diff --git a/loopy/symbolic.py b/loopy/symbolic.py
index 548b2107defd0559b80903dbf564d9c8afcc3225..8c1c8dce60747f1cf0d36017a20d1ab4059cbe0e 100644
--- a/loopy/symbolic.py
+++ b/loopy/symbolic.py
@@ -2423,15 +2423,6 @@ class PrimeAdder(IdentityMapper):
 
 # {{{ get access range
 
-class UnableToDetermineAccessRange(UnableToDetermineAccessRangeError):
-    def __init__(self, *args, **kwargs):
-        from warnings import warn
-        warn("UnableToDetermineAccessRange renamed to"
-             " UnableToDetermineAccessRangeError,  will be unsupported in"
-             " 2022.", DeprecationWarning, stacklevel=2)
-        super().__init__(*args, **kwargs)
-
-
 def get_access_map(domain, subscript, assumptions=None, shape=None,
         allowed_constant_names=None):
     """