diff --git a/lib/ash/embeddable_type.ex b/lib/ash/embeddable_type.ex
index 16b3dc13..71dec76b 100644
--- a/lib/ash/embeddable_type.ex
+++ b/lib/ash/embeddable_type.ex
@@ -159,7 +159,6 @@ defmodule Ash.EmbeddableType do
         end
       end
 
-      def cast_input(nil, _), do: {:ok, nil}
       def cast_input(_, _), do: :error
 
       def cast_stored(value, constraints) when is_map(value) do
diff --git a/lib/ash/type/type.ex b/lib/ash/type/type.ex
index cd004da5..d822e5ec 100644
--- a/lib/ash/type/type.ex
+++ b/lib/ash/type/type.ex
@@ -345,6 +345,8 @@ defmodule Ash.Type do
     end
   end
 
+  def cast_input(_, nil, _), do: {:ok, nil}
+
   def cast_input(type, term, constraints) do
     constraints = Ash.OptionsHelpers.validate!(constraints, constraints(type))
     type = get_type(type)