diff --git a/src/miner.cpp b/src/miner.cpp
index 91860bf67..6514f4f50 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -580,8 +580,6 @@ void static BitcoinMiner(CWallet *pwallet)
             CBlock *pblock = &pblocktemplate->block;
             IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
             LogPrintf("Running ZcashMiner.%s with %u transactions in block (%u bytes)\n",solver.c_str(),pblock->vtx.size(),::GetSerializeSize(*pblock,SER_NETWORK,PROTOCOL_VERSION));
-            fprintf(stderr,"Running ZcashMiner.%s with %u transactions in block (%u bytes)\n",solver.c_str(),pblock->vtx.size(),::GetSerializeSize(*pblock,SER_NETWORK,PROTOCOL_VERSION));
-
             //
             // Search
             //