diff --git a/python-asyncpg.spec b/python-asyncpg.spec
index b39e8b7..b8fa244 100644
--- a/python-asyncpg.spec
+++ b/python-asyncpg.spec
@@ -123,12 +123,6 @@ ln -s %{buildroot}%{python3_sitearch}/asyncpg/
 # flake8 and pycodestyle out of the test dependencies
 k="${k-}${k+ and }not TestFlake8"
 
-%ifarch s390x
-# This appears to be associated with GCC 12.
-# https://github.com/MagicStack/asyncpg/issues/877
-k="${k-}${k+ and }not (TestPrepare and test_prepare_28_max_args)"
-%endif
-
 %pytest -k "${k}"