diff --git a/test/functional/abc-miner-fund.py b/test/functional/abc-miner-fund.py
--- a/test/functional/abc-miner-fund.py
+++ b/test/functional/abc-miner-fund.py
@@ -32,8 +32,7 @@
     def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 1
-        self.extra_args = [
-            ['-enableminerfund', "-phononactivationtime={}".format(PHONON_ACTIVATION_TIME)]]
+        self.extra_args = [['-enableminerfund']]
 
     def check_bip9_state(self, name, status):
         miner_fund_info = self.nodes[0].getblockchaininfo()['softforks'][name]
@@ -110,8 +109,8 @@
         version = VERSION_BASE | (1 << bit)
 
         self.stop_node(0)
-        self.start_node(0,
-                        ['-enableminerfund', "-blockversion={}".format(version), "-phononactivationtime={}".format(PHONON_ACTIVATION_TIME)])
+        self.start_node(
+            0, ['-enableminerfund', "-blockversion={}".format(version)])
 
         node = self.nodes[0]
         node.setmocktime(1580000000)
diff --git a/test/functional/mempool_packages.py b/test/functional/mempool_packages.py
--- a/test/functional/mempool_packages.py
+++ b/test/functional/mempool_packages.py
@@ -14,15 +14,6 @@
     satoshi_round,
 )
 
-# TODO: The activation code can be reverted after the new policy becomes
-# active.
-
-# Phonon dummy activation time
-ACTIVATION_TIME = 2000000000
-
-# Replay protection time needs to be moved beyond phonon activation
-REPLAY_PROTECTION_TIME = ACTIVATION_TIME * 2
-
 MAX_ANCESTORS = 50
 MAX_DESCENDANTS = 50
 
@@ -30,11 +21,7 @@
 class MempoolPackagesTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 2
-
-        common_params = ["-maxorphantx=1000",
-                         "-phononactivationtime={}".format(ACTIVATION_TIME),
-                         "-replayprotectionactivationtime={}".format(REPLAY_PROTECTION_TIME)]
-
+        common_params = ["-maxorphantx=1000"]
         self.extra_args = [common_params,
                            common_params + ["-limitancestorcount=5"]]
 
@@ -59,8 +46,6 @@
         return (txid, send_value)
 
     def run_test(self):
-        [n.setmocktime(ACTIVATION_TIME) for n in self.nodes]
-
         # Mine some blocks and have them mature.
         self.nodes[0].generate(101)
         utxo = self.nodes[0].listunspent(10)