diff --git a/src/bench/block_assemble.cpp b/src/bench/block_assemble.cpp
index 4005701caea..00102aefe2c 100644
--- a/src/bench/block_assemble.cpp
+++ b/src/bench/block_assemble.cpp
@@ -20,19 +20,23 @@
 #include <memory>
 #include <vector>
 
+using node::BlockAssembler;
+
 static void AssembleBlock(benchmark::Bench& bench)
 {
     const auto test_setup = MakeNoLogFileContext<const TestingSetup>();
 
     CScriptWitness witness;
     witness.stack.push_back(WITNESS_STACK_ELEM_OP_TRUE);
+    BlockAssembler::Options options;
+    options.coinbase_output_script = P2WSH_OP_TRUE;
 
     // Collect some loose transactions that spend the coinbases of our mined blocks
     constexpr size_t NUM_BLOCKS{200};
     std::array<CTransactionRef, NUM_BLOCKS - COINBASE_MATURITY + 1> txs;
     for (size_t b{0}; b < NUM_BLOCKS; ++b) {
         CMutableTransaction tx;
-        tx.vin.emplace_back(MineBlock(test_setup->m_node, P2WSH_OP_TRUE));
+        tx.vin.emplace_back(MineBlock(test_setup->m_node, options));
         tx.vin.back().scriptWitness = witness;
         tx.vout.emplace_back(1337, P2WSH_OP_TRUE);
         if (NUM_BLOCKS - b >= COINBASE_MATURITY)
@@ -48,7 +52,7 @@ static void AssembleBlock(benchmark::Bench& bench)
     }
 
     bench.run([&] {
-        PrepareBlock(test_setup->m_node, P2WSH_OP_TRUE);
+        PrepareBlock(test_setup->m_node, options);
     });
 }
 static void BlockAssemblerAddPackageTxns(benchmark::Bench& bench)
@@ -56,11 +60,12 @@ static void BlockAssemblerAddPackageTxns(benchmark::Bench& bench)
     FastRandomContext det_rand{true};
     auto testing_setup{MakeNoLogFileContext<TestChain100Setup>()};
     testing_setup->PopulateMempool(det_rand, /*num_transactions=*/1000, /*submit=*/true);
-    node::BlockAssembler::Options assembler_options;
+    BlockAssembler::Options assembler_options;
     assembler_options.test_block_validity = false;
+    assembler_options.coinbase_output_script = P2WSH_OP_TRUE;
 
     bench.run([&] {
-        PrepareBlock(testing_setup->m_node, P2WSH_OP_TRUE, assembler_options);
+        PrepareBlock(testing_setup->m_node, assembler_options);
     });
 }
 
diff --git a/src/node/miner.h b/src/node/miner.h
index 6b6079fa6ef..f6461a8d553 100644
--- a/src/node/miner.h
+++ b/src/node/miner.h
@@ -172,19 +172,11 @@ public:
     /** Construct a new block template */
     std::unique_ptr<CBlockTemplate> CreateNewBlock();
 
-    /** Temporary overload for tests */
-    std::unique_ptr<CBlockTemplate> CreateNewBlock(const CScript& scriptPubKeyIn)
-    {
-        m_options.coinbase_output_script = scriptPubKeyIn;
-        return CreateNewBlock();
-    };
-
     inline static std::optional<int64_t> m_last_block_num_txs{};
     inline static std::optional<int64_t> m_last_block_weight{};
 
 private:
-    // TODO: make const again
-    Options m_options;
+    const Options m_options;
 
