diff --git a/hw/xfree86/common/xf86sbusBus.h b/hw/xfree86/common/xf86sbusBus.h
index ee846ab91..2387f8112 100644
--- a/hw/xfree86/common/xf86sbusBus.h
+++ b/hw/xfree86/common/xf86sbusBus.h
@@ -75,8 +75,6 @@ extern _X_EXPORT void xf86SbusSetOsHwCursorCmap(sbusDevicePtr psdp, int bg,
 extern _X_EXPORT Bool xf86SbusHandleColormaps(ScreenPtr pScreen,
                                               sbusDevicePtr psdp);
 
-extern _X_EXPORT int promRootNode;
-
 extern _X_EXPORT int sparcPromInit(void);
 extern _X_EXPORT void sparcPromClose(void);
 extern _X_EXPORT int sparcPromGetBool(sbusPromNodePtr pnode, const char *prop);
diff --git a/hw/xfree86/os-support/bus/Sbus.c b/hw/xfree86/os-support/bus/Sbus.c
index ae4376a1c..db1293bcd 100644
--- a/hw/xfree86/os-support/bus/Sbus.c
+++ b/hw/xfree86/os-support/bus/Sbus.c
@@ -41,7 +41,7 @@
 #include "xf86sbusBus_priv.h"
 #include "xf86Sbus.h"
 
-int promRootNode;
+static int promRootNode;
 
 static int promFd = -1;
 static int promCurrentNode;