diff --git a/eventlet/pools.py b/eventlet/pools.py
index 0ddbd1d..18ee6f3 100644
--- a/eventlet/pools.py
+++ b/eventlet/pools.py
@@ -274,7 +274,9 @@ class CoroutinePool(Pool):
     def _main_loop(self, sender):
         """ Private, infinite loop run by a pooled coroutine. """
         try:
-            while True:
+            # not really a loop anymore because we want the greenlet
+            # to die so all its timers get canceled
+            if True:
                 recvd = sender.wait()
                 # Delete the sender's result here because the very
                 # first event through the loop is referenced by
@@ -285,21 +287,14 @@ class CoroutinePool(Pool):
                 # tests.
                 sender._result = coros.NOT_USED
 
-                sender = coros.event()
                 (evt, func, args, kw) = recvd
                 self._safe_apply(evt, func, args, kw)
-                #api.get_hub().cancel_timers(api.getcurrent())
                 # Likewise, delete these variables or else they will
                 # be referenced by this frame until replaced by the
                 # next recvd, which may or may not be a long time from
                 # now.
                 del evt, func, args, kw, recvd
-
-                self.put(sender)
         finally:
-            # if we get here, something broke badly, and all we can really
-            # do is try to keep the pool from leaking items.
-            # Shouldn't even try to print the exception.
             self.put(self.create())
 
     def _safe_apply(self, evt, func, args, kw):
diff --git a/greentest/pools_test.py b/greentest/pools_test.py
index 3b70560..d81c8d1 100644
--- a/greentest/pools_test.py
+++ b/greentest/pools_test.py
@@ -284,16 +284,16 @@ class TestCoroutinePool(tests.TestCase):
         self.assertEquals(['cons1', 'prod', 'cons2'], results)
 
     def test_timer_cancel(self):
+        timer_fired = []
+        def fire_timer():
+            timer_fired.append(True)
         def some_work():
-            t = timer.Timer(5, lambda: None)
-            t.autocancellable = True
-            t.schedule()
-            return t
+            api.get_hub().schedule_call_local(0, fire_timer)
         pool = pools.CoroutinePool(0, 2)
         worker = pool.execute(some_work)
-        t = worker.wait()
+        worker.wait()
         api.sleep(0)
-        self.assertEquals(t.cancelled, True)
+        self.assertEquals(timer_fired, [])
 
     def test_reentrant(self):
         pool = pools.CoroutinePool(0,1)