diff --git a/Lib/threading.py b/Lib/threading.py
@@ -1010,13 +1010,7 @@ def _bootstrap_inner(self):
            except:
                self._invoke_excepthook(self)
        finally:
-            with _active_limbo_lock:
-                try:
-                    # We don't call self._delete() because it also
-                    # grabs _active_limbo_lock.
-                    del _active[get_ident()]
-                except:
-                    pass

    def _stop(self):
        # After calling ._stop(), .is_alive() returns False and .join() returns