diff --git a/mappings/net/minecraft/util/DefaultedList.mapping b/mappings/net/minecraft/util/DefaultedList.mapping
index d38dd70d38..e2bfbde38e 100644
--- a/mappings/net/minecraft/util/DefaultedList.mapping
+++ b/mappings/net/minecraft/util/DefaultedList.mapping
@@ -1,16 +1,23 @@
 CLASS net/minecraft/class_2371 net/minecraft/util/DefaultedList
-	FIELD field_11115 underlying Ljava/util/List;
-	FIELD field_11116 defaultValue Ljava/lang/Object;
+	FIELD field_11115 delegate Ljava/util/List;
+	FIELD field_11116 initialElement Ljava/lang/Object;
 	METHOD <init> (Ljava/util/List;Ljava/lang/Object;)V
-		ARG 1 underlying
+		ARG 1 delegate
+		ARG 2 initialElement
 	METHOD add (ILjava/lang/Object;)V
 		ARG 1 value
-	METHOD method_10211 create ()Lnet/minecraft/class_2371;
-	METHOD method_10212 create (Ljava/lang/Object;[Ljava/lang/Object;)Lnet/minecraft/class_2371;
+		ARG 2 element
+	METHOD get (I)Ljava/lang/Object;
+		ARG 1 index
+	METHOD method_10211 of ()Lnet/minecraft/class_2371;
+	METHOD method_10212 copyOf (Ljava/lang/Object;[Ljava/lang/Object;)Lnet/minecraft/class_2371;
 		ARG 0 defaultValue
 		ARG 1 values
-	METHOD method_10213 create (ILjava/lang/Object;)Lnet/minecraft/class_2371;
+	METHOD method_10213 ofSize (ILjava/lang/Object;)Lnet/minecraft/class_2371;
 		ARG 0 size
 		ARG 1 defaultValue
+	METHOD remove (I)Ljava/lang/Object;
+		ARG 1 index
 	METHOD set (ILjava/lang/Object;)Ljava/lang/Object;
 		ARG 1 index
+		ARG 2 element