diff --git a/src/txdb.h b/src/txdb.h
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -121,8 +121,6 @@
     bool ReadLastBlockFile(int &nFile);
     bool WriteReindexing(bool fReindexing);
     bool ReadReindexing(bool &fReindexing);
-    bool ReadTxIndex(const uint256 &txid, CDiskTxPos &pos);
-    bool WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos>> &vect);
     bool WriteFlag(const std::string &name, bool fValue);
     bool ReadFlag(const std::string &name, bool &fValue);
     bool LoadBlockIndexGuts(
diff --git a/src/txdb.cpp b/src/txdb.cpp
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -252,20 +252,6 @@
     return WriteBatch(batch, true);
 }
 
-bool CBlockTreeDB::ReadTxIndex(const uint256 &txid, CDiskTxPos &pos) {
-    return Read(std::make_pair(DB_TXINDEX, txid), pos);
-}
-
-bool CBlockTreeDB::WriteTxIndex(
-    const std::vector<std::pair<uint256, CDiskTxPos>> &vect) {
-    CDBBatch batch(*this);
-    for (std::vector<std::pair<uint256, CDiskTxPos>>::const_iterator it =
-             vect.begin();
-         it != vect.end(); it++)
-        batch.Write(std::make_pair(DB_TXINDEX, it->first), it->second);
-    return WriteBatch(batch);
-}
-
 bool CBlockTreeDB::WriteFlag(const std::string &name, bool fValue) {
     return Write(std::make_pair(DB_FLAG, name), fValue ? '1' : '0');
 }