diff --git a/test/functional/rpc_fundrawtransaction.py b/test/functional/rpc_fundrawtransaction.py
--- a/test/functional/rpc_fundrawtransaction.py
+++ b/test/functional/rpc_fundrawtransaction.py
@@ -5,7 +5,7 @@
 
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import *
-from test_framework.mininode import CTransaction, FromHex, COIN
+from test_framework.mininode import CTransaction, FromHex
 
 
 def get_unspent(listunspent, amount):
diff --git a/test/functional/rpc_listtransactions.py b/test/functional/rpc_listtransactions.py
--- a/test/functional/rpc_listtransactions.py
+++ b/test/functional/rpc_listtransactions.py
@@ -7,7 +7,7 @@
 
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import *
-from test_framework.mininode import CTransaction, COIN
+from test_framework.mininode import CTransaction
 from io import BytesIO
 
 
diff --git a/test/functional/rpc_named_arguments.py b/test/functional/rpc_named_arguments.py
--- a/test/functional/rpc_named_arguments.py
+++ b/test/functional/rpc_named_arguments.py
@@ -3,16 +3,8 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-from decimal import Decimal
-
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.authproxy import JSONRPCException
-from test_framework.util import (
-    assert_equal,
-    assert_raises_rpc_error,
-    assert_is_hex_string,
-    assert_is_hash_string,
-)
+from test_framework.util import assert_equal, assert_raises_rpc_error
 
 
 class NamedArgumentTest(BitcoinTestFramework):
diff --git a/test/functional/rpc_signmessage.py b/test/functional/rpc_signmessage.py
--- a/test/functional/rpc_signmessage.py
+++ b/test/functional/rpc_signmessage.py
@@ -4,7 +4,6 @@
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import *
 
 
 class SignMessagesTest(BitcoinTestFramework):