diff --git a/tx-pool/src/process.rs b/tx-pool/src/process.rs
index ef195964894..815ca3a76b8 100644
--- a/tx-pool/src/process.rs
+++ b/tx-pool/src/process.rs
@@ -11,7 +11,7 @@ use crate::util::{
     non_contextual_verify, time_relative_verify, verify_rtx,
 };
 use ckb_chain_spec::consensus::MAX_BLOCK_PROPOSALS_LIMIT;
-use ckb_error::{AnyError, Error, InternalErrorKind};
+use ckb_error::{AnyError, InternalErrorKind};
 use ckb_jsonrpc_types::BlockTemplate;
 use ckb_logger::Level::Trace;
 use ckb_logger::{debug, error, info, log_enabled_target, trace_target};
@@ -20,7 +20,6 @@ use ckb_snapshot::Snapshot;
 use ckb_store::data_loader_wrapper::AsDataLoader;
 use ckb_store::ChainStore;
 use ckb_types::core::error::OutPointError;
-use ckb_types::core::tx_pool::EntryCompleted;
 use ckb_types::{
     core::{cell::ResolvedTransaction, BlockView, Capacity, Cycle, HeaderView, TransactionView},
     packed::{Byte32, ProposalShortId},
diff --git a/tx-pool/src/service.rs b/tx-pool/src/service.rs
index b7ee191fbe8..64f17f4aa99 100644
--- a/tx-pool/src/service.rs
+++ b/tx-pool/src/service.rs
@@ -27,7 +27,7 @@ use ckb_types::{
     packed::{Byte32, ProposalShortId},
 };
 use ckb_util::{LinkedHashMap, LinkedHashSet};
-use ckb_verification::cache::{Completed, TxVerificationCache};
+use ckb_verification::cache::TxVerificationCache;
 use std::collections::{HashMap, HashSet, VecDeque};
 use std::sync::{
     atomic::{AtomicBool, Ordering},
diff --git a/verification/src/cache.rs b/verification/src/cache.rs
index 0e84ebe807a..4165f4d1db1 100644
--- a/verification/src/cache.rs
+++ b/verification/src/cache.rs
@@ -5,7 +5,6 @@ use ckb_types::{
     core::{Capacity, Cycle, EntryCompleted},
     packed::Byte32,
 };
-use std::collections::hash_map::Entry;
 use std::sync::Arc;
 
 /// TX verification lru cache
@@ -45,11 +44,11 @@ pub struct Completed {
     pub fee: Capacity,
 }
 
-impl Into<EntryCompleted> for Completed {
-    fn into(self) -> EntryCompleted {
+impl From<Completed> for EntryCompleted {
+    fn from(value: Completed) -> Self {
         EntryCompleted {
-            cycles: self.cycles,
-            fee: self.fee,
+            cycles: value.cycles,
+            fee: value.fee,
         }
     }
 }