diff --git a/y-octo/src/doc/document.rs b/y-octo/src/doc/document.rs
index 148d86e..a180ffc 100644
--- a/y-octo/src/doc/document.rs
+++ b/y-octo/src/doc/document.rs
@@ -220,16 +220,15 @@ impl Doc {
         Ok(doc)
     }
 
-    pub fn apply_update_from_binary_v1<T: AsRef<[u8]>>(&mut self, binary: T) -> JwstCodecResult<Update> {
+    pub fn apply_update_from_binary_v1<T: AsRef<[u8]>>(&mut self, binary: T) -> JwstCodecResult {
         let mut decoder = RawDecoder::new(binary.as_ref());
         let update = Update::read(&mut decoder)?;
         self.apply_update(update)
     }
 
-    pub fn apply_update(&mut self, mut update: Update) -> JwstCodecResult<Update> {
+    pub fn apply_update(&mut self, mut update: Update) -> JwstCodecResult {
         let mut store = self.store.write().unwrap();
         let mut retry = false;
-        let before_state = store.get_state_vector();
         loop {
             for (mut s, offset) in update.iter(store.get_state_vector()) {
                 if let Node::Item(item) = &mut s {
@@ -288,7 +287,7 @@ impl Doc {
             }
         }
 
-        store.diff_state_vector(&before_state, false)
+        Ok(())
     }
 
     pub fn keys(&self) -> Vec<String> {
diff --git a/y-octo/src/doc/store.rs b/y-octo/src/doc/store.rs
index cb5ac95..cea9364 100644
--- a/y-octo/src/doc/store.rs
+++ b/y-octo/src/doc/store.rs
@@ -780,7 +780,6 @@ impl DocStore {
                     let first_block = items.get(index).unwrap();
                     let offset = first_block.clock() - clock;
                     if offset != 0 {
-                        // needs to implement Content split first
                         vec_struct_info.push_back(first_block.clone().split_at(offset)?.1);
                     } else {
                         vec_struct_info.push_back(first_block.clone());
@@ -800,17 +799,10 @@ impl DocStore {
         let mut delete_set = DeleteSet::default();
 
         for (client, nodes) in refs {
-            let ranges = nodes
+            nodes
                 .iter()
                 .filter(|n| n.deleted())
-                .map(|n| {
-                    let clock = n.id().clock;
-                    clock..clock + n.len()
-                })
-                .collect::<Vec<_>>();
-            if !ranges.is_empty() {
-                delete_set.batch_add_ranges(*client, ranges);
-            }
+                .for_each(|n| delete_set.add(*client, n.clock(), n.len()));
         }
 
         delete_set