diff --git a/doc/comedilib.ent b/doc/comedilib.ent
index 599e0e4..80e3e59 100644
--- a/doc/comedilib.ent
+++ b/doc/comedilib.ent
@@ -1,3 +1 @@
 <!ENTITY comedi '<ulink url="http://www.comedi.org"><acronym>Comedi</acronym></ulink>'>
-<!ENTITY uuml "ue">
-<!ENTITY hellip "...">