diff --git a/mappings/net/minecraft/datafixer/schema/Schema2571.mapping b/mappings/net/minecraft/datafixer/schema/Schema2571.mapping
new file mode 100644
index 0000000000..87a15e1f22
--- /dev/null
+++ b/mappings/net/minecraft/datafixer/schema/Schema2571.mapping
@@ -0,0 +1,7 @@
+CLASS net/minecraft/class_5999 net/minecraft/datafixer/schema/Schema2571
+	METHOD method_34967 registerEntity (Lcom/mojang/datafixers/schemas/Schema;Ljava/util/Map;Ljava/lang/String;)V
+		ARG 0 schema
+		ARG 1 entityTypes
+		ARG 2 name
+	METHOD registerEntities (Lcom/mojang/datafixers/schemas/Schema;)Ljava/util/Map;
+		ARG 1 schema
diff --git a/mappings/net/minecraft/datafixer/schema/Schema2704.mapping b/mappings/net/minecraft/datafixer/schema/Schema2704.mapping
new file mode 100644
index 0000000000..55e7077409
--- /dev/null
+++ b/mappings/net/minecraft/datafixer/schema/Schema2704.mapping
@@ -0,0 +1,7 @@
+CLASS net/minecraft/class_6000 net/minecraft/datafixer/schema/Schema2704
+	METHOD method_34969 registerEntity (Lcom/mojang/datafixers/schemas/Schema;Ljava/util/Map;Ljava/lang/String;)V
+		ARG 0 schema
+		ARG 1 entityTypes
+		ARG 2 name
+	METHOD registerEntities (Lcom/mojang/datafixers/schemas/Schema;)Ljava/util/Map;
+		ARG 1 schema