diff --git a/mappings/net/minecraft/NbtIoWriteUtils.mapping b/mappings/net/minecraft/NbtIoWriteUtils.mapping
deleted file mode 100644
index 9558fbf3fd..0000000000
--- a/mappings/net/minecraft/NbtIoWriteUtils.mapping
+++ /dev/null
@@ -1,34 +0,0 @@
-CLASS net/minecraft/class_8941 net/minecraft/NbtIoWriteUtils
-	FIELD field_47218 output Ljava/io/DataOutput;
-	METHOD <init> (Ljava/io/DataOutput;)V
-		ARG 1 output
-	METHOD write write (I)V
-		ARG 1 i
-	METHOD write write ([B)V
-		ARG 1 arr
-	METHOD write write ([BII)V
-		ARG 1 arr
-		ARG 2 off
-		ARG 3 length
-	METHOD writeBoolean writeBoolean (Z)V
-		ARG 1 bl
-	METHOD writeByte writeByte (I)V
-		ARG 1 i
-	METHOD writeBytes writeBytes (Ljava/lang/String;)V
-		ARG 1 byteString
-	METHOD writeChar writeChar (I)V
-		ARG 1 ch
-	METHOD writeChars writeChars (Ljava/lang/String;)V
-		ARG 1 string
-	METHOD writeDouble writeDouble (D)V
-		ARG 1 d
-	METHOD writeFloat writeFloat (F)V
-		ARG 1 f
-	METHOD writeInt writeInt (I)V
-		ARG 1 i
-	METHOD writeLong writeLong (J)V
-		ARG 1 l
-	METHOD writeShort writeShort (I)V
-		ARG 1 shor
-	METHOD writeUTF writeUTF (Ljava/lang/String;)V
-		ARG 1 nbtString
diff --git a/mappings/net/minecraft/nbt/NbtIoWriteUtils.mapping b/mappings/net/minecraft/nbt/NbtIoWriteUtils.mapping
new file mode 100644
index 0000000000..61969afe2a
--- /dev/null
+++ b/mappings/net/minecraft/nbt/NbtIoWriteUtils.mapping
@@ -0,0 +1,34 @@
+CLASS net/minecraft/class_8941 net/minecraft/nbt/NbtIoWriteUtils
+	FIELD field_47218 output Ljava/io/DataOutput;
+	METHOD <init> (Ljava/io/DataOutput;)V
+		ARG 1 output
+	METHOD write (I)V
+		ARG 1 value
+	METHOD write ([B)V
+		ARG 1 arr
+	METHOD write ([BII)V
+		ARG 1 arr
+		ARG 2 off
+		ARG 3 length
+	METHOD writeBoolean (Z)V
+		ARG 1 value
+	METHOD writeByte (I)V
+		ARG 1 value
+	METHOD writeBytes (Ljava/lang/String;)V
+		ARG 1 byteString
+	METHOD writeChar (I)V
+		ARG 1 value
+	METHOD writeChars (Ljava/lang/String;)V
+		ARG 1 string
+	METHOD writeDouble (D)V
+		ARG 1 value
+	METHOD writeFloat (F)V
+		ARG 1 value
+	METHOD writeInt (I)V
+		ARG 1 value
+	METHOD writeLong (J)V
+		ARG 1 value
+	METHOD writeShort (I)V
+		ARG 1 shor
+	METHOD writeUTF (Ljava/lang/String;)V
+		ARG 1 nbtString