diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index fdd96c01e07d7..9b48ea2527251 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -789,7 +789,7 @@ class CRegTestParams : public CChainParams {
         consensus.DIP0024Height = 900;
         consensus.DIP0024QuorumsHeight = 900;
         consensus.V19Height = 900;
-        consensus.V20Height = 1200;
+        consensus.V20Height = 900;
         consensus.MinBIP9WarningHeight = 0;
         consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 1
         consensus.nPowTargetTimespan = 24 * 60 * 60; // Dash: 1 day
diff --git a/src/evo/specialtxman.cpp b/src/evo/specialtxman.cpp
index 2e1b29ce8ece0..e20a9e0d4f7b3 100644
--- a/src/evo/specialtxman.cpp
+++ b/src/evo/specialtxman.cpp
@@ -48,23 +48,10 @@ static bool CheckSpecialTxInner(CDeterministicMNManager& dmnman, const Chainstat
         case TRANSACTION_QUORUM_COMMITMENT:
             return llmq::CheckLLMQCommitment(dmnman, chainman, tx, pindexPrev, state);
         case TRANSACTION_MNHF_SIGNAL:
-            if (!DeploymentActiveAfter(pindexPrev, consensusParams, Consensus::DEPLOYMENT_V20)) {
-                return state.Invalid(TxValidationResult::TX_CONSENSUS, "mnhf-before-v20");
-            }
             return CheckMNHFTx(chainman, qman, tx, pindexPrev, state);
         case TRANSACTION_ASSET_LOCK:
-            if (!DeploymentActiveAfter(pindexPrev, consensusParams, Consensus::DEPLOYMENT_V20)) {
-                return state.Invalid(TxValidationResult::TX_CONSENSUS, "assetlocks-before-v20");
-            }
             return CheckAssetLockUnlockTx(chainman.m_blockman, qman, tx, pindexPrev, indexes, state);
         case TRANSACTION_ASSET_UNLOCK:
-            if (Params().NetworkIDString() == CBaseChainParams::REGTEST && !DeploymentActiveAfter(pindexPrev, consensusParams, Consensus::DEPLOYMENT_V20)) {
-                // TODO:  adjust functional tests to make it activated by MN_RR on regtest too
-                return state.Invalid(TxValidationResult::TX_CONSENSUS, "assetunlocks-before-v20");
-            }
-            if (Params().NetworkIDString() != CBaseChainParams::REGTEST && !DeploymentActiveAfter(pindexPrev, consensusParams, Consensus::DEPLOYMENT_MN_RR)) {
-                return state.Invalid(TxValidationResult::TX_CONSENSUS, "assetunlocks-before-mn_rr");
-            }
             return CheckAssetLockUnlockTx(chainman.m_blockman, qman, tx, pindexPrev, indexes, state);
         }
     } catch (const std::exception& e) {
diff --git a/src/test/block_reward_reallocation_tests.cpp b/src/test/block_reward_reallocation_tests.cpp
index bd87cf7f06739..4e9aa135f90ad 100644
--- a/src/test/block_reward_reallocation_tests.cpp
+++ b/src/test/block_reward_reallocation_tests.cpp
@@ -36,7 +36,7 @@ struct TestChainBRRBeforeActivationSetup : public TestChainSetup
 {
     // Force fast DIP3 activation
     TestChainBRRBeforeActivationSetup() :
-        TestChainSetup(497, {"-dip3params=30:50", "-testactivationheight=brr@1000",
+        TestChainSetup(497, {"-dip3params=30:50", "-testactivationheight=brr@1000", "-testactivationheight=v20@1200",
                              "-vbparams=mn_rr:0:999999999999:0:20:16:12:5:1"})
     {
     }
diff --git a/src/test/evo_deterministicmns_tests.cpp b/src/test/evo_deterministicmns_tests.cpp
index caedcca2d9295..20ebfeea1f7bb 100644
--- a/src/test/evo_deterministicmns_tests.cpp
+++ b/src/test/evo_deterministicmns_tests.cpp
@@ -814,6 +814,49 @@ void FuncVerifyDB(TestChainSetup& setup)
 
 BOOST_AUTO_TEST_SUITE(evo_dip3_activation_tests)
 
