diff --git a/src/miner.h b/src/miner.h
--- a/src/miner.h
+++ b/src/miner.h
@@ -134,8 +134,6 @@
 private:
     // The constructed block template
     std::unique_ptr<CBlockTemplate> pblocktemplate;
-    // A convenience pointer that always refers to the CBlock in pblocktemplate
-    CBlock *pblock;
 
     // Configuration parameters for the block size
     uint64_t nMaxGeneratedBlockSize;
diff --git a/src/miner.cpp b/src/miner.cpp
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -128,8 +128,8 @@
         return nullptr;
     }
 
-    // Pointer for convenience.
-    pblock = &pblocktemplate->block;
+    // pointer for convenience
+    CBlock *const pblock = &pblocktemplate->block;
 
     // Add dummy coinbase tx as first transaction.  It is updated at the end.
     pblocktemplate->entries.emplace_back(CTransactionRef(), -SATOSHI, -1);