diff --git a/src/runtime/virtcontainers/mount.go b/src/runtime/virtcontainers/mount.go
index 8e3921ac6..f2a3bcfa9 100644
--- a/src/runtime/virtcontainers/mount.go
+++ b/src/runtime/virtcontainers/mount.go
@@ -302,11 +302,6 @@ func remount(ctx context.Context, mountflags uintptr, src string) error {
 	return nil
 }
 
-// remount a mount point as readonly
-func remountRo(ctx context.Context, src string) error {
-	return remount(ctx, syscall.MS_BIND|syscall.MS_RDONLY, src)
-}
-
 // bindMountContainerRootfs bind mounts a container rootfs into a 9pfs shared
 // directory between the guest and the host.
 func bindMountContainerRootfs(ctx context.Context, shareDir, cid, cRootFs string, readonly bool) error {