diff --git a/hw/xfree86/common/xf86AutoConfig.c b/hw/xfree86/common/xf86AutoConfig.c
index 03dad150a..1450afbfc 100644
--- a/hw/xfree86/common/xf86AutoConfig.c
+++ b/hw/xfree86/common/xf86AutoConfig.c
@@ -208,7 +208,6 @@ listPossibleVideoDrivers(char *matches[], int nmatches)
     if (xf86Info.consoleFd >= 0 && (i < (nmatches - 1))) {
         struct vis_identifier visid;
         const char *cp;
-        extern char xf86SolarisFbDev[PATH_MAX];
         int iret;
 
         SYSCALL(iret = ioctl(xf86Info.consoleFd, VIS_GETIDENTIFIER, &visid));
diff --git a/hw/xfree86/os-support/solaris/sun_init.c b/hw/xfree86/os-support/solaris/sun_init.c
index 2e0af2246..cc50f36c4 100644
--- a/hw/xfree86/os-support/solaris/sun_init.c
+++ b/hw/xfree86/os-support/solaris/sun_init.c
@@ -52,8 +52,6 @@ static Bool UseConsole = FALSE;
 static int VTnum = -1;
 static int xf86StartVT = -1;
 static int vtEnabled = 0;
-extern void xf86VTAcquire(int);
-extern void xf86VTRelease(int);
 #endif
 
 /* Device to open as xf86Info.consoleFd */
diff --git a/hw/xfree86/os-support/xf86_OSlib.h b/hw/xfree86/os-support/xf86_OSlib.h
index 3a83f348f..6190fe6a0 100644
--- a/hw/xfree86/os-support/xf86_OSlib.h
+++ b/hw/xfree86/os-support/xf86_OSlib.h
@@ -134,10 +134,15 @@
 #endif
 #include <sys/kd.h>
 #include <sys/vt.h>
+
+extern _X_HIDDEN void xf86VTAcquire(int);
+extern _X_HIDDEN void xf86VTRelease(int);
 #endif
 
 #if defined(sun)
 #include <sys/fbio.h>
+extern _X_HIDDEN char xf86SolarisFbDev[PATH_MAX];
+
 #include <sys/kbd.h>
 #include <sys/kbio.h>