diff --git a/Lib/test/test_threaded_import.py b/Lib/test/test_threaded_import.py
index 4a5d7be..0528b13 100644
--- a/Lib/test/test_threaded_import.py
+++ b/Lib/test/test_threaded_import.py
@@ -225,11 +225,9 @@
 @reap_threads
 def test_main():
     old_switchinterval = None
-    # Issue #15599: FreeBSD/KVM cannot handle gil_interval == 1.
-    new_switchinterval = 0.00001 if 'freebsd' in sys.platform else 0.00000001
     try:
         old_switchinterval = sys.getswitchinterval()
-        sys.setswitchinterval(new_switchinterval)
+        sys.setswitchinterval(1e-5)
     except AttributeError:
         pass
     try: