static struct super_operations usbfs_ops;
 static struct file_operations default_file_operations;
-static struct inode_operations usbfs_dir_inode_operations;
 static struct vfsmount *usbfs_mount;
 static int usbfs_mount_count;  /* = 0 */
 static int ignore_mount = 0;
                        inode->i_fop = &default_file_operations;
                        break;
                case S_IFDIR:
-                       inode->i_op = &usbfs_dir_inode_operations;
+                       inode->i_op = &simple_dir_inode_operations;
                        inode->i_fop = &simple_dir_operations;
 
                        /* directory inodes start off with i_nlink == 2 (for "." entry) */
        .llseek =       default_file_lseek,
 };
 
-static struct inode_operations usbfs_dir_inode_operations = {
-       .lookup =       simple_lookup,
-};
-
 static struct super_operations usbfs_ops = {
        .statfs =       simple_statfs,
        .drop_inode =   generic_delete_inode,