diff --git a/python-cramjam.spec b/python-cramjam.spec
index 461ec7e..dcb2fcb 100644
--- a/python-cramjam.spec
+++ b/python-cramjam.spec
@@ -42,7 +42,6 @@ BuildRequires:  cargo-rpm-macros >= 24
 # dev extra in pyproject.toml.
 BuildRequires:  %{py3_dist numpy}
 BuildRequires:  %{py3_dist pytest}
-BuildRequires:  %{py3_dist pytest-xdist}
 BuildRequires:  %{py3_dist hypothesis}
 %endif
 
@@ -145,7 +144,7 @@ done
 # Failed: DID NOT RAISE <class 'cramjam.DecompressionError'>
 k="${k-}${k+ and }not test_variants_raise_exception[deflate]"
 
-%pytest -k "${k-}" --ignore=benchmarks/test_bench.py -v -n auto
+%pytest -k "${k-}" --ignore=benchmarks/test_bench.py -v
 %endif