diff --git a/internal/locate/region_cache.go b/internal/locate/region_cache.go
index d50ca3f02..85f8c23d1 100644
--- a/internal/locate/region_cache.go
+++ b/internal/locate/region_cache.go
@@ -2117,26 +2117,6 @@ func (c *RegionCache) InvalidateTiFlashComputeStores() {
 	c.tiflashComputeStoreMu.needReload = true
 }
 
-// UpdateBucketOnError updates the buckets of the region in the cache if meets the buckets version not match.
-func (c *RegionCache) UpdateBucketOnError(regionID RegionVerID, version uint64, keys [][]byte) {
-	r := c.GetCachedRegionWithRLock(regionID)
-	if r == nil {
-		return
-	}
-
-	buckets := r.getStore().buckets
-	var bucketsVer uint64
-	if buckets != nil {
-		bucketsVer = buckets.GetVersion()
-	}
-	if bucketsVer < version {
-		c.mu.Lock()
-		buckets.Version = version
-		buckets.Keys = keys
-		c.mu.Unlock()
-	}
-}
-
 // UpdateBucketsIfNeeded queries PD to update the buckets of the region in the cache if
 // the latestBucketsVer is newer than the cached one.
 func (c *RegionCache) UpdateBucketsIfNeeded(regionID RegionVerID, latestBucketsVer uint64) {
diff --git a/internal/locate/region_request.go b/internal/locate/region_request.go
index 030c999e0..fc4e51bba 100644
--- a/internal/locate/region_request.go
+++ b/internal/locate/region_request.go
@@ -2039,7 +2039,7 @@ func (s *RegionRequestSender) onRegionError(
 	}
 
 	if bucketVersionNotMatch := regionErr.GetBucketVersionNotMatch(); bucketVersionNotMatch != nil {
-		logutil.BgLogger().Debug(
+		logutil.Logger(bo.GetCtx()).Debug(
 			"tikv reports `BucketVersionNotMatch` retry later",
 			zap.Stringer("bucketVersionNotMatch", bucketVersionNotMatch),
 			zap.Stringer("ctx", ctx),