;
-import net.minecraft.network.codec.StreamCodec;
-import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
-import net.minecraft.world.level.saveddata.SavedData;
-import net.neoforged.neoforge.network.handling.IPayloadContext;
-import org.jetbrains.annotations.NotNull;
-
-public record SavedDataSyncMessage(
-        int messageType,
-        SavedData data,
-        HolderLookup.Provider registries
-) implements CustomPacketPayload {
-    public static final CustomPacketPayload.Type<SavedDataSyncMessage> TYPE = new CustomPacketPayload.Type<>(ModUtils.loc("saved_data_sync"));
-
-    public static final StreamCodec<ByteBuf, SavedDataSyncMessage> STREAM_CODEC = StreamCodec.composite(
-            ByteBufCodecs.INT,
-            SavedDataSyncMessage::messageType,
-            ByteBufCodecs.COMPOUND_TAG,
-            SavedDataSyncMessage::getNBT,
-            (type, nbt) -> new SavedDataSyncMessage(type, null, null)
-    );
-
-    public CompoundTag getNBT() {
-        return this.data.save(new CompoundTag(), registries);
-    }
-
-    public static void handler(final SavedDataSyncMessage message, final IPayloadContext context) {
-        if (message.data != null && message.messageType != 0) {
-            ModVariables.WorldVariables.clientSide = (ModVariables.WorldVariables) message.data;
-        }
-    }
-
-    @Override
-    public @NotNull Type<? extends CustomPacketPayload> type() {
-        return TYPE;
-    }
-}