diff --git a/test/functional/feature_assumevalid.py b/test/functional/feature_assumevalid.py
index 7a1fe13c0de..426c79d9433 100755
--- a/test/functional/feature_assumevalid.py
+++ b/test/functional/feature_assumevalid.py
@@ -91,7 +91,7 @@ class AssumeValidTest(BitcoinTestFramework):
 
         # Create the first block with a coinbase output to our key
         height = 1
-        block = create_block(self.tip, create_coinbase(height, coinbase_pubkey), self.block_time)
+        block = create_block(self.tip, create_coinbase(height, coinbase_pubkey), ntime=self.block_time)
         self.blocks.append(block)
         self.block_time += 1
         block.solve()
diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py
index 6803bb3345f..5600eeec864 100755
--- a/test/functional/feature_block.py
+++ b/test/functional/feature_block.py
@@ -1374,12 +1374,12 @@ class FullBlockTest(BitcoinTestFramework):
         for additional_script in additional_output_scripts:
             coinbase.vout.append(CTxOut(0, additional_script))
         if spend is None:
-            block = create_block(base_block_hash, coinbase, block_time, version=version)
+            block = create_block(base_block_hash, coinbase, ntime=block_time, version=version)
         else:
             coinbase.vout[0].nValue += spend.vout[0].nValue - 1  # all but one satoshi to fees
             tx = self.create_tx(spend, 0, 1, output_script=script)  # spend 1 satoshi
             self.sign_tx(tx, spend)
-            block = create_block(base_block_hash, coinbase, block_time, version=version, txlist=[tx])
+            block = create_block(base_block_hash, coinbase, ntime=block_time, version=version, txlist=[tx])
         # Block is created. Find a valid nonce.
         block.solve()
         self.tip = block
diff --git a/test/functional/feature_coinstatsindex.py b/test/functional/feature_coinstatsindex.py
index 05efb52512a..729c4db8337 100755
--- a/test/functional/feature_coinstatsindex.py
+++ b/test/functional/feature_coinstatsindex.py
@@ -194,7 +194,7 @@ class CoinStatsIndexTest(BitcoinTestFramework):
         # Generate a block that includes previous coinbase
         tip = self.nodes[0].getbestblockhash()
         block_time = self.nodes[0].getblock(tip)['time'] + 1
-        block = create_block(int(tip, 16), cb, block_time)
+        block = create_block(int(tip, 16), cb, ntime=block_time)
         block.solve()
         self.nodes[0].submitblock(block.serialize().hex())
         self.sync_all()
diff --git a/test/functional/feature_taproot.py b/test/functional/feature_taproot.py
index b2d1d0f57b0..eb3bb86ec3d 100755
--- a/test/functional/feature_taproot.py
+++ b/test/functional/feature_taproot.py
@@ -1425,7 +1425,7 @@ class TaprootTest(BitcoinTestFramework):
         extra_output_script = CScript(bytes([OP_CHECKSIG]*((MAX_BLOCK_SIGOPS_WEIGHT - sigops_weight) // WITNESS_SCALE_FACTOR)))
 
         coinbase_tx = create_coinbase(self.lastblockheight + 1, pubkey=cb_pubkey, extra_output_script=extra_output_script, fees=fees)
-        block = create_block(self.tip, coinbase_tx, self.lastblocktime + 1, txlist=txs)
+        block = create_block(self.tip, coinbase_tx, ntime=self.lastblocktime + 1, txlist=txs)
         witness and add_witness_commitment(block)
         block.solve()
         block_response = node.submitblock(block.serialize().hex())
diff --git a/test/functional/mining_template_verification.py b/test/functional/mining_template_verification.py
index 2087aff4722..a30fd960128 100755
--- a/test/functional/mining_template_verification.py
+++ b/test/functional/mining_template_verification.py
@@ -13,7 +13,6 @@ import copy
 
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
     add_witness_commitment,
 )
 
@@ -183,8 +182,8 @@ class MiningTemplateVerificationTest(BitcoinTestFramework):
 
         block_3 = create_block(
             int(block_2_hash, 16),
-            create_coinbase(block_0_height + 3),
-            block_1["mediantime"] + 1,
+            height=block_0_height + 3,
+            ntime=block_1["mediantime"] + 1,
             txlist=[tx["hex"]],
         )
         assert_equal(len(block_3.vtx), 2)
@@ -211,8 +210,8 @@ class MiningTemplateVerificationTest(BitcoinTestFramework):
         )
         block_3 = create_block(
             int(block_2_hash, 16),
-            create_coinbase(block_0_height + 3),
-            block_1["mediantime"] + 1,
+            height=block_0_height + 3,
+            ntime=block_1["mediantime"] + 1,
             txlist=[bad_tx_hex],
         )
         assert_equal(len(block_3.vtx), 2)
@@ -239,8 +238,8 @@ class MiningTemplateVerificationTest(BitcoinTestFramework):
         )
         block_3 = create_block(
             int(block_2_hash, 16),
-            create_coinbase(block_0_height + 3),
-            block_1["mediantime"] + 1,
+            height=block_0_height + 3,
+            ntime=block_1["mediantime"] + 1,
             txlist=[tx_hex, tx_2_hex],
         )
         assert_equal(len(block_3.vtx), 3)
@@ -269,8 +268,8 @@ class MiningTemplateVerificationTest(BitcoinTestFramework):
         block_1 = node.getblock(node.getbestblockhash())
         block_2 = create_block(
             int(block_1["hash"], 16),
-            create_coinbase(block_0_height + 2),
-            block_1["mediantime"] + 1,
+            height=block_0_height + 2,
+            ntime=block_1["mediantime"] + 1,
         )
 
         self.valid_block_test(node, block_2)
diff --git a/test/functional/p2p_fingerprint.py b/test/functional/p2p_fingerprint.py
index 0d97a161b73..d847c7328ca 100755
--- a/test/functional/p2p_fingerprint.py
+++ b/test/functional/p2p_fingerprint.py
@@ -10,7 +10,7 @@ the node should pretend that it does not have it to avoid fingerprinting.
 
