diff --git a/Lib/plat-irix5/readcd.py b/Lib/plat-irix5/readcd.py
index 5453ce4..54549e7 100755
--- a/Lib/plat-irix5/readcd.py
+++ b/Lib/plat-irix5/readcd.py
@@ -1,4 +1,7 @@
 # Class interface to the CD module.
+from warnings import warnpy3k
+warnpy3k("the readcd module has been removed in Python 3.0", stacklevel=2)
+del warnpy3k
 
 import cd, CD