They're not used anywhere else.
Signed-off-by: Borislav Petkov <bp@suse.de>
  *     initialize a workq item for this edac_device instance
  *     passing in the new delay period in msec
  */
-void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
-                               unsigned msec)
+static void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
+                                   unsigned msec)
 {
        edac_dbg(0, "\n");
 
  * edac_device_workq_teardown
  *     stop the workq processing on this edac_dev
  */
-void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
+static void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
 {
        if (!edac_dev->edac_check)
                return;
 
 
 /* edac core workqueue: single CPU mode */
 extern struct workqueue_struct *edac_workqueue;
-extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
-                                   unsigned msec);
-extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev);
 extern void edac_device_reset_delay_period(struct edac_device_ctl_info
                                           *edac_dev, unsigned long value);
 extern void edac_mc_reset_delay_period(unsigned long value);