+struct TestChainDIP3BeforeActivationSetup : public TestChainSetup {
+    TestChainDIP3BeforeActivationSetup() :
+        TestChainSetup(430)
+    {
+    }
+};
+
+struct TestChainDIP3Setup : public TestChainDIP3BeforeActivationSetup {
+    TestChainDIP3Setup()
+    {
+        // Activate DIP3 here
+        CreateAndProcessBlock({}, coinbaseKey);
+    }
+};
+
+struct TestChainV19BeforeActivationSetup : public TestChainSetup {
+    TestChainV19BeforeActivationSetup();
+};
+
+struct TestChainV19Setup : public TestChainV19BeforeActivationSetup {
+    TestChainV19Setup()
+    {
+        // Activate V19
+        for (int i = 0; i < 5; ++i) {
+            CreateAndProcessBlock({}, coinbaseKey);
+        }
+        bool v19_just_activated{DeploymentActiveAfter(m_node.chainman->ActiveChain().Tip(), Params().GetConsensus(),
+                                                      Consensus::DEPLOYMENT_V19) &&
+                                !DeploymentActiveAt(*m_node.chainman->ActiveChain().Tip(), Params().GetConsensus(),
+                                                    Consensus::DEPLOYMENT_V19)};
+        assert(v19_just_activated);
+    }
+};
+
+// 5 blocks earlier
+TestChainV19BeforeActivationSetup::TestChainV19BeforeActivationSetup() :
+    TestChainSetup(894)
+{
+    bool v19_active{DeploymentActiveAfter(m_node.chainman->ActiveChain().Tip(), Params().GetConsensus(),
+                                          Consensus::DEPLOYMENT_V19)};
+    assert(!v19_active);
+}
+
 // DIP3 can only be activated with legacy scheme (v19 is activated later)
 BOOST_AUTO_TEST_CASE(dip3_activation_legacy)
 {
diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index e3453a9a6e401..74770c301fb27 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -358,14 +358,10 @@ TestChainSetup::TestChainSetup(int num_blocks, const std::vector<const char*>& e
             {  100, uint256S("0x6ffb83129c19ebdf1ae3771be6a67fe34b35f4c956326b9ba152fac1649f65ae") },
             /* TestChainDIP3BeforeActivationSetup */
             {  430, uint256S("0x0bcefaa33fec56cd84d05d0e76cd6a78badcc20f627d91903646de6a07930a14") },
-            /* TestChainDIP3Setup */
-            {  431, uint256S("0x5fd3aa5ef29464839499d7f847edd9362e3e73392b79d3bd88b1591f5fb17d4e") },
             /* TestChainBRRBeforeActivationSetup */
             {  497, uint256S("0x23c31820ec5160b7181bfdf328e2b76cd12c9fa4544d892b7f01e74dd6220849") },
             /* TestChainV19BeforeActivationSetup */
             {  894, uint256S("0x2885cf0fe8fdf29803b6c65002ba2570ff011531d8ea92be312a85d655e00c51") },
-            /* TestChainV19Setup */
-            {  899, uint256S("0x7df3c857ce647b3ecd0d4b389b6b0f16e2bdc60b20a8d01c4ad946fe5f15dbc2") },
         }
     };
 
@@ -571,16 +567,3 @@ CBlock getBlock13b8a()
     return block;
 }
 
-TestChainV19Setup::TestChainV19Setup() : TestChainSetup(899)
-{
-    bool v19_just_activated{DeploymentActiveAfter(m_node.chainman->ActiveChain().Tip(), Params().GetConsensus(), Consensus::DEPLOYMENT_V19) &&
-                            !DeploymentActiveAt(*m_node.chainman->ActiveChain().Tip(), Params().GetConsensus(), Consensus::DEPLOYMENT_V19)};
-    assert(v19_just_activated);
-}
-
-// 5 blocks earlier
-TestChainV19BeforeActivationSetup::TestChainV19BeforeActivationSetup() : TestChainSetup(894)
-{
-    bool v19_active{DeploymentActiveAfter(m_node.chainman->ActiveChain().Tip(), Params().GetConsensus(), Consensus::DEPLOYMENT_V19)};
-    assert(!v19_active);
-}
diff --git a/src/test/util/setup_common.h b/src/test/util/setup_common.h
index 25884a9cf09b2..f21205cff26c3 100644
--- a/src/test/util/setup_common.h
+++ b/src/test/util/setup_common.h
@@ -183,26 +183,6 @@ struct TestChain100Setup : public TestChainSetup {
     TestChain100Setup(const std::vector<const char*>& extra_args = {});
 };
 
