diff --git a/test/functional/bip65-cltv-p2p.py b/test/functional/bip65-cltv-p2p.py
--- a/test/functional/bip65-cltv-p2p.py
+++ b/test/functional/bip65-cltv-p2p.py
@@ -13,10 +13,12 @@
 from test_framework.mininode import *
 from test_framework.blocktools import create_coinbase, create_block
 from test_framework.script import CScript, CScriptNum, OP_1NEGATE, OP_CHECKLOCKTIMEVERIFY, OP_DROP, OP_TRUE
-from test_framework.txtools import pad_tx
 
 CLTV_HEIGHT = 1351
 
+# far in the future
+MAGNETIC_ANOMALY_START_TIME = 2000000000
+
 # Reject codes that we might receive in this test
 REJECT_INVALID = 16
 REJECT_OBSOLETE = 17
@@ -47,7 +49,6 @@
     signed_result = node.signrawtransaction(ToHex(tx))
 
     new_tx = FromHex(CTransaction(), signed_result['hex'])
-    pad_tx(new_tx)
     new_tx.rehash()
 
     return new_tx
@@ -67,7 +68,7 @@
     def set_test_params(self):
         self.num_nodes = 1
         self.extra_args = [
-            ['-promiscuousmempoolflags=1', '-whitelist=127.0.0.1']]
+            ['-promiscuousmempoolflags=1', '-whitelist=127.0.0.1', '-magneticanomalyactivationtime=%d' % MAGNETIC_ANOMALY_START_TIME]]
         self.setup_clean_chain = True
 
     def run_test(self):
@@ -165,7 +166,6 @@
         assert(rejectedtx_signed['errors'][0]['error'] == 'Negative locktime')
 
         rejectedtx = FromHex(CTransaction(), rejectedtx_signed['hex'])
-        pad_tx(rejectedtx)
         rejectedtx.rehash()
 
         tip = block.sha256
@@ -227,7 +227,6 @@
         # Signrawtransaction won't sign a non standard tx.
         # But the prevout being anyoncanpay, scriptsig can be left empty
         validtx.vin[0].scriptSig = CScript()
-        pad_tx(validtx)
         validtx.rehash()
 
         tip = block.sha256