     // utility functions
     /** Clear the block's state and prepare for assembling a new block */
diff --git a/src/test/blockfilter_index_tests.cpp b/src/test/blockfilter_index_tests.cpp
index 48ae874fcd8..4b576bb084f 100644
--- a/src/test/blockfilter_index_tests.cpp
+++ b/src/test/blockfilter_index_tests.cpp
@@ -67,8 +67,9 @@ CBlock BuildChainTestingSetup::CreateBlock(const CBlockIndex* prev,
     const std::vector<CMutableTransaction>& txns,
     const CScript& scriptPubKey)
 {
-     BlockAssembler::Options options;
-    std::unique_ptr<CBlockTemplate> pblocktemplate = BlockAssembler{m_node.chainman->ActiveChainstate(), m_node.mempool.get(), options}.CreateNewBlock(scriptPubKey);
+    BlockAssembler::Options options;
+    options.coinbase_output_script = scriptPubKey;
+    std::unique_ptr<CBlockTemplate> pblocktemplate = BlockAssembler{m_node.chainman->ActiveChainstate(), m_node.mempool.get(), options}.CreateNewBlock();
     CBlock& block = pblocktemplate->block;
     block.hashPrevBlock = prev->GetBlockHash();
     block.nTime = prev->nTime + 1;
diff --git a/src/test/fuzz/mini_miner.cpp b/src/test/fuzz/mini_miner.cpp
index d06594d5f8d..139fdcdab81 100644
--- a/src/test/fuzz/mini_miner.cpp
+++ b/src/test/fuzz/mini_miner.cpp
@@ -174,15 +174,15 @@ FUZZ_TARGET(mini_miner_selection, .init = initialize_miner)
     miner_options.blockMinFeeRate = target_feerate;
     miner_options.nBlockMaxWeight = DEFAULT_BLOCK_MAX_WEIGHT;
     miner_options.test_block_validity = false;
+    miner_options.coinbase_output_script = CScript() << OP_0;
 
     node::BlockAssembler miner{g_setup->m_node.chainman->ActiveChainstate(), &pool, miner_options};
     node::MiniMiner mini_miner{pool, outpoints};
     assert(mini_miner.IsReadyToCalculate());
 
-    CScript spk_placeholder = CScript() << OP_0;
     // Use BlockAssembler as oracle. BlockAssembler and MiniMiner should select the same
     // transactions, stopping once packages do not meet target_feerate.
-    const auto blocktemplate{miner.CreateNewBlock(spk_placeholder)};
+    const auto blocktemplate{miner.CreateNewBlock()};
     mini_miner.BuildMockTemplate(target_feerate);
     assert(!mini_miner.IsReadyToCalculate());
     auto mock_template_txids = mini_miner.GetMockTemplateTxids();
diff --git a/src/test/fuzz/package_eval.cpp b/src/test/fuzz/package_eval.cpp
index 0373d2493fa..2016e3e0522 100644
--- a/src/test/fuzz/package_eval.cpp
+++ b/src/test/fuzz/package_eval.cpp
@@ -21,6 +21,7 @@
 #include <validation.h>
 #include <validationinterface.h>
 
+using node::BlockAssembler;
 using node::NodeContext;
 
 namespace {
@@ -42,8 +43,11 @@ void initialize_tx_pool()
     static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
     g_setup = testing_setup.get();
 
