diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index aa2aee64e60bbf5855380b399be296d01468afe8..3a8c1b7d151aa8a2c2190c4d13ee0de08d772287 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -464,20 +464,6 @@ void zfcp_adapter_release(struct kref *ref)
 	put_device(&cdev->dev);
 }
 
-/**
- * zfcp_device_unregister - remove port, unit from system
- * @dev: reference to device which is to be removed
- * @grp: related reference to attribute group
- *
- * Helper function to unregister port, unit from system
- */
-void zfcp_device_unregister(struct device *dev,
-			    const struct attribute_group *grp)
-{
-	sysfs_remove_group(&dev->kobj, grp);
-	device_unregister(dev);
-}
-
 static void zfcp_port_release(struct device *dev)
 {
 	struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index b993d11700634582417ab089c7c691ac25983cda..248578db30bb1770d19355692a1b5a09d3afbffc 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -21,8 +21,6 @@ extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
 					   u32);
 extern void zfcp_sg_free_table(struct scatterlist *, int);
 extern int zfcp_sg_setup_table(struct scatterlist *, int);
-extern void zfcp_device_unregister(struct device *,
-				   const struct attribute_group *);
 extern void zfcp_adapter_release(struct kref *);
 extern void zfcp_adapter_unregister(struct zfcp_adapter *);