-struct TestChainDIP3Setup : public TestChainSetup
-{
-    TestChainDIP3Setup() : TestChainSetup(431) {}
-};
-
-struct TestChainV19Setup : public TestChainSetup
-{
-    TestChainV19Setup();
-};
-
-struct TestChainDIP3BeforeActivationSetup : public TestChainSetup
-{
-    TestChainDIP3BeforeActivationSetup() : TestChainSetup(430) {}
-};
-
-struct TestChainV19BeforeActivationSetup : public TestChainSetup
-{
-    TestChainV19BeforeActivationSetup();
-};
-
 /**
  * Make a test setup that has disk access to the debug.log file disabled. Can
  * be used in "hot loops", for example fuzzing or benchmarking.
diff --git a/test/functional/feature_asset_locks.py b/test/functional/feature_asset_locks.py
index de207dbb94024..5f0f03e77a0d4 100755
--- a/test/functional/feature_asset_locks.py
+++ b/test/functional/feature_asset_locks.py
@@ -242,8 +242,8 @@ def run_test(self):
 
         self.set_sporks()
 
-        self.activate_v19(expected_activation_height=900)
-        self.log.info("Activated v19 at height:" + str(node.getblockcount()))
+        self.activate_v20(expected_activation_height=900)
+        self.log.info("Activated v20 at height:" + str(node.getblockcount()))
 
         self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", 0)
         self.wait_for_sporks_same()
@@ -256,7 +256,6 @@ def run_test(self):
             self.sync_blocks()
 
         self.set_sporks()
-        self.activate_v20()
         node.generate(1)
         self.sync_all()
         self.mempool_size = 0
@@ -640,7 +639,7 @@ def test_mn_rr(self, node_wallet, node, pubkey):
         all_mn_rewards = platform_reward + owner_reward + operator_reward
         assert_equal(all_mn_rewards, bt['coinbasevalue'] * 3 // 4)  # 75/25 mn/miner reward split
         assert_equal(platform_reward, all_mn_rewards * 375 // 1000)  # 0.375 platform share
-        assert_equal(platform_reward, 31916328)
+        assert_equal(platform_reward, 37015386)
         assert_equal(locked, self.get_credit_pool_balance())
         node.generate(1)
         self.sync_all()
diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py
index 50140901eafc7..460cf4571d015 100755
--- a/test/functional/feature_block.py
+++ b/test/functional/feature_block.py
@@ -85,12 +85,12 @@ def set_test_params(self):
         # Very large reorgs cause cs_main to be held for a very long time in ActivateBestChainStep,
         # which causes RPC to hang, so we need to increase RPC timeouts
         self.rpc_timeout = 180
-        # Must set '-dip3params=2000:2000' to create pre-dip3 blocks only
         self.extra_args = [[
-            '-dip3params=2000:2000',
+            '-dip3params=2000:2000', # Must set '-dip3params=2000:2000' to create pre-dip3 blocks only
             '-acceptnonstdtxn=1',  # This is a consensus block test, we don't care about tx policy
             '-testactivationheight=bip34@2',
             '-testactivationheight=dip0001@2000',
+            '-testactivationheight=v20@2000',
         ]]
 
     def setup_nodes(self):
diff --git a/test/functional/feature_blockfilterindex_prune.py b/test/functional/feature_blockfilterindex_prune.py
index 9cc2d16d919a1..2f60d214563cb 100755
--- a/test/functional/feature_blockfilterindex_prune.py
+++ b/test/functional/feature_blockfilterindex_prune.py
@@ -43,7 +43,7 @@ def run_test(self):
         assert_greater_than(len(self.nodes[0].getblockfilter(self.nodes[0].getblockhash(2))['filter']), 0)
 
         self.log.info("start node without blockfilterindex")
-        self.restart_node(0, extra_args=["-fastprune", "-prune=1"], expected_stderr=EXPECTED_STDERR_NO_GOV_PRUNE)
+        self.restart_node(0, extra_args=["-fastprune", "-prune=1", '-testactivationheight=v20@2000'], expected_stderr=EXPECTED_STDERR_NO_GOV_PRUNE)
 
