diff --git a/core/rawdb/accessors_chain.go b/core/rawdb/accessors_chain.go
index 4fbba22b55..8ea2e2ca72 100644
--- a/core/rawdb/accessors_chain.go
+++ b/core/rawdb/accessors_chain.go
@@ -168,24 +168,6 @@ func DeleteHeaderNumber(db ethdb.KeyValueWriter, hash common.Hash) {
 	}
 }
 
-// ReadAncientThrowLastBlock retrieves the hash of the finalized block.
-func ReadAncientThrowLastBlockNumber(db ethdb.KeyValueReader) *uint64 {
-	data, _ := db.Get(ancientThrowLastBlock)
-	if len(data) != 8 {
-		return nil
-	}
-	number := binary.BigEndian.Uint64(data)
-	return &number
-}
-
-// WriteAncientThrowLastBlock stores the hash of the finalized block.
-func WriteAncientThrowLastBlockNumber(db ethdb.KeyValueWriter, number uint64) {
-	enc := encodeBlockNumber(number)
-	if err := db.Put(ancientThrowLastBlock, enc); err != nil {
-		log.Crit("Failed to store last throwed ancient block's hash", "err", err)
-	}
-}
-
 // ReadHeadHeaderHash retrieves the hash of the current canonical head header.
 func ReadHeadHeaderHash(db ethdb.KeyValueReader) common.Hash {
 	data, _ := db.Get(headHeaderKey)
diff --git a/core/rawdb/schema.go b/core/rawdb/schema.go
index dce29a2d14..041c9f0449 100644
--- a/core/rawdb/schema.go
+++ b/core/rawdb/schema.go
@@ -84,9 +84,6 @@ var (
 	// transitionStatusKey tracks the eth2 transition status.
 	transitionStatusKey = []byte("eth2-transition")
 
-	// ancientThrowLastBlock tracks the last recent ancient block that has been thrown
-	ancientThrowLastBlock = []byte("AncientThrowLastBlock")
-
 	// Data item prefixes (use single byte to avoid mixing data types, avoid `i`, used for indexes).
 	headerPrefix       = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header
 	headerTDSuffix     = []byte("t") // headerPrefix + num (uint64 big endian) + hash + headerTDSuffix -> td