diff --git a/hw/xfree86/common/xf86Privstr.h b/hw/xfree86/common/xf86Privstr.h
index 914f04f67..31861148f 100644
--- a/hw/xfree86/common/xf86Privstr.h
+++ b/hw/xfree86/common/xf86Privstr.h
@@ -78,7 +78,6 @@ typedef struct {
     Bool miscModInDevEnabled;   /* Allow input devices to be
                                  * changed */
     Bool miscModInDevAllowNonLocal;
-    Bool useSIGIO;              /* Use SIGIO for handling DRI1 swaps */
     Bool pmFlag;
     MessageType iglxFrom;
     XF86_GlxVisuals glxVisuals;
diff --git a/hw/xfree86/os-support/shared/sigio.c b/hw/xfree86/os-support/shared/sigio.c
index ccf9d89d7..ad8af6093 100644
--- a/hw/xfree86/os-support/shared/sigio.c
+++ b/hw/xfree86/os-support/shared/sigio.c
@@ -185,9 +185,6 @@ xf86InstallSIGIOHandler(int fd, void (*f) (int, void *), void *closure)
     int i;
     int installed = FALSE;
 
-    if (!xf86Info.useSIGIO)
-        return 0;
-
     for (i = 0; i < MAX_FUNCS; i++) {
         if (!xf86SigIOFuncs[i].f) {
             if (xf86IsPipe(fd))
@@ -257,9 +254,6 @@ xf86RemoveSIGIOHandler(int fd)
     int max;
     int ret;
 
-    if (!xf86Info.useSIGIO)
-        return 0;
-
     max = 0;
     ret = 0;
     for (i = 0; i < MAX_FUNCS; i++) {