         self.log.info("make sure accessing the blockfilters throws an error")
         assert_raises_rpc_error(-1, "Index is not enabled for filtertype basic", self.nodes[0].getblockfilter, self.nodes[0].getblockhash(2))
diff --git a/test/functional/feature_dip3_v19.py b/test/functional/feature_dip3_v19.py
index fd987c7be2181..6ff2611bbd9e7 100755
--- a/test/functional/feature_dip3_v19.py
+++ b/test/functional/feature_dip3_v19.py
@@ -43,7 +43,10 @@ def getmnlistdiff(self, base_block_hash, block_hash):
 
 class DIP3V19Test(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(6, 5, fast_dip3_enforcement=True, evo_count=2)
+        self.extra_args = [[
+            '-testactivationheight=v20@1200', # required otherwise mine_quorum("llmq_test [100]") fails
+        ]] * 6
+        self.set_dash_test_params(6, 5, evo_count=2, extra_args=self.extra_args)
 
     def run_test(self):
         # Connect all nodes to node1 so that we always have the whole network connected
diff --git a/test/functional/feature_dip4_coinbasemerkleroots.py b/test/functional/feature_dip4_coinbasemerkleroots.py
index f0287c0796b50..d4fbf60795fc3 100755
--- a/test/functional/feature_dip4_coinbasemerkleroots.py
+++ b/test/functional/feature_dip4_coinbasemerkleroots.py
@@ -44,7 +44,7 @@ def getmnlistdiff(self, baseBlockHash, blockHash):
 class LLMQCoinbaseCommitmentsTest(DashTestFramework):
     def set_test_params(self):
         self.extra_args = [[ f'-testactivationheight=dip0008@{DIP0008_HEIGHT}', "-vbparams=testdummy:999999999999:999999999999" ]] * 4
-        self.set_dash_test_params(4, 3, extra_args = self.extra_args, fast_dip3_enforcement=True)
+        self.set_dash_test_params(4, 3, extra_args = self.extra_args)
     def run_test(self):
         # No IS or Chainlocks in this test
         self.bump_mocktime(1)
diff --git a/test/functional/feature_governance.py b/test/functional/feature_governance.py
index 0a38ac1eaa93a..58e4188824e25 100755
--- a/test/functional/feature_governance.py
+++ b/test/functional/feature_governance.py
@@ -18,7 +18,7 @@ def set_test_params(self):
         self.set_dash_test_params(6, 5, [[
             "-budgetparams=10:10:10",
             '-testactivationheight=v20@160',
-        ]] * 6, fast_dip3_enforcement=True)
+        ]] * 6)
 
     def check_superblockbudget(self, v20_active):
         v20_state = self.nodes[0].getblockchaininfo()["softforks"]["v20"]
diff --git a/test/functional/feature_governance_cl.py b/test/functional/feature_governance_cl.py
index 99bdf3dfdd864..718bdc80d3456 100755
--- a/test/functional/feature_governance_cl.py
+++ b/test/functional/feature_governance_cl.py
@@ -14,7 +14,7 @@
 
 class DashGovernanceTest (DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(6, 5, [["-budgetparams=10:10:10"]] * 6, fast_dip3_enforcement=True)
+        self.set_dash_test_params(6, 5, [["-budgetparams=10:10:10"]] * 6)
 
     def prepare_object(self, object_type, parent_hash, creation_time, revision, name, amount, payment_address):
         proposal_rev = revision
diff --git a/test/functional/feature_llmq_chainlocks.py b/test/functional/feature_llmq_chainlocks.py
index 72f2cd6f93c8a..49563bb46eadc 100755
--- a/test/functional/feature_llmq_chainlocks.py
+++ b/test/functional/feature_llmq_chainlocks.py
@@ -20,7 +20,7 @@
 
 class LLMQChainLocksTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(5, 4, fast_dip3_enforcement=True)
+        self.set_dash_test_params(5, 4)
 
     def run_test(self):
 
@@ -33,7 +33,7 @@ def run_test(self):
 
         self.test_coinbase_best_cl(self.nodes[0], expected_cl_in_cb=False)
 
-        self.activate_v20(expected_activation_height=1200)
+        self.activate_v20(expected_activation_height=900)
         self.log.info("Activated v20 at height:" + str(self.nodes[0].getblockcount()))
 
