diff --git a/fs/sdcardfs/derived_perm.c b/fs/sdcardfs/derived_perm.c
index 69ffbf253645..72ae4b9edc31 100644
--- a/fs/sdcardfs/derived_perm.c
+++ b/fs/sdcardfs/derived_perm.c
@@ -308,46 +308,6 @@ void fixup_perms_recursive(struct dentry *dentry, struct limit_search *limit)
 	__fixup_perms_recursive(dentry, limit, 0);
 }
 
-void drop_recursive(struct dentry *parent)
-{
-	struct dentry *dentry;
-	struct sdcardfs_inode_info *info;
-	if (!d_inode(parent))
-		return;
-	info = SDCARDFS_I(d_inode(parent));
-	spin_lock(&parent->d_lock);
-	list_for_each_entry(dentry, &parent->d_subdirs, d_child) {
-		if (d_inode(dentry)) {
-			if (SDCARDFS_I(d_inode(parent))->top != SDCARDFS_I(d_inode(dentry))->top) {
-				drop_recursive(dentry);
-				d_drop(dentry);
-			}
-		}
-	}
-	spin_unlock(&parent->d_lock);
-}
-
-void fixup_top_recursive(struct dentry *parent)
-{
-	struct dentry *dentry;
-	struct sdcardfs_inode_info *info;
-
-	if (!d_inode(parent))
-		return;
-	info = SDCARDFS_I(d_inode(parent));
-	spin_lock(&parent->d_lock);
-	list_for_each_entry(dentry, &parent->d_subdirs, d_child) {
-		if (d_inode(dentry)) {
-			if (SDCARDFS_I(d_inode(parent))->top != SDCARDFS_I(d_inode(dentry))->top) {
-				get_derived_permission(parent, dentry);
-				fixup_tmp_permissions(d_inode(dentry));
-				fixup_top_recursive(dentry);
-			}
-		}
-	}
-	spin_unlock(&parent->d_lock);
-}
-
 /* main function for updating derived permission */
 inline void update_derived_permission_lock(struct dentry *dentry)
 {
diff --git a/fs/sdcardfs/inode.c b/fs/sdcardfs/inode.c
index 1c48ca571bc1..d1deab81a289 100644
--- a/fs/sdcardfs/inode.c
+++ b/fs/sdcardfs/inode.c
@@ -533,7 +533,7 @@ static int sdcardfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	get_derived_permission_new(new_dentry->d_parent, old_dentry, &new_dentry->d_name);
 	fixup_tmp_permissions(d_inode(old_dentry));
 	fixup_lower_ownership(old_dentry, new_dentry->d_name.name);
-	drop_recursive(old_dentry); /* Can't fixup ownership recursively :( */
+	d_invalidate(old_dentry); /* Can't fixup ownership recursively :( */
 out:
 	unlock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
 	dput(lower_old_dir_dentry);
diff --git a/fs/sdcardfs/sdcardfs.h b/fs/sdcardfs/sdcardfs.h
index a42125ef39f5..09ec1e415e6d 100644
--- a/fs/sdcardfs/sdcardfs.h
+++ b/fs/sdcardfs/sdcardfs.h
@@ -484,8 +484,6 @@ extern void setup_derived_state(struct inode *inode, perm_t perm, userid_t useri
 			uid_t uid, bool under_android, struct inode *top);
 extern void get_derived_permission(struct dentry *parent, struct dentry *dentry);
 extern void get_derived_permission_new(struct dentry *parent, struct dentry *dentry, const struct qstr *name);
-extern void drop_recursive(struct dentry *parent);
-extern void fixup_top_recursive(struct dentry *parent);
 extern void fixup_perms_recursive(struct dentry *dentry, struct limit_search *limit);
 
 extern void update_derived_permission_lock(struct dentry *dentry);