+    BlockAssembler::Options options;
+    options.coinbase_output_script = P2WSH_EMPTY;
+
     for (int i = 0; i < 2 * COINBASE_MATURITY; ++i) {
-        COutPoint prevout{MineBlock(g_setup->m_node, P2WSH_EMPTY)};
+        COutPoint prevout{MineBlock(g_setup->m_node, options)};
         if (i < COINBASE_MATURITY) {
             // Remember the txids to avoid expensive disk access later on
             g_outpoints_coinbase_init_mature.push_back(prevout);
diff --git a/src/test/fuzz/process_message.cpp b/src/test/fuzz/process_message.cpp
index 61723882080..a95c6e54dfb 100644
--- a/src/test/fuzz/process_message.cpp
+++ b/src/test/fuzz/process_message.cpp
@@ -45,7 +45,7 @@ void initialize_process_message()
             {.extra_args = {"-txreconciliation"}});
     g_setup = testing_setup.get();
     for (int i = 0; i < 2 * COINBASE_MATURITY; i++) {
-        MineBlock(g_setup->m_node, CScript() << OP_TRUE);
+        MineBlock(g_setup->m_node, {});
     }
     g_setup->m_node.validation_signals->SyncWithValidationInterfaceQueue();
 }
diff --git a/src/test/fuzz/process_messages.cpp b/src/test/fuzz/process_messages.cpp
index 25bda09378e..9b8ce5b23a8 100644
--- a/src/test/fuzz/process_messages.cpp
+++ b/src/test/fuzz/process_messages.cpp
@@ -35,7 +35,7 @@ void initialize_process_messages()
             {.extra_args = {"-txreconciliation"}});
     g_setup = testing_setup.get();
     for (int i = 0; i < 2 * COINBASE_MATURITY; i++) {
-        MineBlock(g_setup->m_node, CScript() << OP_TRUE);
+        MineBlock(g_setup->m_node, {});
     }
     g_setup->m_node.validation_signals->SyncWithValidationInterfaceQueue();
 }
diff --git a/src/test/fuzz/tx_pool.cpp b/src/test/fuzz/tx_pool.cpp
index 39aa404484e..0116b4c8dec 100644
--- a/src/test/fuzz/tx_pool.cpp
+++ b/src/test/fuzz/tx_pool.cpp
@@ -45,8 +45,11 @@ void initialize_tx_pool()
     static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
     g_setup = testing_setup.get();
 
+    BlockAssembler::Options options;
+    options.coinbase_output_script = P2WSH_OP_TRUE;
+
     for (int i = 0; i < 2 * COINBASE_MATURITY; ++i) {
-        COutPoint prevout{MineBlock(g_setup->m_node, P2WSH_OP_TRUE)};
+        COutPoint prevout{MineBlock(g_setup->m_node, options)};
         // Remember the txids to avoid expensive disk access later on
         auto& outpoints = i < COINBASE_MATURITY ?
                               g_outpoints_coinbase_init_mature :
@@ -98,7 +101,7 @@ void Finish(FuzzedDataProvider& fuzzed_data_provider, MockedTxPool& tx_pool, Cha
         options.nBlockMaxWeight = fuzzed_data_provider.ConsumeIntegralInRange(0U, MAX_BLOCK_WEIGHT);
         options.blockMinFeeRate = CFeeRate{ConsumeMoney(fuzzed_data_provider, /*max=*/COIN)};
         auto assembler = BlockAssembler{chainstate, &tx_pool, options};
-        auto block_template = assembler.CreateNewBlock(CScript{} << OP_TRUE);
+        auto block_template = assembler.CreateNewBlock();
         Assert(block_template->block.vtx.size() >= 1);
     }
     const auto info_all = tx_pool.infoAll();
diff --git a/src/test/fuzz/utxo_total_supply.cpp b/src/test/fuzz/utxo_total_supply.cpp
index b0f1a1251a6..a09de41d7b9 100644
--- a/src/test/fuzz/utxo_total_supply.cpp
+++ b/src/test/fuzz/utxo_total_supply.cpp
@@ -17,6 +17,8 @@
 #include <util/chaintype.h>
 #include <validation.h>
 
+using node::BlockAssembler;
+
 FUZZ_TARGET(utxo_total_supply)
 {
     /** The testing setup that creates a chainman only (no chainstate) */
@@ -36,9 +38,11 @@ FUZZ_TARGET(utxo_total_supply)
         LOCK(chainman.GetMutex());
         return chainman.ActiveHeight();
     };
+    BlockAssembler::Options options;
+    options.coinbase_output_script = CScript() << OP_FALSE;
     const auto PrepareNextBlock = [&]() {
         // Use OP_FALSE to avoid BIP30 check from hitting early
-        auto block = PrepareBlock(node, CScript{} << OP_FALSE);
+        auto block = PrepareBlock(node, options);
         // Replace OP_FALSE with OP_TRUE
         {
             CMutableTransaction tx{*block->vtx.back()};
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index c5ecf7022e1..8a264f3fd39 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -54,7 +54,7 @@ struct MinerTestingSetup : public TestingSetup {
         Assert(error.empty());
         return *m_node.mempool;
     }
-    BlockAssembler AssemblerForTest(CTxMemPool& tx_mempool);
+    BlockAssembler AssemblerForTest(CTxMemPool& tx_mempool, BlockAssembler::Options options);
 };
 } // namespace miner_tests
 
