diff --git a/src/main/java/cn/crtlprototypestudios/precisemanufacturing/foundation/block/decomponentalizer/DecomponentalizerInventory.java b/src/main/java/cn/crtlprototypestudios/precisemanufacturing/foundation/block/decomponentalizer/DecomponentalizerInventory.java
deleted file mode 100644
index cf0ffd0..0000000
--- a/src/main/java/cn/crtlprototypestudios/precisemanufacturing/foundation/block/decomponentalizer/DecomponentalizerInventory.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package cn.crtlprototypestudios.precisemanufacturing.foundation.block.decomponentalizer;
-
-import cn.crtlprototypestudios.precisemanufacturing.foundation.ModTags;
-import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.item.Items;
-import net.minecraftforge.items.ItemStackHandler;
-import net.minecraftforge.registries.ForgeRegistries;
-import org.jetbrains.annotations.NotNull;
-
-public class DecomponentalizerInventory extends ItemStackHandler {
-    private final DecomponentalizerBlockEntity blockEntity;
-    public DecomponentalizerInventory(DecomponentalizerBlockEntity blockEntity) {
-        super(4);
-        this.blockEntity = blockEntity;
-    }
-
-    @Override
-    protected void onContentsChanged(int slot) {
-        super.onContentsChanged(slot);
-        blockEntity.setChanged();
-    }
-
-    @Override
-    public boolean isItemValid(int slot, @NotNull ItemStack stack) {
-        return switch (slot) {
-            case 0 -> // Paper slot
-                    stack.sameItem(new ItemStack(Items.PAPER));
-            case 1 -> // Ink Slot
-                    stack.sameItem(new ItemStack(Items.INK_SAC));
-            case 2 -> // Gun Slot
-                    stack.getItem().getRegistryName().toString().equals("tacz:modern_kinetic_gun");
-            case 3 -> false;
-            default -> super.isItemValid(slot, stack);
-        };
-    }
-}