diff --git a/src/amount.h b/src/amount.h
index 02d61fc9b..b80bcd1b2 100644
--- a/src/amount.h
+++ b/src/amount.h
@@ -44,7 +44,6 @@ public:
     explicit CFeeRate(const CAmount& _nSatoshisPerK): nSatoshisPerK(_nSatoshisPerK) { }
     /** Constructor for a fee rate in satoshis per kB. The size in bytes must not exceed (2^63 - 1)*/
     CFeeRate(const CAmount& nFeePaid, size_t nBytes);
-    CFeeRate(const CFeeRate& other) { nSatoshisPerK = other.nSatoshisPerK; }
     /**
      * Return the wallet fee in koinus for the given size in bytes.
      */
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index c6b679aec..bfb9e8519 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -45,11 +45,6 @@ CTxMemPoolEntry::CTxMemPoolEntry(const CTransactionRef& _tx, const CAmount& _nFe
     nSigOpCostWithAncestors = sigOpCost;
 }
 
-CTxMemPoolEntry::CTxMemPoolEntry(const CTxMemPoolEntry& other)
-{
-    *this = other;
-}
-
 double
 CTxMemPoolEntry::GetPriority(unsigned int currentHeight) const
 {
diff --git a/src/txmempool.h b/src/txmempool.h
index 79209759f..7929f8a72 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -117,8 +117,6 @@ public:
                     CAmount _inChainInputValue, bool spendsCoinbase,
                     int64_t nSigOpsCost, LockPoints lp);
 
-    CTxMemPoolEntry(const CTxMemPoolEntry& other);
-
     const CTransaction& GetTx() const { return *this->tx; }
     CTransactionRef GetSharedTx() const { return this->tx; }
     /**