@@ -62,10 +62,8 @@ BOOST_FIXTURE_TEST_SUITE(miner_tests, MinerTestingSetup)
 
 static CFeeRate blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
 
-BlockAssembler MinerTestingSetup::AssemblerForTest(CTxMemPool& tx_mempool)
+BlockAssembler MinerTestingSetup::AssemblerForTest(CTxMemPool& tx_mempool, BlockAssembler::Options options)
 {
-    BlockAssembler::Options options;
-
     options.nBlockMaxWeight = MAX_BLOCK_WEIGHT;
     options.blockMinFeeRate = blockMinFeeRate;
     return BlockAssembler{m_node.chainman->ActiveChainstate(), &tx_mempool, options};
@@ -137,7 +135,9 @@ void MinerTestingSetup::TestPackageSelection(const CScript& scriptPubKey, const
     Txid hashHighFeeTx = tx.GetHash();
     AddToMempool(tx_mempool, entry.Fee(50000).Time(Now<NodeSeconds>()).SpendsCoinbase(false).FromTx(tx));
 
-    std::unique_ptr<CBlockTemplate> pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+    BlockAssembler::Options options;
+    options.coinbase_output_script = scriptPubKey;
+    std::unique_ptr<CBlockTemplate> pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
     BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 4U);
     BOOST_CHECK(pblocktemplate->block.vtx[1]->GetHash() == hashParentTx);
     BOOST_CHECK(pblocktemplate->block.vtx[2]->GetHash() == hashHighFeeTx);
@@ -158,7 +158,7 @@ void MinerTestingSetup::TestPackageSelection(const CScript& scriptPubKey, const
     tx.vout[0].nValue = 5000000000LL - 1000 - 50000 - feeToUse;
     Txid hashLowFeeTx = tx.GetHash();
     AddToMempool(tx_mempool, entry.Fee(feeToUse).FromTx(tx));
-    pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+    pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
     // Verify that the free tx and the low fee tx didn't get selected
     for (size_t i=0; i<pblocktemplate->block.vtx.size(); ++i) {
         BOOST_CHECK(pblocktemplate->block.vtx[i]->GetHash() != hashFreeTx);
@@ -172,7 +172,7 @@ void MinerTestingSetup::TestPackageSelection(const CScript& scriptPubKey, const
     tx.vout[0].nValue -= 2; // Now we should be just over the min relay fee
     hashLowFeeTx = tx.GetHash();
     AddToMempool(tx_mempool, entry.Fee(feeToUse + 2).FromTx(tx));
-    pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+    pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
     BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 6U);
     BOOST_CHECK(pblocktemplate->block.vtx[4]->GetHash() == hashFreeTx);
     BOOST_CHECK(pblocktemplate->block.vtx[5]->GetHash() == hashLowFeeTx);
@@ -194,7 +194,7 @@ void MinerTestingSetup::TestPackageSelection(const CScript& scriptPubKey, const
     tx.vout[0].nValue = 5000000000LL - 100000000 - feeToUse;
     Txid hashLowFeeTx2 = tx.GetHash();
     AddToMempool(tx_mempool, entry.Fee(feeToUse).SpendsCoinbase(false).FromTx(tx));
-    pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+    pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
 
