diff --git a/setup.cfg b/setup.cfg
index 315984f4..59d95f0e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -145,9 +145,6 @@ enable_error_code =
   possibly-undefined,
   redundant-self,
 
-# We run mypy on all python versions, but only 3.10+ supports pattern matching:
-exclude = .*test_.*pattern_matching
-
 disable_error_code = empty-body, no-untyped-def
 
 # We cannot work without explicit `Any` types and plain generics: