diff --git a/src/bench/bench.cpp b/src/bench/bench.cpp
--- a/src/bench/bench.cpp
+++ b/src/bench/bench.cpp
@@ -148,7 +148,7 @@
     printer.header();
 
     for (const auto &p : benchmarks()) {
-        TestingSetup test{CBaseChainParams::REGTEST};
+        RegTestingSetup test{};
         assert(::ChainActive().Height() == 0);
 
         if (!std::regex_match(p.first, baseMatch, reFilter)) {
diff --git a/src/test/blockencodings_tests.cpp b/src/test/blockencodings_tests.cpp
--- a/src/test/blockencodings_tests.cpp
+++ b/src/test/blockencodings_tests.cpp
@@ -17,11 +17,7 @@
 
 static std::vector<std::pair<TxHash, CTransactionRef>> extra_txn;
 
-struct RegtestingSetup : public TestingSetup {
-    RegtestingSetup() : TestingSetup(CBaseChainParams::REGTEST) {}
-};
-
-BOOST_FIXTURE_TEST_SUITE(blockencodings_tests, RegtestingSetup)
+BOOST_FIXTURE_TEST_SUITE(blockencodings_tests, RegTestingSetup)
 
 static COutPoint InsecureRandOutPoint() {
     return COutPoint(TxId(InsecureRand256()), 0);
diff --git a/src/test/setup_common.h b/src/test/setup_common.h
--- a/src/test/setup_common.h
+++ b/src/test/setup_common.h
@@ -98,6 +98,11 @@
     ~TestingSetup();
 };
 
+/** Identical to TestingSetup, but chain set to regtest */
+struct RegTestingSetup : public TestingSetup {
+    RegTestingSetup() : TestingSetup{CBaseChainParams::REGTEST} {}
+};
+
 class CBlock;
 class CMutableTransaction;
 class CScript;
@@ -106,7 +111,7 @@
 // Testing fixture that pre-creates a
 // 100-block REGTEST-mode block chain
 //
-struct TestChain100Setup : public TestingSetup {
+struct TestChain100Setup : public RegTestingSetup {
     TestChain100Setup();
 
     // Create a new block with just given transactions, coinbase paying to
diff --git a/src/test/setup_common.cpp b/src/test/setup_common.cpp
--- a/src/test/setup_common.cpp
+++ b/src/test/setup_common.cpp
@@ -149,8 +149,7 @@
     pblocktree.reset();
 }
 
-TestChain100Setup::TestChain100Setup()
-    : TestingSetup(CBaseChainParams::REGTEST) {
+TestChain100Setup::TestChain100Setup() {
     // Generate a 100-block chain:
     coinbaseKey.MakeNewKey(true);
     CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey())
diff --git a/src/test/validation_block_tests.cpp b/src/test/validation_block_tests.cpp
--- a/src/test/validation_block_tests.cpp
+++ b/src/test/validation_block_tests.cpp
@@ -19,11 +19,7 @@
 
 #include <thread>
 
-struct RegtestingSetup : public TestingSetup {
-    RegtestingSetup() : TestingSetup(CBaseChainParams::REGTEST) {}
-};
-
-BOOST_FIXTURE_TEST_SUITE(validation_block_tests, RegtestingSetup)
+BOOST_FIXTURE_TEST_SUITE(validation_block_tests, RegTestingSetup)
 
 struct TestSubscriber : public CValidationInterface {
     uint256 m_expected_tip;