diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -185,6 +185,12 @@ class BaseEventLoop(events.AbstractEvent
         """
         self.call_soon(_raise_stop_error)
 
+    def close(self):
+        self._ready.clear()
+        self._scheduled.clear()
+        # XXX shutdown executor?
+        self._default_executor = None
+
     def is_running(self):
         """Returns running status of event loop."""
         return self._running
diff --git a/Lib/asyncio/proactor_events.py b/Lib/asyncio/proactor_events.py
--- a/Lib/asyncio/proactor_events.py
+++ b/Lib/asyncio/proactor_events.py
@@ -276,6 +276,7 @@ class BaseProactorEventLoop(base_events.
             self._proactor.close()
             self._proactor = None
             self._selector = None
+            super().close()
 
     def sock_recv(self, sock, n):
         return self._proactor.recv(sock, n)
diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -56,6 +56,7 @@ class BaseSelectorEventLoop(base_events.
             self._close_self_pipe()
             self._selector.close()
             self._selector = None
+            super().close()
 
     def _socketpair(self):
         raise NotImplementedError