diff --git a/triedb/pathdb/history_inspect.go b/triedb/pathdb/history_inspect.go
index 78a1ff0598..87ff41b347 100644
--- a/triedb/pathdb/history_inspect.go
+++ b/triedb/pathdb/history_inspect.go
@@ -60,41 +60,6 @@ func sanitizeRange(start, end uint64, freezer ethdb.AncientReader) (uint64, uint
 	return first, last, nil
 }
 
-func inspectHistory(freezer ethdb.AncientReader, start, end uint64, onHistory func(*stateHistory, *HistoryStats)) (*HistoryStats, error) {
-	var (
-		stats  = &HistoryStats{}
-		init   = time.Now()
-		logged = time.Now()
-	)
-	start, end, err := sanitizeRange(start, end, freezer)
-	if err != nil {
-		return nil, err
-	}
-	for id := start; id <= end; id += 1 {
-		// The entire history object is decoded, although it's unnecessary for
-		// account inspection. TODO(rjl493456442) optimization is worthwhile.
-		h, err := readStateHistory(freezer, id)
-		if err != nil {
-			return nil, err
-		}
-		if id == start {
-			stats.Start = h.meta.block
-		}
-		if id == end {
-			stats.End = h.meta.block
-		}
-		onHistory(h, stats)
-
-		if time.Since(logged) > time.Second*8 {
-			logged = time.Now()
-			eta := float64(time.Since(init)) / float64(id-start+1) * float64(end-id)
-			log.Info("Inspecting state history", "checked", id-start+1, "left", end-id, "elapsed", common.PrettyDuration(time.Since(init)), "eta", common.PrettyDuration(eta))
-		}
-	}
-	log.Info("Inspected state history", "total", end-start+1, "elapsed", common.PrettyDuration(time.Since(init)))
-	return stats, nil
-}
-
 // accountHistory inspects the account history within the range.
 func accountHistory(freezer ethdb.AncientReader, address common.Address, start, end uint64) (*HistoryStats, error) {
 	return inspectAccountHistory(freezer, address, start, end)
diff --git a/triedb/pathdb/history_state.go b/triedb/pathdb/history_state.go
index 733c9aba2a..6dfae3f31f 100644
--- a/triedb/pathdb/history_state.go
+++ b/triedb/pathdb/history_state.go
@@ -683,14 +683,6 @@ func (h *stateHistory) getSlotIndex(storageIndexes []byte, position uint32) *slo
 	return &index
 }
 
-// isTargetSlot checks if the slot index matches the target slot (handles v0/v1 compatibility)
-func (h *stateHistory) isTargetSlot(slotIdx *slotIndex, targetSlot common.Hash) bool {
-	if h.meta.version == stateHistoryV0 {
-		return slotIdx.id == crypto.Keccak256Hash(targetSlot.Bytes())
-	}
-	return slotIdx.id == targetSlot
-}
-
 // setStorageData safely extracts and sets the storage data
 func (h *stateHistory) setStorageData(storageData []byte, slotIdx *slotIndex, targetAddr common.Address) error {
 	end := slotIdx.offset + uint32(slotIdx.length)