         # v20 is active for the next block, not for the tip
diff --git a/test/functional/feature_llmq_connections.py b/test/functional/feature_llmq_connections.py
index 644084107134e..f75edc94d5e2c 100755
--- a/test/functional/feature_llmq_connections.py
+++ b/test/functional/feature_llmq_connections.py
@@ -17,7 +17,7 @@
 
 class LLMQConnections(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(15, 14, fast_dip3_enforcement=True)
+        self.set_dash_test_params(15, 14)
         self.set_dash_llmq_test_params(5, 3)
         # Probes should age after this many seconds.
         # NOTE: mine_quorum() can bump mocktime quite often internally so make sure this number is high enough.
diff --git a/test/functional/feature_llmq_data_recovery.py b/test/functional/feature_llmq_data_recovery.py
index f6dcc395bbf00..97c12c6fd027d 100755
--- a/test/functional/feature_llmq_data_recovery.py
+++ b/test/functional/feature_llmq_data_recovery.py
@@ -25,7 +25,7 @@
 class QuorumDataRecoveryTest(DashTestFramework):
     def set_test_params(self):
         extra_args = [["-vbparams=testdummy:0:999999999999:0:10:8:6:5:-1"] for _ in range(9)]
-        self.set_dash_test_params(9, 7, fast_dip3_enforcement=True, extra_args=extra_args)
+        self.set_dash_test_params(9, 7, extra_args=extra_args)
         self.set_dash_llmq_test_params(4, 3)
 
     def restart_mn(self, mn, reindex=False, qvvec_sync=None, qdata_recovery_enabled=True):
diff --git a/test/functional/feature_llmq_dkgerrors.py b/test/functional/feature_llmq_dkgerrors.py
index 762dfe09bb4b1..cbf461e03ca90 100755
--- a/test/functional/feature_llmq_dkgerrors.py
+++ b/test/functional/feature_llmq_dkgerrors.py
@@ -14,7 +14,7 @@
 
 class LLMQDKGErrors(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(4, 3, [["-whitelist=127.0.0.1"]] * 4, fast_dip3_enforcement=True)
+        self.set_dash_test_params(4, 3, [["-whitelist=127.0.0.1"]] * 4)
 
     def run_test(self):
         self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", 0)
diff --git a/test/functional/feature_llmq_evo.py b/test/functional/feature_llmq_evo.py
index e3a95cea676af..a26f385995a21 100755
--- a/test/functional/feature_llmq_evo.py
+++ b/test/functional/feature_llmq_evo.py
@@ -46,7 +46,7 @@ def getmnlistdiff(self, baseBlockHash, blockHash):
 
 class LLMQEvoNodesTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(5, 4, fast_dip3_enforcement=True, evo_count=5)
+        self.set_dash_test_params(5, 4, evo_count=5)
         self.set_dash_llmq_test_params(4, 4)
 
     def run_test(self):
diff --git a/test/functional/feature_llmq_is_cl_conflicts.py b/test/functional/feature_llmq_is_cl_conflicts.py
index a6677bedb4906..f7cf10cd139d2 100755
--- a/test/functional/feature_llmq_is_cl_conflicts.py
+++ b/test/functional/feature_llmq_is_cl_conflicts.py
@@ -49,7 +49,7 @@ def on_getdata(self, message):
 
 class LLMQ_IS_CL_Conflicts(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(5, 4, fast_dip3_enforcement=True)
+        self.set_dash_test_params(5, 4)
         self.set_dash_llmq_test_params(4, 4)
         self.supports_cli = False
 
diff --git a/test/functional/feature_llmq_is_retroactive.py b/test/functional/feature_llmq_is_retroactive.py
index d4e5bb1429491..f026091c84abc 100755
--- a/test/functional/feature_llmq_is_retroactive.py
+++ b/test/functional/feature_llmq_is_retroactive.py
@@ -22,7 +22,7 @@
 class LLMQ_IS_RetroactiveSigning(DashTestFramework):
     def set_test_params(self):
         # -whitelist is needed to avoid the trickling logic on node0
-        self.set_dash_test_params(5, 4, [["-whitelist=127.0.0.1"], [], [], [], ["-minrelaytxfee=0.001"]], fast_dip3_enforcement=True)
+        self.set_dash_test_params(5, 4, [["-whitelist=127.0.0.1"], [], [], [], ["-minrelaytxfee=0.001"]])
 
