diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 49c4bce81..2d413fb9f 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -3534,7 +3534,6 @@ CWalletKey::CWalletKey(int64_t nExpires)
 int CMerkleTx::SetMerkleBranch(const CBlockIndex* pindex, int posInBlock)
 {
     AssertLockHeld(cs_main);
-    CBlock blockTmp;
 
     // Update the tx's hashBlock
     hashBlock = pindex->GetBlockHash();