 import time
 
-from test_framework.blocktools import (create_block, create_coinbase)
+from test_framework.blocktools import create_block
 from test_framework.messages import CInv, MSG_BLOCK
 from test_framework.p2p import (
     P2PInterface,
@@ -35,15 +35,13 @@ class P2PFingerprintTest(BitcoinTestFramework):
     def build_chain(self, nblocks, prev_hash, prev_height, prev_median_time):
         blocks = []
         for _ in range(nblocks):
-            coinbase = create_coinbase(prev_height + 1)
-            block_time = prev_median_time + 1
-            block = create_block(int(prev_hash, 16), coinbase, block_time)
+            block = create_block(int(prev_hash, 16), height=prev_height + 1, ntime=prev_median_time + 1)
             block.solve()
 
             blocks.append(block)
             prev_hash = block.hash_hex
             prev_height += 1
-            prev_median_time = block_time
+            prev_median_time += 1
         return blocks
 
     # Send a getdata request for a given block hash
diff --git a/test/functional/p2p_invalid_block.py b/test/functional/p2p_invalid_block.py
index 86568f70654..2e712a43520 100755
--- a/test/functional/p2p_invalid_block.py
+++ b/test/functional/p2p_invalid_block.py
@@ -99,7 +99,7 @@ class InvalidBlockRequestTest(BitcoinTestFramework):
 
         self.log.info("Test very broken block.")
 
-        block3 = create_block(tip, create_coinbase(height, nValue=100), block_time)
+        block3 = create_block(tip, create_coinbase(height, nValue=100), ntime=block_time)
         block_time += 1
         block3.solve()
 
diff --git a/test/functional/rpc_blockchain.py b/test/functional/rpc_blockchain.py
index 9ae0074580b..bf7c7d117aa 100755
--- a/test/functional/rpc_blockchain.py
+++ b/test/functional/rpc_blockchain.py
@@ -741,7 +741,7 @@ class BlockchainTest(BitcoinTestFramework):
         self.log.info("Test getblock when only header is known")
         current_height = node.getblock(node.getbestblockhash())['height']
         block_time = node.getblock(node.getbestblockhash())['time'] + 1
-        block = create_block(int(blockhash, 16), create_coinbase(current_height + 1, nValue=100), block_time)
+        block = create_block(int(blockhash, 16), create_coinbase(current_height + 1, nValue=100), ntime=block_time)
         block.solve()
         node.submitheader(block.serialize().hex())
         assert_raises_rpc_error(-1, "Block not available (not fully downloaded)", lambda: node.getblock(block.hash_hex))
@@ -749,7 +749,7 @@ class BlockchainTest(BitcoinTestFramework):
         self.log.info("Test getblock when block data is available but undo data isn't")
         # Submits a block building on the header-only block, so it can't be connected and has no undo data
         tx = create_tx_with_script(block.vtx[0], 0, script_sig=bytes([OP_TRUE]), amount=50 * COIN)
-        block_noundo = create_block(block.hash_int, create_coinbase(current_height + 2, nValue=100), block_time + 1, txlist=[tx])
+        block_noundo = create_block(block.hash_int, create_coinbase(current_height + 2, nValue=100), ntime=block_time + 1, txlist=[tx])
         block_noundo.solve()
         node.submitblock(block_noundo.serialize().hex())
 
diff --git a/test/functional/rpc_getchaintips.py b/test/functional/rpc_getchaintips.py
index cdaacda3c7c..f2e31fe11b9 100755
--- a/test/functional/rpc_getchaintips.py
+++ b/test/functional/rpc_getchaintips.py
@@ -69,7 +69,7 @@ class GetChainTipsTest (BitcoinTestFramework):
         start_height = self.nodes[0].getblockcount()
         # Create invalid block (too high coinbase)
         block_time = n0.getblock(n0.getbestblockhash())['time'] + 1
-        invalid_block = create_block(tip, create_coinbase(start_height+1, nValue=100), block_time)
+        invalid_block = create_block(tip, create_coinbase(start_height + 1, nValue=100), ntime=block_time)
         invalid_block.solve()
 
         block_time += 1
diff --git a/test/functional/test_framework/blocktools.py b/test/functional/test_framework/blocktools.py
index 00e599d9c8f..0a393d89024 100644
--- a/test/functional/test_framework/blocktools.py
+++ b/test/functional/test_framework/blocktools.py
@@ -95,7 +95,7 @@ def nbits_str(nbits):
 def target_str(target):
     return f"{target:064x}"
 
-def create_block(hashprev=None, coinbase=None, ntime=None, *, height=None, version=None, tmpl=None, txlist=None):
+def create_block(hashprev=None, coinbase=None, *, ntime=None, height=None, version=None, tmpl=None, txlist=None):
     """Create a block (with regtest difficulty)."""
     block = CBlock()
     if tmpl is None: