diff --git a/crates/xline/src/server/command.rs b/crates/xline/src/server/command.rs
index 510614ee1..7fe28dddc 100644
--- a/crates/xline/src/server/command.rs
+++ b/crates/xline/src/server/command.rs
@@ -368,10 +368,8 @@ where
             }
         };
         ops.append(&mut wr_ops);
-        let key_revisions = self.persistent.flush_ops(ops)?;
-        if !key_revisions.is_empty() {
-            self.kv_storage.insert_index(key_revisions);
-        }
+        println!("flush ops: {ops:?}");
+        let _key_revisions = self.persistent.flush_ops(ops)?;
         self.lease_storage.mark_lease_synced(wrapper);
         if !quota_enough {
             if let Some(alarmer) = self.alarmer.read().clone() {
diff --git a/crates/xline/src/server/watch_server.rs b/crates/xline/src/server/watch_server.rs
index 67a6d50a7..b0e78d884 100644
--- a/crates/xline/src/server/watch_server.rs
+++ b/crates/xline/src/server/watch_server.rs
@@ -468,8 +468,7 @@ mod test {
             ..Default::default()
         });
         let (_sync_res, ops) = store.after_sync(&req, revision).await.unwrap();
-        let key_revisions = db.flush_ops(ops).unwrap();
-        store.insert_index(key_revisions);
+        let _key_revisions = db.flush_ops(ops).unwrap();
     }
 
     #[tokio::test]
diff --git a/crates/xline/src/storage/kv_store.rs b/crates/xline/src/storage/kv_store.rs
index c7a47bedc..b8e21d168 100644
--- a/crates/xline/src/storage/kv_store.rs
+++ b/crates/xline/src/storage/kv_store.rs
@@ -21,7 +21,7 @@ use super::{
     db::SCHEDULED_COMPACT_REVISION,
     index::{Index, IndexOperate},
     lease_store::LeaseCollection,
-    revision::{KeyRevision, Revision},
+    revision::Revision,
     storage_api::StorageApi,
 };
 use crate::{
@@ -794,7 +794,7 @@ where
         sub_revision: i64,
     ) -> Result<(Vec<WriteOp>, Vec<Event>), ExecuteError> {
         let mut ops = Vec::new();
-        let (new_rev, _prev_rev) =
+        let (new_rev, prev_rev) =
             self.inner
                 .index
                 .register_revision(req.key.clone(), revision, sub_revision);
@@ -807,7 +807,8 @@ where
             lease: req.lease,
         };
         if req.ignore_lease || req.ignore_value {
-            let prev_kv = self.inner.get_range(&req.key, &[], 0)?.pop();
+            let rev = prev_rev.ok_or(ExecuteError::KeyNotFound)?.mod_revision;
+            let prev_kv = self.inner.get_range(&req.key, &[], rev)?.pop();
             let prev = prev_kv.as_ref().ok_or(ExecuteError::KeyNotFound)?;
             if req.ignore_lease {
                 kv.lease = prev.lease;
@@ -913,12 +914,6 @@ where
         let events = Self::new_deletion_events(revision, keys);
         (ops, events)
     }
-
-    /// Insert the given pairs (key, `KeyRevision`) into the index
-    #[inline]
-    pub(crate) fn insert_index(&self, key_revisions: Vec<(Vec<u8>, KeyRevision)>) {
-        self.inner.index.insert(key_revisions);
-    }
 }
 
 #[cfg(test)]
@@ -1040,8 +1035,7 @@ mod test {
         revision: i64,
     ) -> Result<(), ExecuteError> {
         let (_sync_res, ops) = store.after_sync(request, revision).await?;
-        let key_revs = store.inner.db.flush_ops(ops)?;
-        store.insert_index(key_revs);
+        let _key_revs = store.inner.db.flush_ops(ops)?;
         Ok(())
     }
 
diff --git a/crates/xline/src/storage/kvwatcher.rs b/crates/xline/src/storage/kvwatcher.rs
index bdb65737c..dcbc4718c 100644
--- a/crates/xline/src/storage/kvwatcher.rs
+++ b/crates/xline/src/storage/kvwatcher.rs
@@ -785,7 +785,6 @@ mod test {
             ..Default::default()
         });
         let (_sync_res, ops) = store.after_sync(&req, revision).await.unwrap();
-        let key_revisions = db.flush_ops(ops).unwrap();
-        store.insert_index(key_revisions);
+        let _key_revisions = db.flush_ops(ops).unwrap();
     }
 }