diff --git a/configure b/configure
index 9f071b7876..500fe24cba 100755
--- a/configure
+++ b/configure
@@ -1043,8 +1043,6 @@ echo "  --disable-vnc-jpeg       disable JPEG lossy compression for VNC server"
 echo "  --enable-vnc-jpeg        enable JPEG lossy compression for VNC server"
 echo "  --disable-vnc-png        disable PNG compression for VNC server (default)"
 echo "  --enable-vnc-png         enable PNG compression for VNC server"
-echo "  --disable-vnc-thread     disable threaded VNC server"
-echo "  --enable-vnc-thread      enable threaded VNC server"
 echo "  --disable-curses         disable curses output"
 echo "  --enable-curses          enable curses output"
 echo "  --disable-curl           disable curl connectivity"