     // Verify that this tx isn't selected.
     for (size_t i=0; i<pblocktemplate->block.vtx.size(); ++i) {
@@ -207,7 +207,7 @@ void MinerTestingSetup::TestPackageSelection(const CScript& scriptPubKey, const
     tx.vin[0].prevout.n = 1;
     tx.vout[0].nValue = 100000000 - 10000; // 10k satoshi fee
     AddToMempool(tx_mempool, entry.Fee(10000).FromTx(tx));
-    pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+    pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
     BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 9U);
     BOOST_CHECK(pblocktemplate->block.vtx[8]->GetHash() == hashLowFeeTx2);
 }
@@ -225,12 +225,15 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
     const CAmount HIGHFEE = COIN;
     const CAmount HIGHERFEE = 4 * COIN;
 
+    BlockAssembler::Options options;
+    options.coinbase_output_script = scriptPubKey;
+
     {
         CTxMemPool& tx_mempool{MakeMempool()};
         LOCK(tx_mempool.cs);
 
         // Just to make sure we can still make simple blocks
-        auto pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+        auto pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
         BOOST_CHECK(pblocktemplate);
 
         // block sigops > limit: 1000 CHECKMULTISIG + 1
@@ -250,7 +253,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
             tx.vin[0].prevout.hash = hash;
         }
 
-        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-blk-sigops"));
+        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool, options).CreateNewBlock(), std::runtime_error, HasReason("bad-blk-sigops"));
     }
 
     {
@@ -267,7 +270,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
             AddToMempool(tx_mempool, entry.Fee(LOWFEE).Time(Now<NodeSeconds>()).SpendsCoinbase(spendsCoinbase).SigOpsCost(80).FromTx(tx));
             tx.vin[0].prevout.hash = hash;
         }
-        BOOST_CHECK(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey));
+        BOOST_CHECK(AssemblerForTest(tx_mempool, options).CreateNewBlock());
     }
 
     {
@@ -291,7 +294,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
             AddToMempool(tx_mempool, entry.Fee(LOWFEE).Time(Now<NodeSeconds>()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
             tx.vin[0].prevout.hash = hash;
         }
-        BOOST_CHECK(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey));
+        BOOST_CHECK(AssemblerForTest(tx_mempool, options).CreateNewBlock());
     }
 
     {
@@ -301,7 +304,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
         // orphan in tx_mempool, template creation fails
         hash = tx.GetHash();
         AddToMempool(tx_mempool, entry.Fee(LOWFEE).Time(Now<NodeSeconds>()).FromTx(tx));
-        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
+        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool, options).CreateNewBlock(), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
     }
 
     {
@@ -322,7 +325,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
         tx.vout[0].nValue = tx.vout[0].nValue + BLOCKSUBSIDY - HIGHERFEE; // First txn output + fresh coinbase - new txn fee
         hash = tx.GetHash();
         AddToMempool(tx_mempool, entry.Fee(HIGHERFEE).Time(Now<NodeSeconds>()).SpendsCoinbase(true).FromTx(tx));
-        BOOST_CHECK(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey));
+        BOOST_CHECK(AssemblerForTest(tx_mempool, options).CreateNewBlock());
     }
 
     {
@@ -338,7 +341,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
         // give it a fee so it'll get mined
         AddToMempool(tx_mempool, entry.Fee(LOWFEE).Time(Now<NodeSeconds>()).SpendsCoinbase(false).FromTx(tx));
         // Should throw bad-cb-multiple
-        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-cb-multiple"));
+        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool, options).CreateNewBlock(), std::runtime_error, HasReason("bad-cb-multiple"));
     }
 
     {
@@ -355,7 +358,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
         tx.vout[0].scriptPubKey = CScript() << OP_2;
         hash = tx.GetHash();
         AddToMempool(tx_mempool, entry.Fee(HIGHFEE).Time(Now<NodeSeconds>()).SpendsCoinbase(true).FromTx(tx));
-        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
+        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool, options).CreateNewBlock(), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
     }
 
