diff --git a/src/main/java/net/raphimc/viaproxy/injection/mixins/MixinItemPacketRewriter1_9.java b/src/main/java/net/raphimc/viaproxy/injection/mixins/MixinItemPacketRewriter1_9.java
index 12ca9b8..945496e 100644
--- a/src/main/java/net/raphimc/viaproxy/injection/mixins/MixinItemPacketRewriter1_9.java
+++ b/src/main/java/net/raphimc/viaproxy/injection/mixins/MixinItemPacketRewriter1_9.java
@@ -22,7 +22,6 @@ import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.nbt.tag.ListTag;
 import com.viaversion.viaversion.api.minecraft.item.Item;
 import com.viaversion.viaversion.api.minecraft.item.data.ModifierData;
-import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.libs.fastutil.ints.Int2ObjectMap;
 import com.viaversion.viaversion.libs.fastutil.ints.Int2ObjectOpenHashMap;
 import com.viaversion.viaversion.libs.gson.JsonElement;
@@ -54,8 +53,13 @@ public abstract class MixinItemPacketRewriter1_9 extends ItemRewriter<Clientboun
     @Unique
     private final Map<String, Map<String, Pair<String, ModifierData>>> itemAttributes = new HashMap<>();
 
-    public MixinItemPacketRewriter1_9(Protocol1_8To1_9 protocol, Type<Item> itemType, Type<Item[]> itemArrayType, Type<Item> mappedItemType, Type<Item[]> mappedItemArrayType) {
+    // TODO: ClassTransform bug: Constructor merging is broken
+    /*public MixinItemPacketRewriter1_9(Protocol1_8To1_9 protocol, Type<Item> itemType, Type<Item[]> itemArrayType, Type<Item> mappedItemType, Type<Item[]> mappedItemArrayType) {
         super(protocol, itemType, itemArrayType, mappedItemType, mappedItemArrayType);
+    }*/
+
+    public MixinItemPacketRewriter1_9(Protocol1_8To1_9 protocol) {
+        super(null, null, null, null, null);
     }
 
     @Inject(method = "<init>", at = @At("RETURN"))