diff --git a/src/common/meta/src/ddl/create_table.rs b/src/common/meta/src/ddl/create_table.rs
index 3496d98b998b..c73844fc8337 100644
--- a/src/common/meta/src/ddl/create_table.rs
+++ b/src/common/meta/src/ddl/create_table.rs
@@ -26,8 +26,8 @@ use common_procedure::error::{
     ExternalSnafu, FromJsonSnafu, Result as ProcedureResult, ToJsonSnafu,
 };
 use common_procedure::{Context as ProcedureContext, LockKey, Procedure, Status};
+use common_telemetry::info;
 use common_telemetry::tracing_context::TracingContext;
-use common_telemetry::{debug, info};
 use futures::future::join_all;
 use serde::{Deserialize, Serialize};
 use snafu::{ensure, OptionExt, ResultExt};
@@ -475,11 +475,6 @@ impl CreateRequestBuilder {
             );
         }
 
-        debug!(
-            "Set region options {:?} for region {}",
-            request.options, region_id
-        );
-
         Ok(request)
     }
 }
diff --git a/src/common/meta/src/key/datanode_table.rs b/src/common/meta/src/key/datanode_table.rs
index ee202758bffd..b2e25e014bc8 100644
--- a/src/common/meta/src/key/datanode_table.rs
+++ b/src/common/meta/src/key/datanode_table.rs
@@ -15,7 +15,6 @@
 use std::collections::HashMap;
 use std::sync::Arc;
 
-use common_telemetry::debug;
 use futures::stream::BoxStream;
 use futures::StreamExt;
 use serde::{Deserialize, Serialize};
@@ -186,11 +185,6 @@ impl DatanodeTableManager {
                     })
                     .collect();
 
-                debug!(
-                    "Persist region wal options {:?} for table {}",
-                    filtered_region_wal_options, table_id
-                );
-
                 let key = DatanodeTableKey::new(datanode_id, table_id);
                 let val = DatanodeTableValue::new(
                     table_id,
diff --git a/src/common/meta/src/wal/kafka/topic_manager.rs b/src/common/meta/src/wal/kafka/topic_manager.rs
index ba03c9fe17e9..45b6115b0020 100644
--- a/src/common/meta/src/wal/kafka/topic_manager.rs
+++ b/src/common/meta/src/wal/kafka/topic_manager.rs
@@ -189,15 +189,13 @@ impl TopicManager {
     }
 
     fn is_topic_already_exist_err(e: &RsKafkaError) -> bool {
-        if let &RsKafkaError::ServerError {
-            protocol_error: TopicAlreadyExists,
-            ..
-        } = e
-        {
-            true
-        } else {
-            false
-        }
+        matches!(
+            e,
+            &RsKafkaError::ServerError {
+                protocol_error: TopicAlreadyExists,
+                ..
+            }
+        )
     }
 }
 
diff --git a/src/datanode/src/datanode.rs b/src/datanode/src/datanode.rs
index 0ba769edf559..0a0206eddc66 100644
--- a/src/datanode/src/datanode.rs
+++ b/src/datanode/src/datanode.rs
@@ -29,7 +29,7 @@ use common_meta::key::datanode_table::{DatanodeTableManager, DatanodeTableValue}
 use common_meta::kv_backend::KvBackendRef;
 pub use common_procedure::options::ProcedureConfig;
 use common_runtime::Runtime;
-use common_telemetry::{debug, error, info, warn};
+use common_telemetry::{error, info, warn};
 use file_engine::engine::FileRegionEngine;
 use futures::future;
 use futures_util::future::try_join_all;
@@ -545,10 +545,6 @@ async fn open_all_regions(
                 .and_then(|wal_options| {
                     region_options.insert(WAL_OPTIONS_KEY.to_string(), wal_options.clone())
                 });
-            debug!(
-                "Read region options {:?} for region {} from kv backend",
-                region_options, region_number
-            );
 
             regions.push((
                 RegionId::new(table_value.table_id, region_number),
diff --git a/src/mito2/src/region/opener.rs b/src/mito2/src/region/opener.rs
index d3ed421b23cc..0fe0fce950f9 100644
--- a/src/mito2/src/region/opener.rs
+++ b/src/mito2/src/region/opener.rs
@@ -399,8 +399,6 @@ pub(crate) async fn replay_memtable<S: LogStore>(
     }
 
     // set next_entry_id and write to memtable.
-    // FIXME(niebayes): figure out how to properly set last entry id when the replay is done.
-    last_entry_id = flushed_entry_id;
     region_write_ctx.set_next_entry_id(last_entry_id + 1);
     region_write_ctx.write_memtable();
 
diff --git a/src/mito2/src/wal.rs b/src/mito2/src/wal.rs
index abdeb7914f0c..ac17d3df5415 100644
--- a/src/mito2/src/wal.rs
+++ b/src/mito2/src/wal.rs
@@ -22,7 +22,6 @@ use api::v1::WalEntry;
 use async_stream::try_stream;
 use common_config::wal::WalOptions;
 use common_error::ext::BoxedError;
-use common_telemetry::debug;
 use futures::stream::BoxStream;
 use futures::StreamExt;
 use prost::Message;
@@ -74,11 +73,6 @@ impl<S: LogStore> Wal<S> {
         start_id: EntryId,
         wal_options: &'a WalOptions,
     ) -> Result<WalEntryStream> {
-        debug!(
-            "Scanning log entries for region {} starting from {} with wal_options {:?}",
-            region_id, start_id, wal_options
-        );
-
         let stream = try_stream!({
             let namespace = self.store.namespace(region_id.into(), wal_options);
             let mut stream = self