1 files changed, 2 insertions, 13 deletions
diff --git a/Lib/test/test_lzma.py b/Lib/test/test_lzma.py
index 1e2066b891..145c8cfced 100644
--- a/Lib/test/test_lzma.py
+++ b/Lib/test/test_lzma.py
@@ -9,9 +9,7 @@ import sys
 from test import support
 import unittest
 
-from test.support import (
-    _4G, bigmemtest, run_unittest
-)
+from test.support import _4G, bigmemtest
 from test.support.import_helper import import_module
 from test.support.os_helper import (
     TESTFN, unlink
@@ -1941,14 +1939,5 @@ ISSUE_21872_DAT = (
 )
 
 
-def test_main():
-    run_unittest(
-        CompressorDecompressorTestCase,
-        CompressDecompressFunctionTestCase,
-        FileTestCase,
-        OpenTestCase,
-        MiscellaneousTestCase,
-    )
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()