1 files changed, 0 insertions, 6 deletions
diff --git a/src/upstream.cpp b/src/upstream.cpp
index 8163c18..1498c31 100644
--- a/src/upstream.cpp
+++ b/src/upstream.cpp
@@ -81,12 +81,6 @@ int zmq::upstream_t::xsend (zmq_msg_t *msg_, int flags_)
     return -1;
 }
 
-int zmq::upstream_t::xflush ()
-{
-    errno = ENOTSUP;
-    return -1;
-}
-
 int zmq::upstream_t::xrecv (zmq_msg_t *msg_, int flags_)
 {
     return fq.recv (msg_, flags_);