diff --git a/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/item/ItemStackMixin.java b/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/item/ItemStackMixin.java
index 82594c4b..b32037a3 100644
--- a/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/item/ItemStackMixin.java
+++ b/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/item/ItemStackMixin.java
@@ -36,7 +36,7 @@ public abstract class ItemStackMixin extends CapabilityProvider<ItemStack> imple
     @Shadow @Deprecated private Item item;
     @Shadow private int count;
     @Shadow(remap = false) private CompoundNBT capNBT;
-    @Mutable @Shadow @Final private IRegistryDelegate<Item> delegate;
+    @Mutable @Shadow(remap = false) @Final private IRegistryDelegate<Item> delegate;
     // @formatter:on
 
     protected ItemStackMixin(Class<ItemStack> baseClass) {
diff --git a/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java b/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java
index 03971387..06be1450 100644
--- a/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java
+++ b/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java
@@ -42,6 +42,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.ListIterator;
 import java.util.Map;
+import java.util.Objects;
 import java.util.concurrent.ConcurrentHashMap;
 
 public class ArclightRedirectAdapter implements PluginTransformer {
@@ -162,6 +163,12 @@ public class ArclightRedirectAdapter implements PluginTransformer {
             for (AbstractInsnNode insnNode : methodNode.instructions) {
                 if (insnNode instanceof MethodInsnNode) {
                     MethodInsnNode from = (MethodInsnNode) insnNode;
+                    if (from.getOpcode() == Opcodes.INVOKESPECIAL
+                        && Objects.equals(from.owner, classNode.superName)
+                        && Objects.equals(from.name, methodNode.name)
+                        && Objects.equals(from.desc, methodNode.desc)) {
+                        continue;
+                    }
                     process(from, methodNode.instructions, remapper, classNode);
                 } else if (insnNode.getOpcode() == Opcodes.INVOKEDYNAMIC) {
                     InvokeDynamicInsnNode invokeDynamic = (InvokeDynamicInsnNode) insnNode;