diff --git a/Python/pystate.c b/Python/pystate.c
index f964f4951b9cfd..e9c4c7d8376bf7 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -826,7 +826,7 @@ _PyThreadState_Delete(_PyRuntimeState *runtime, PyThreadState *tstate)
 void
 PyThreadState_Delete(PyThreadState *tstate)
 {
-    return _PyThreadState_Delete(&_PyRuntime, tstate);
+    _PyThreadState_Delete(&_PyRuntime, tstate);
 }