diff --git a/hw/xfree86/ddc/xf86DDC.h b/hw/xfree86/ddc/xf86DDC.h
index 664bcbf6b..d79dfe1e5 100644
--- a/hw/xfree86/ddc/xf86DDC.h
+++ b/hw/xfree86/ddc/xf86DDC.h
@@ -42,9 +42,6 @@ extern _X_EXPORT xf86MonPtr xf86InterpretEEDID(int screenIndex, Uchar * block);
 
 extern _X_EXPORT Bool xf86SetDDCproperties(ScrnInfoPtr pScreen, xf86MonPtr DDC);
 
-extern _X_EXPORT DisplayModePtr
-FindDMTMode(int hsize, int vsize, int refresh, Bool rb);
-
 extern _X_EXPORT const DisplayModeRec DMTModes[];
 
 #endif
diff --git a/hw/xfree86/modes/xf86EdidModes.c b/hw/xfree86/modes/xf86EdidModes.c
index c480657e1..0d8b68818 100644
--- a/hw/xfree86/modes/xf86EdidModes.c
+++ b/hw/xfree86/modes/xf86EdidModes.c
@@ -424,7 +424,7 @@ ModeRefresh(const DisplayModeRec * mode)
  * part of the DMT pool.  For the 'standard' EDID mode descriptor there's
  * no way to specify whether the mode should be RB or not.
  */
-DisplayModePtr
+static DisplayModePtr
 FindDMTMode(int hsize, int vsize, int refresh, Bool rb)
 {
     int i;