No need to declare 'display' here.
diff --git a/unix/xserver/hw/vnc/XserverDesktop.cc b/unix/xserver/hw/vnc/XserverDesktop.cc
index 2f8872f..3ab1103 100644
--- a/unix/xserver/hw/vnc/XserverDesktop.cc
+++ b/unix/xserver/hw/vnc/XserverDesktop.cc
@@ -49,8 +49,6 @@
#define public c_public
#define class c_class
-extern const char *display;
-
#ifdef RANDR
#include "randrstr.h"
#endif
diff --git a/unix/xserver/hw/vnc/xvnc.cc b/unix/xserver/hw/vnc/xvnc.cc
index 0172feb..2ef888d 100644
--- a/unix/xserver/hw/vnc/xvnc.cc
+++ b/unix/xserver/hw/vnc/xvnc.cc
@@ -103,7 +103,6 @@
"See http://www.tigervnc.org for information on TigerVNC.\n")
-extern const char *display;
extern int monitorResolution;
#define VFB_DEFAULT_WIDTH 1024