     {
@@ -375,7 +378,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
             next->BuildSkip();
             m_node.chainman->ActiveChain().SetTip(*next);
         }
-        BOOST_CHECK(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey));
+        BOOST_CHECK(AssemblerForTest(tx_mempool, options).CreateNewBlock());
         // Extend to a 210000-long block chain.
         while (m_node.chainman->ActiveChain().Tip()->nHeight < 210000) {
             CBlockIndex* prev = m_node.chainman->ActiveChain().Tip();
@@ -387,7 +390,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
             next->BuildSkip();
             m_node.chainman->ActiveChain().SetTip(*next);
         }
-        BOOST_CHECK(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey));
+        BOOST_CHECK(AssemblerForTest(tx_mempool, options).CreateNewBlock());
 
         // invalid p2sh txn in tx_mempool, template creation fails
         tx.vin[0].prevout.hash = txFirst[0]->GetHash();
@@ -403,7 +406,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
         tx.vout[0].nValue -= LOWFEE;
         hash = tx.GetHash();
         AddToMempool(tx_mempool, entry.Fee(LOWFEE).Time(Now<NodeSeconds>()).SpendsCoinbase(false).FromTx(tx));
-        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("mandatory-script-verify-flag-failed"));
+        BOOST_CHECK_EXCEPTION(AssemblerForTest(tx_mempool, options).CreateNewBlock(), std::runtime_error, HasReason("mandatory-script-verify-flag-failed"));
 
         // Delete the dummy blocks again.
         while (m_node.chainman->ActiveChain().Tip()->nHeight > nHeight) {
@@ -505,7 +508,7 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
     tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1;
     BOOST_CHECK(!TestSequenceLocks(CTransaction{tx}, tx_mempool)); // Sequence locks fail
 
-    auto pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+    auto pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
     BOOST_CHECK(pblocktemplate);
 
     // None of the of the absolute height/time locked tx should have made
@@ -521,12 +524,15 @@ void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::
     m_node.chainman->ActiveChain().Tip()->nHeight++;
     SetMockTime(m_node.chainman->ActiveChain().Tip()->GetMedianTimePast() + 1);
 
-    BOOST_CHECK(pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey));
+    BOOST_CHECK(pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock());
     BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5U);
 }
 
 void MinerTestingSetup::TestPrioritisedMining(const CScript& scriptPubKey, const std::vector<CTransactionRef>& txFirst)
 {
+    BlockAssembler::Options options;
+    options.coinbase_output_script = scriptPubKey;
+
     CTxMemPool& tx_mempool{MakeMempool()};
     LOCK(tx_mempool.cs);
 
@@ -588,7 +594,7 @@ void MinerTestingSetup::TestPrioritisedMining(const CScript& scriptPubKey, const
     Txid hashFreeGrandchild = tx.GetHash();
     AddToMempool(tx_mempool, entry.Fee(0).SpendsCoinbase(false).FromTx(tx));
 
-    auto pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey);
+    auto pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock();
     BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 6U);
     BOOST_CHECK(pblocktemplate->block.vtx[1]->GetHash() == hashFreeParent);
     BOOST_CHECK(pblocktemplate->block.vtx[2]->GetHash() == hashFreePrioritisedTx);
@@ -610,9 +616,12 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
     CScript scriptPubKey = CScript() << "04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"_hex << OP_CHECKSIG;
     std::unique_ptr<CBlockTemplate> pblocktemplate;
 
+    BlockAssembler::Options options;
+    options.coinbase_output_script = scriptPubKey;
+
     CTxMemPool& tx_mempool{*m_node.mempool};
     // Simple block creation, nothing special yet:
-    BOOST_CHECK(pblocktemplate = AssemblerForTest(tx_mempool).CreateNewBlock(scriptPubKey));
+    BOOST_CHECK(pblocktemplate = AssemblerForTest(tx_mempool, options).CreateNewBlock());
 
