diff --git a/src/cas/io/bsdSocket/casIOD.h b/src/cas/io/bsdSocket/casIOD.h
index f9c3310ec..7c108d492 100644
--- a/src/cas/io/bsdSocket/casIOD.h
+++ b/src/cas/io/bsdSocket/casIOD.h
@@ -114,8 +114,6 @@ public:
 	virtual ~casIntfIO();
 	void show(unsigned level) const;
 
-	unsigned portNumber() const;
-
 	int getFD() const;
 
 	void setNonBlocking();