     def run_test(self):
         self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", 0)
diff --git a/test/functional/feature_llmq_rotation.py b/test/functional/feature_llmq_rotation.py
index 8bfcbbd6a60b5..04ad6bd40b65a 100755
--- a/test/functional/feature_llmq_rotation.py
+++ b/test/functional/feature_llmq_rotation.py
@@ -51,7 +51,7 @@ def getmnlistdiff(self, baseBlockHash, blockHash):
 
 class LLMQQuorumRotationTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(9, 8, fast_dip3_enforcement=True)
+        self.set_dash_test_params(9, 8)
         self.set_dash_llmq_test_params(4, 4)
 
     def run_test(self):
@@ -113,9 +113,9 @@ def run_test(self):
         expectedNew = [h_100_0, h_106_0, h_104_0, h_100_1, h_106_1, h_104_1]
         quorumList = self.test_getmnlistdiff_quorums(b_h_0, b_h_1, {}, expectedDeleted, expectedNew, testQuorumsCLSigs=False)
 
-        projected_activation_height = 1200
+        projected_activation_height = 900
 
-        self.activate_v20(expected_activation_height=1200)
+        self.activate_v20(expected_activation_height=900)
         self.log.info("Activated v20 at height:" + str(self.nodes[0].getblockcount()))
 
         softfork_info = self.nodes[0].getblockchaininfo()['softforks']['v20']
diff --git a/test/functional/feature_llmq_signing.py b/test/functional/feature_llmq_signing.py
index 08edc8827fdfb..8206e7dde41d3 100755
--- a/test/functional/feature_llmq_signing.py
+++ b/test/functional/feature_llmq_signing.py
@@ -18,7 +18,7 @@
 
 class LLMQSigningTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(6, 5, fast_dip3_enforcement=True)
+        self.set_dash_test_params(6, 5)
         self.set_dash_llmq_test_params(5, 3)
 
     def add_options(self, parser):
diff --git a/test/functional/feature_llmq_simplepose.py b/test/functional/feature_llmq_simplepose.py
index 6ca819968adfc..b26b964fef862 100755
--- a/test/functional/feature_llmq_simplepose.py
+++ b/test/functional/feature_llmq_simplepose.py
@@ -18,7 +18,7 @@
 
 class LLMQSimplePoSeTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(6, 5, fast_dip3_enforcement=True)
+        self.set_dash_test_params(6, 5)
         self.set_dash_llmq_test_params(5, 3)
 
     def run_test(self):
diff --git a/test/functional/feature_mnehf.py b/test/functional/feature_mnehf.py
index cadbbbc2caa95..17eab92f15045 100755
--- a/test/functional/feature_mnehf.py
+++ b/test/functional/feature_mnehf.py
@@ -25,7 +25,7 @@
 class MnehfTest(DashTestFramework):
     def set_test_params(self):
         extra_args = [["-vbparams=testdummy:0:999999999999:0:12:12:12:5:1", "-persistmempool=0"] for _ in range(4)]
-        self.set_dash_test_params(4, 3, fast_dip3_enforcement=True, extra_args=extra_args)
+        self.set_dash_test_params(4, 3, extra_args=extra_args)
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()
diff --git a/test/functional/feature_notifications.py b/test/functional/feature_notifications.py
index 44957d0eecec1..5dee940fa562d 100755
--- a/test/functional/feature_notifications.py
+++ b/test/functional/feature_notifications.py
@@ -27,7 +27,7 @@ def notify_outputname(walletname, txid):
 
 class NotificationsTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(6, 4, fast_dip3_enforcement=True)
+        self.set_dash_test_params(6, 4)
 
     def setup_network(self):
         self.wallet = ''.join(chr(i) for i in range(FILE_CHAR_START, FILE_CHAR_END) if chr(i) not in FILE_CHARS_DISALLOWED)
diff --git a/test/functional/interface_zmq_dash.py b/test/functional/interface_zmq_dash.py
index c0366d27ef76c..d5e2a9852ab86 100755
--- a/test/functional/interface_zmq_dash.py
+++ b/test/functional/interface_zmq_dash.py
@@ -108,7 +108,7 @@ def set_test_params(self):
 
         extra_args = [[]] * 5
         extra_args[0] = node0_extra_args
-        self.set_dash_test_params(5, 4, fast_dip3_enforcement=True, extra_args=extra_args)
+        self.set_dash_test_params(5, 4, extra_args=extra_args)
         self.set_dash_llmq_test_params(4, 4)
 