     // We can't make transactions until we have inputs
     // Therefore, load 110 blocks :)
diff --git a/src/test/peerman_tests.cpp b/src/test/peerman_tests.cpp
index 6de373eef23..64b13fa3cc1 100644
--- a/src/test/peerman_tests.cpp
+++ b/src/test/peerman_tests.cpp
@@ -20,8 +20,7 @@ static void mineBlock(const node::NodeContext& node, std::chrono::seconds block_
 {
     auto curr_time = GetTime<std::chrono::seconds>();
     SetMockTime(block_time); // update time so the block is created with it
-    node::BlockAssembler::Options options;
-    CBlock block = node::BlockAssembler{node.chainman->ActiveChainstate(), nullptr, options}.CreateNewBlock(CScript() << OP_TRUE)->block;
+    CBlock block = node::BlockAssembler{node.chainman->ActiveChainstate(), nullptr, {}}.CreateNewBlock()->block;
     while (!CheckProofOfWork(block.GetHash(), block.nBits, node.chainman->GetConsensus())) ++block.nNonce;
     block.fChecked = true; // little speedup
     SetMockTime(curr_time); // process block at current time
diff --git a/src/test/util/mining.cpp b/src/test/util/mining.cpp
index ad7a38d3fea..bde634ec1cd 100644
--- a/src/test/util/mining.cpp
+++ b/src/test/util/mining.cpp
@@ -24,9 +24,10 @@ COutPoint generatetoaddress(const NodeContext& node, const std::string& address)
 {
     const auto dest = DecodeDestination(address);
     assert(IsValidDestination(dest));
-    const auto coinbase_script = GetScriptForDestination(dest);
+    BlockAssembler::Options assembler_options;
+    assembler_options.coinbase_output_script = {GetScriptForDestination(dest)};
 
-    return MineBlock(node, coinbase_script);
+    return MineBlock(node, assembler_options);
 }
 
 std::vector<std::shared_ptr<CBlock>> CreateBlockChain(size_t total_height, const CChainParams& params)
@@ -60,9 +61,9 @@ std::vector<std::shared_ptr<CBlock>> CreateBlockChain(size_t total_height, const
     return ret;
 }
 
-COutPoint MineBlock(const NodeContext& node, const CScript& coinbase_scriptPubKey)
+COutPoint MineBlock(const NodeContext& node, const node::BlockAssembler::Options& assembler_options)
 {
-    auto block = PrepareBlock(node, coinbase_scriptPubKey);
+    auto block = PrepareBlock(node, assembler_options);
     auto valid = MineBlock(node, block);
     assert(!valid.IsNull());
     return valid;
@@ -108,12 +109,12 @@ COutPoint MineBlock(const NodeContext& node, std::shared_ptr<CBlock>& block)
     return {};
 }
 
-std::shared_ptr<CBlock> PrepareBlock(const NodeContext& node, const CScript& coinbase_scriptPubKey,
+std::shared_ptr<CBlock> PrepareBlock(const NodeContext& node,
                                      const BlockAssembler::Options& assembler_options)
 {
     auto block = std::make_shared<CBlock>(
         BlockAssembler{Assert(node.chainman)->ActiveChainstate(), Assert(node.mempool.get()), assembler_options}
-            .CreateNewBlock(coinbase_scriptPubKey)
+            .CreateNewBlock()
             ->block);
 
     LOCK(cs_main);
@@ -125,6 +126,7 @@ std::shared_ptr<CBlock> PrepareBlock(const NodeContext& node, const CScript& coi
 std::shared_ptr<CBlock> PrepareBlock(const NodeContext& node, const CScript& coinbase_scriptPubKey)
 {
     BlockAssembler::Options assembler_options;
+    assembler_options.coinbase_output_script = coinbase_scriptPubKey;
     ApplyArgsManOptions(*node.args, assembler_options);
-    return PrepareBlock(node, coinbase_scriptPubKey, assembler_options);
+    return PrepareBlock(node, assembler_options);
 }
diff --git a/src/test/util/mining.h b/src/test/util/mining.h
index 3f071257f1d..9c6e29b4d34 100644
--- a/src/test/util/mining.h
+++ b/src/test/util/mining.h
@@ -23,7 +23,8 @@ struct NodeContext;
 std::vector<std::shared_ptr<CBlock>> CreateBlockChain(size_t total_height, const CChainParams& params);
 
