btree::del(&mut self.txn, &mut self.channels, &name, None)?;

            let mut deps = Vec::new();

                while btree::del(&mut self.txn, &mut self.dep, ch, None)? {}
                while btree::del(&mut self.txn, &mut self.revdep, ch, None)? {}

                for x in btree::iter(&self.txn, &self.dep, Some((ch, None)))? {
                    let (k, v) = x?;
                    if k > ch {
                        break
                    }
                    deps.push((*k, *v));
                }
                for (k, v) in deps.drain(..) {
                    btree::del(&mut self.txn, &mut self.revdep, &k, Some(&v))?;
                    btree::del(&mut self.txn, &mut self.revdep, &v, Some(&k))?;
                }

            Ok(true)
        } else {
            Ok(false)

        Ok(btree::del(&mut self.txn, &mut self.channels, &name, None)?)

        debug!("Commit_channel. This is not too safe.");