diff --git a/src/validation.cpp b/src/validation.cpp
index 415235bdf2417..c5fdf03d50096 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1324,13 +1324,13 @@ void static InvalidChainFound(CBlockIndex* pindexNew) EXCLUSIVE_LOCKS_REQUIRED(c
     if (!pindexBestInvalid || pindexNew->nChainWork > pindexBestInvalid->nChainWork)
         pindexBestInvalid = pindexNew;
 
-    LogPrintf("%s: invalid block=%s  height=%d  log2_work=%.8g  date=%s\n", __func__,
+    LogPrintf("%s: invalid block=%s  height=%d  date=%s\n", __func__,
       pindexNew->GetBlockHash().ToString(), pindexNew->nHeight,
-      log(pindexNew->nChainWork.getdouble())/log(2.0), FormatISO8601DateTime(pindexNew->GetBlockTime()));
+      FormatISO8601DateTime(pindexNew->GetBlockTime()));
     CBlockIndex *tip = chainActive.Tip();
     assert (tip);
-    LogPrintf("%s:  current best=%s  height=%d  log2_work=%.8g  date=%s\n", __func__,
-      tip->GetBlockHash().ToString(), chainActive.Height(), log(tip->nChainWork.getdouble())/log(2.0),
+    LogPrintf("%s:  current best=%s  height=%d  date=%s\n", __func__,
+      tip->GetBlockHash().ToString(), chainActive.Height(),
       FormatISO8601DateTime(tip->GetBlockTime()));
     CheckForkWarningConditions();
 }
@@ -2390,9 +2390,9 @@ void static UpdateTip(const CBlockIndex *pindexNew, const CChainParams& chainPar
             DoWarning(strWarning);
         }
     }
-    LogPrintf("%s: new best=%s height=%d version=0x%08x log2_work=%.8g tx=%lu date='%s' progress=%f cache=%.1fMiB(%utxo)", __func__, /* Continued */
+    LogPrintf("%s: new best=%s height=%d version=0x%08x tx=%lu date='%s' progress=%f cache=%.1fMiB(%utxo)", __func__, /* Continued */
       pindexNew->GetBlockHash().ToString(), pindexNew->nHeight, pindexNew->nVersion,
-      log(pindexNew->nChainWork.getdouble())/log(2.0), (unsigned long)pindexNew->nChainTx,
+      (unsigned long)pindexNew->nChainTx,
       FormatISO8601DateTime(pindexNew->GetBlockTime()),
       GuessVerificationProgress(chainParams.TxData(), pindexNew), pcoinsTip->DynamicMemoryUsage() * (1.0 / (1<<20)), pcoinsTip->GetCacheSize());
     if (!warningMessages.empty())