diff --git a/eventlet/channel.py b/eventlet/channel.py
index 3c52824..80146e5 100644
--- a/eventlet/channel.py
+++ b/eventlet/channel.py
@@ -12,4 +12,5 @@ class channel(coros.queue):
     def balance(self):
         return self.sem.balance
 
-
+import warnings
+warnings.warn("channel is deprecated; use coros.queue(0) which behaves the same", DeprecationWarning, stacklevel=2)