From c82208dbc0b942a036d256c504bdfb625fe19ae5 Mon Sep 17 00:00:00 2001
From: discord9 <discord9@163.com>
Date: Tue, 9 Dec 2025 12:04:58 +0800
Subject: [PATCH] chore: unused

Signed-off-by: discord9 <discord9@163.com>
---
 src/mito2/src/sst/file_ref.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/mito2/src/sst/file_ref.rs b/src/mito2/src/sst/file_ref.rs
index a058a77e14..072687d13c 100644
--- a/src/mito2/src/sst/file_ref.rs
+++ b/src/mito2/src/sst/file_ref.rs
@@ -13,12 +13,11 @@
 // limitations under the License.
 
 use std::collections::{HashMap, HashSet};
-use std::f64::consts::E;
 use std::sync::Arc;
 
 use common_telemetry::debug;
 use dashmap::{DashMap, Entry};
-use store_api::storage::{FileRef, FileRefsManifest, IndexVersion, RegionId};
+use store_api::storage::{FileRef, FileRefsManifest, RegionId};
 
 use crate::error::Result;
 use crate::metrics::GC_REF_FILE_CNT;