 /** Returns the generated coin */
-COutPoint MineBlock(const node::NodeContext&, const CScript& coinbase_scriptPubKey);
+COutPoint MineBlock(const node::NodeContext&,
+                    const node::BlockAssembler::Options& assembler_options);
 
 /**
  * Returns the generated coin (or Null if the block was invalid).
@@ -32,8 +33,8 @@ COutPoint MineBlock(const node::NodeContext&, const CScript& coinbase_scriptPubK
 COutPoint MineBlock(const node::NodeContext&, std::shared_ptr<CBlock>& block);
 
 /** Prepare a block to be mined */
-std::shared_ptr<CBlock> PrepareBlock(const node::NodeContext&, const CScript& coinbase_scriptPubKey);
-std::shared_ptr<CBlock> PrepareBlock(const node::NodeContext& node, const CScript& coinbase_scriptPubKey,
+std::shared_ptr<CBlock> PrepareBlock(const node::NodeContext&);
+std::shared_ptr<CBlock> PrepareBlock(const node::NodeContext& node,
                                      const node::BlockAssembler::Options& assembler_options);
 
 /** RPC-like helper function, returns the generated coin */
diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index 12feba09a54..68cf49681bc 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -377,7 +377,8 @@ CBlock TestChain100Setup::CreateBlock(
     Chainstate& chainstate)
 {
     BlockAssembler::Options options;
-    CBlock block = BlockAssembler{chainstate, nullptr, options}.CreateNewBlock(scriptPubKey)->block;
+    options.coinbase_output_script = scriptPubKey;
+    CBlock block = BlockAssembler{chainstate, nullptr, options}.CreateNewBlock()->block;
 
     Assert(block.vtx.size() == 1);
     for (const CMutableTransaction& tx : txns) {
diff --git a/src/test/validation_block_tests.cpp b/src/test/validation_block_tests.cpp
index f3bc8e71391..5c1f195868b 100644
--- a/src/test/validation_block_tests.cpp
+++ b/src/test/validation_block_tests.cpp
@@ -66,7 +66,8 @@ std::shared_ptr<CBlock> MinerTestingSetup::Block(const uint256& prev_hash)
     static uint64_t time = Params().GenesisBlock().nTime;
 
     BlockAssembler::Options options;
-    auto ptemplate = BlockAssembler{m_node.chainman->ActiveChainstate(), m_node.mempool.get(), options}.CreateNewBlock(CScript{} << i++ << OP_TRUE);
+    options.coinbase_output_script = CScript{} << i++ << OP_TRUE;
+    auto ptemplate = BlockAssembler{m_node.chainman->ActiveChainstate(), m_node.mempool.get(), options}.CreateNewBlock();
     auto pblock = std::make_shared<CBlock>(ptemplate->block);
     pblock->hashPrevBlock = prev_hash;
     pblock->nTime = ++time;
@@ -331,7 +332,8 @@ BOOST_AUTO_TEST_CASE(witness_commitment_index)
     CScript pubKey;
     pubKey << 1 << OP_TRUE;
     BlockAssembler::Options options;
-    auto ptemplate = BlockAssembler{m_node.chainman->ActiveChainstate(), m_node.mempool.get(), options}.CreateNewBlock(pubKey);
+    options.coinbase_output_script = pubKey;
+    auto ptemplate = BlockAssembler{m_node.chainman->ActiveChainstate(), m_node.mempool.get(), options}.CreateNewBlock();
     CBlock pblock = ptemplate->block;
 
     CTxOut witness;