diff --git a/loopy/tools.py b/loopy/tools.py
index 31f0315daac3fdd5baf371a723d10756500ffc90..50c9e4bd0923fce1c1b0a26a15ddc7b87116dc81 100644
--- a/loopy/tools.py
+++ b/loopy/tools.py
@@ -107,21 +107,6 @@ class LoopyKeyBuilder(KeyBuilderBase):
 
     update_for_Map = update_for_BasicSet  # noqa
 
-    def update_for_type(self, key_hash, key):
-        try:
-            method = getattr(self, "update_for_type_"+key.__name__)
-        except AttributeError:
-            pass
-        else:
-            method(key_hash, key)
-            return
-
-        raise TypeError("unsupported type for persistent hash keying: %s"
-                % type(key))
-
-    def update_for_type_auto(self, key_hash, key):
-        key_hash.update(b"auto")
-
     def update_for_pymbolic_expression(self, key_hash, key):
         if key is None:
             self.update_for_NoneType(key_hash, key)
diff --git a/setup.py b/setup.py
index 2e907c1b985e095c0cdc789a59fefaef19907fa2..54889a0d95cc5b9187209fafb68f15faaa5513c7 100644
--- a/setup.py
+++ b/setup.py
@@ -84,7 +84,7 @@ setup(name="loopy",
 
       python_requires="~=3.6",
       install_requires=[
-          "pytools>=2021.2.4",
+          "pytools>=2022.1.2",
           "pymbolic>=2019.2",
           "genpy>=2016.1.2",