     def skip_test_if_missing_module(self):
diff --git a/test/functional/p2p_ibd_stalling.py b/test/functional/p2p_ibd_stalling.py
index e74c18827b8bf..11380abd62b00 100755
--- a/test/functional/p2p_ibd_stalling.py
+++ b/test/functional/p2p_ibd_stalling.py
@@ -48,7 +48,7 @@ def on_getheaders(self, message):
 class P2PIBDStallingTest(BitcoinTestFramework):
     def set_test_params(self):
         self.disable_mocktime = True
-        self.extra_args = [["-dip3params=2000:2000"]]
+        self.extra_args = [["-dip3params=2000:2000", "-testactivationheight=v20@2000"]]
         self.setup_clean_chain = True
         self.num_nodes = 1
 
diff --git a/test/functional/p2p_instantsend.py b/test/functional/p2p_instantsend.py
index 044f869df9bf9..d7dec82adbc2d 100755
--- a/test/functional/p2p_instantsend.py
+++ b/test/functional/p2p_instantsend.py
@@ -14,7 +14,7 @@
 
 class InstantSendTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(8, 4, fast_dip3_enforcement=True)
+        self.set_dash_test_params(8, 4)
         # set sender,  receiver,  isolated nodes
         self.isolated_idx = 1
         self.receiver_idx = 2
diff --git a/test/functional/p2p_quorum_data.py b/test/functional/p2p_quorum_data.py
index 7257007f8a8f6..e736b118717c9 100755
--- a/test/functional/p2p_quorum_data.py
+++ b/test/functional/p2p_quorum_data.py
@@ -118,7 +118,7 @@ def get_qdata(self):
 class QuorumDataMessagesTest(DashTestFramework):
     def set_test_params(self):
         extra_args = [["-llmq-data-recovery=0", "-deprecatedrpc=banscore"]] * 4
-        self.set_dash_test_params(4, 3, fast_dip3_enforcement=True, extra_args=extra_args)
+        self.set_dash_test_params(4, 3, extra_args=extra_args)
 
     def restart_mn(self, mn, reindex=False):
         args = self.extra_args[mn.node.index] + ['-masternodeblsprivkey=%s' % mn.keyOperator]
diff --git a/test/functional/rpc_blockchain.py b/test/functional/rpc_blockchain.py
index 28deda69088f1..c5720db5138a0 100755
--- a/test/functional/rpc_blockchain.py
+++ b/test/functional/rpc_blockchain.py
@@ -155,7 +155,7 @@ def _test_getblockchaininfo(self):
             'dip0024': { 'type': 'buried', 'active': False, 'height': 900},
             'realloc': { 'type': 'buried', 'active': True, 'height': 1},
             'v19': { 'type': 'buried', 'active': False, 'height': 900},
-            'v20': { 'type': 'buried', 'active': False, 'height': 1200},
+            'v20': { 'type': 'buried', 'active': False, 'height': 900},
             'mn_rr': {
                 'type': 'bip9',
                 'bip9': {
diff --git a/test/functional/rpc_masternode.py b/test/functional/rpc_masternode.py
index 30a4f10a0778b..158b8cbb67d86 100755
--- a/test/functional/rpc_masternode.py
+++ b/test/functional/rpc_masternode.py
@@ -13,7 +13,7 @@
 
 class RPCMasternodeTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(4, 3, fast_dip3_enforcement=True)
+        self.set_dash_test_params(4, 3)
 
     def run_test(self):
         self.log.info("test that results from `winners` and `payments` RPCs match")
diff --git a/test/functional/rpc_mnauth.py b/test/functional/rpc_mnauth.py
index 09b4a7c2f905f..253b7955db8f9 100755
--- a/test/functional/rpc_mnauth.py
+++ b/test/functional/rpc_mnauth.py
@@ -17,7 +17,7 @@
 
 class FakeMNAUTHTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(2, 1, fast_dip3_enforcement=True)
+        self.set_dash_test_params(2, 1)
 
     def run_test(self):
 
diff --git a/test/functional/rpc_net.py b/test/functional/rpc_net.py
index 1972a949844df..9d6c47ce07840 100755
--- a/test/functional/rpc_net.py
+++ b/test/functional/rpc_net.py
@@ -41,7 +41,7 @@ def assert_net_servicesnames(servicesflag, servicenames):
 
