diff --git a/src/miner.h b/src/miner.h
--- a/src/miner.h
+++ b/src/miner.h
@@ -228,7 +228,6 @@
         EXCLUSIVE_LOCKS_REQUIRED(mempool->cs);
     /** Sort the package in an order that is valid to appear in a block */
     void SortForBlock(const CTxMemPool::setEntries &package,
-                      CTxMemPool::txiter entry,
                       std::vector<CTxMemPool::txiter> &sortedEntries);
     /**
      * Add descendants of given transactions to mapModifiedTx with ancestor
diff --git a/src/miner.cpp b/src/miner.cpp
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -420,7 +420,7 @@
 }
 
 void BlockAssembler::SortForBlock(
-    const CTxMemPool::setEntries &package, CTxMemPool::txiter entry,
+    const CTxMemPool::setEntries &package,
     std::vector<CTxMemPool::txiter> &sortedEntries) {
     // Sort package by ancestor count. If a transaction A depends on transaction
     // B, then A's ancestor count must be greater than B's. So this is
@@ -569,7 +569,7 @@
 
         // Package can be added. Sort the entries in a valid order.
         std::vector<CTxMemPool::txiter> sortedEntries;
-        SortForBlock(ancestors, iter, sortedEntries);
+        SortForBlock(ancestors, sortedEntries);
 
         for (auto &entry : sortedEntries) {
             AddToBlock(entry);