diff --git a/src/main.cpp b/src/main.cpp
index 62f1cd151..34ab23914 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3499,7 +3499,7 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc
     return commitment;
 }
 
-bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, CBlockIndex * const pindexPrev, int64_t nAdjustedTime)
+bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev, int64_t nAdjustedTime)
 {
     // Check proof of work
     if (block.nBits != GetNextWorkRequired(pindexPrev, &block, consensusParams))
@@ -3522,7 +3522,7 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
     return true;
 }
 
-bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIndex * const pindexPrev)
+bool ContextualCheckBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindexPrev)
 {
     const int nHeight = pindexPrev == NULL ? 0 : pindexPrev->nHeight + 1;
     const Consensus::Params& consensusParams = Params().GetConsensus();
diff --git a/src/main.h b/src/main.h
index 7ea570d85..561f2ecee 100644
--- a/src/main.h
+++ b/src/main.h
@@ -444,8 +444,8 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P
 /** Context-dependent validity checks.
  *  By "context", we mean only the previous block headers, but not the UTXO
  *  set; UTXO-related validity checks are done in ConnectBlock(). */
-bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, CBlockIndex* pindexPrev, int64_t nAdjustedTime);
-bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIndex *pindexPrev);
+bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev, int64_t nAdjustedTime);
+bool ContextualCheckBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindexPrev);
 
 /** Apply the effects of this block (with given index) on the UTXO set represented by coins.
  *  Validity checks that depend on the UTXO set are also done; ConnectBlock()