 class NetTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(3, 1, fast_dip3_enforcement=True)
+        self.set_dash_test_params(3, 1)
         self.supports_cli = False
 
     def run_test(self):
diff --git a/test/functional/rpc_quorum.py b/test/functional/rpc_quorum.py
index 80cd910624f69..e97b65c143927 100755
--- a/test/functional/rpc_quorum.py
+++ b/test/functional/rpc_quorum.py
@@ -13,7 +13,7 @@
 
 class RPCMasternodeTest(DashTestFramework):
     def set_test_params(self):
-        self.set_dash_test_params(4, 3, fast_dip3_enforcement=True)
+        self.set_dash_test_params(4, 3)
 
     def run_test(self):
         self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", 0)
diff --git a/test/functional/rpc_verifychainlock.py b/test/functional/rpc_verifychainlock.py
index 4e3447048b4c1..42d05597331df 100755
--- a/test/functional/rpc_verifychainlock.py
+++ b/test/functional/rpc_verifychainlock.py
@@ -19,7 +19,7 @@
 class RPCVerifyChainLockTest(DashTestFramework):
     def set_test_params(self):
         # -whitelist is needed to avoid the trickling logic on node0
-        self.set_dash_test_params(5, 3, [["-whitelist=127.0.0.1"], [], [], [], []], fast_dip3_enforcement=True)
+        self.set_dash_test_params(5, 3, [["-whitelist=127.0.0.1"], [], [], [], []])
         self.set_dash_llmq_test_params(3, 2)
 
     def cl_helper(self, height, chainlock, mempool):
diff --git a/test/functional/rpc_verifyislock.py b/test/functional/rpc_verifyislock.py
index 534bbe1c57bfa..10309b6e584f0 100755
--- a/test/functional/rpc_verifyislock.py
+++ b/test/functional/rpc_verifyislock.py
@@ -17,7 +17,7 @@
 class RPCVerifyISLockTest(DashTestFramework):
     def set_test_params(self):
         # -whitelist is needed to avoid the trickling logic on node0
-        self.set_dash_test_params(6, 5, [["-whitelist=127.0.0.1"], [], [], [], [], []], fast_dip3_enforcement=True)
+        self.set_dash_test_params(6, 5, [["-whitelist=127.0.0.1"], [], [], [], [], []])
 
     def get_request_id(self, tx_hex):
         tx = from_hex(CTransaction(), tx_hex)
diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
index d94a17f56f76d..eebc89d266b0b 100755
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -1108,7 +1108,7 @@ def connect_nodes(self, a, b):
             if mn2.node is not None:
                 mn2.node.setmnthreadactive(True)
 
-    def set_dash_test_params(self, num_nodes, masterodes_count, extra_args=None, fast_dip3_enforcement=False, evo_count=0):
+    def set_dash_test_params(self, num_nodes, masterodes_count, extra_args=None, evo_count=0):
         self.mn_count = masterodes_count
         self.evo_count = evo_count
         self.num_nodes = num_nodes
@@ -1120,10 +1120,8 @@ def set_dash_test_params(self, num_nodes, masterodes_count, extra_args=None, fas
         assert_equal(len(extra_args), num_nodes)
         self.extra_args = [copy.deepcopy(a) for a in extra_args]
         self.extra_args[0] += ["-sporkkey=cP4EKFyJsHT39LDqgdcB43Y3YXjNyjb5Fuas1GQSeAtjnZWmZEQK"]
-        self.fast_dip3_enforcement = fast_dip3_enforcement
-        if fast_dip3_enforcement:
-            for i in range(0, num_nodes):
-                self.extra_args[i].append("-dip3params=30:50")
+        for i in range(0, num_nodes):
+            self.extra_args[i].append("-dip3params=2:2")
 
         # LLMQ default test params (no need to pass -llmqtestparams)
         self.llmq_size = 3
@@ -1482,12 +1480,6 @@ def setup_nodes(self):
             self.bump_mocktime(1)
             self.nodes[0].generate(10)
 
-        self.log.info("Activating DIP3")
-        if not self.fast_dip3_enforcement:
-            while self.nodes[0].getblockcount() < 500:
-                self.nodes[0].generate(10)
-        self.sync_all()
-
         # create masternodes
         self.prepare_masternodes()
         self.prepare_datadirs()