diff --git a/dev-python/distlib/distlib-0.3.1-r1.ebuild b/dev-python/distlib/distlib-0.3.1-r1.ebuild
index 246cc44428666..9491e12acf2e3 100644
--- a/dev-python/distlib/distlib-0.3.1-r1.ebuild
+++ b/dev-python/distlib/distlib-0.3.1-r1.ebuild
@@ -19,7 +19,9 @@ LICENSE="PSF-2"
 SLOT="0"
 KEYWORDS="~alpha ~amd64 arm arm64 hppa ~ia64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
 IUSE="test"
-RESTRICT="!test? ( test )"
+# This package's tests are extremely fragile and tend to break or hang
+# when it doesn't like metadata of packages installed on the system.
+RESTRICT="test"
 
 # pypiserver is called as external executable
 # openpyxl installs invalid metadata that breaks distlib