diff --git a/eventlet/hubs/hub.py b/eventlet/hubs/hub.py
index a1fe679..d07468e 100644
--- a/eventlet/hubs/hub.py
+++ b/eventlet/hubs/hub.py
@@ -16,13 +16,13 @@ class FdListener(object):
         self.evtype = evtype
         self.fileno = fileno
         self.cb = cb
-    def __call__(self, *args, **kw):
-        return self.cb(*args, **kw)
     def __repr__(self):
         return "%s(%r, %r, %r)" % (type(self).__name__, self.evtype, self.fileno, self.cb)
     __str__ = __repr__
 
 
+noop = FdListener(READ, 0, lambda x: None)
+
 # in debug mode, track the call site that created the listener
 class DebugListener(FdListener):
     def __init__(self, evtype, fileno, cb):
diff --git a/eventlet/hubs/poll.py b/eventlet/hubs/poll.py
index a1d085f..0d5be7b 100644
--- a/eventlet/hubs/poll.py
+++ b/eventlet/hubs/poll.py
@@ -6,14 +6,12 @@ time = patcher.original('time')
 sleep = time.sleep
 
 from eventlet.support import get_errno, clear_sys_exc_info
-from eventlet.hubs.hub import BaseHub, READ, WRITE
+from eventlet.hubs.hub import BaseHub, READ, WRITE, noop
 
 EXC_MASK = select.POLLERR | select.POLLHUP
 READ_MASK = select.POLLIN | select.POLLPRI
 WRITE_MASK = select.POLLOUT
 
-noop = lambda x: None
-
 class Hub(BaseHub):
     WAIT_MULTIPLIER=1000.0 # poll.poll's timeout is measured in milliseconds
 
@@ -52,9 +50,7 @@ class Hub(BaseHub):
         else: 
             try:
                 self.poll.unregister(fileno)
-            except KeyError:
-                pass
-            except (IOError, OSError):
+            except (KeyError, IOError, OSError):
                 # raised if we try to remove a fileno that was
                 # already removed/invalid
                 pass
@@ -63,9 +59,7 @@ class Hub(BaseHub):
         super(Hub, self).remove_descriptor(fileno)
         try:
             self.poll.unregister(fileno)
-        except (KeyError, ValueError):
-            pass
-        except (IOError, OSError):
+        except (KeyError, ValueError, IOError, OSError):
             # raised if we try to remove a fileno that was
             # already removed/invalid
             pass
@@ -89,15 +83,15 @@ class Hub(BaseHub):
         for fileno, event in presult:
             try:
                 if event & READ_MASK:
-                    readers.get(fileno, noop)(fileno)
+                    readers.get(fileno, noop).cb(fileno)
                 if event & WRITE_MASK:
-                    writers.get(fileno, noop)(fileno)
+                    writers.get(fileno, noop).cb(fileno)
                 if event & select.POLLNVAL:
                     self.remove_descriptor(fileno)
                     continue
                 if event & EXC_MASK:
-                    readers.get(fileno, noop)(fileno)
-                    writers.get(fileno, noop)(fileno)
+                    readers.get(fileno, noop).cb(fileno)
+                    writers.get(fileno, noop).cb(fileno)
             except SYSTEM_EXCEPTIONS:
                 raise
             except:
diff --git a/eventlet/hubs/selects.py b/eventlet/hubs/selects.py
index 0774dd4..7a0e2ed 100644
--- a/eventlet/hubs/selects.py
+++ b/eventlet/hubs/selects.py
@@ -5,15 +5,13 @@ from eventlet.support import get_errno, clear_sys_exc_info
 select = patcher.original('select')
 time = patcher.original('time')
 
-from eventlet.hubs.hub import BaseHub, READ, WRITE
+from eventlet.hubs.hub import BaseHub, READ, WRITE, noop
 
 try:
     BAD_SOCK = set((errno.EBADF, errno.WSAENOTSOCK))
 except AttributeError:
     BAD_SOCK = set((errno.EBADF,))
 
-noop = lambda x: None
-
 class Hub(BaseHub):
     def _remove_bad_fds(self):
         """ Iterate through fds, removing the ones that are bad per the
@@ -45,13 +43,13 @@ class Hub(BaseHub):
                 raise
 
         for fileno in er:
-            readers.get(fileno, noop)(fileno)
-            writers.get(fileno, noop)(fileno)
+            readers.get(fileno, noop).cb(fileno)
+            writers.get(fileno, noop).cb(fileno)
             
         for listeners, events in ((readers, r), (writers, w)):
             for fileno in events:
                 try:
-                    listeners.get(fileno, noop)(fileno)
+                    listeners.get(fileno, noop).cb(fileno)
                 except self.SYSTEM_EXCEPTIONS:
                     raise
                 except: