diff --git a/src/listen.c b/src/listen.c
index 56b8749d6..612c5c1b1 100644
--- a/src/listen.c
+++ b/src/listen.c
@@ -222,14 +222,6 @@ void freeAllListenSockets() {
 	listenSockets = NULL;
 }
 
-int isAListenSocket(int socket) {
-	int i;
-
-	for(i=0; listenSockets[i] != socket && i<numberOfListenSockets; i++);
-
-	return (i < numberOfListenSockets);
-}
-
 void getConnections(fd_set * fds) {
 	int i;
 	int fd = 0;
diff --git a/src/listen.h b/src/listen.h
index ebba38e9e..db8436c9e 100644
--- a/src/listen.h
+++ b/src/listen.h
@@ -30,8 +30,6 @@ void listenOnPort();
 
 void getConnections(fd_set * fds);
 
-int isAListenSocket(int sock);
-
 void closeAllListenSockets();
 void freeAllListenSockets();