diff --git a/Doc/lib/libselect.tex b/Doc/lib/libselect.tex
index de5e1a6d5f7..5c85ca58f2e 100644
--- a/Doc/lib/libselect.tex
+++ b/Doc/lib/libselect.tex
@@ -43,7 +43,6 @@ objects (e.g. \code{sys.stdin}, or objects returned by
 \function{open()} or \function{os.popen()}), socket objects
 returned by \function{socket.socket()},%
 \withsubitem{(in module socket)}{\ttindex{socket()}}
-\withsubitem{(in module posix)}{\ttindex{popen()}}
 \withsubitem{(in module os)}{\ttindex{popen()}}
 and the module \module{stdwin}\refbimodindex{stdwin} which happens to
 define a function \function{fileno()}%