diff --git a/test/functional/abc-p2p-compactblocks.py b/test/functional/abc-p2p-compactblocks.py
--- a/test/functional/abc-p2p-compactblocks.py
+++ b/test/functional/abc-p2p-compactblocks.py
@@ -273,7 +273,7 @@
         # Check that compact block also work for big blocks
         node = self.nodes[0]
         peer = TestNode()
-        peer.add_connection(NodeConn('127.0.0.1', p2p_port(0), node, peer))
+        peer.add_connection(NodeConn('127.0.0.1', p2p_port(0), peer))
 
         # Wait for connection to be etablished
         peer.wait_for_verack()
diff --git a/test/functional/abc-sync-chain.py b/test/functional/abc-sync-chain.py
--- a/test/functional/abc-sync-chain.py
+++ b/test/functional/abc-sync-chain.py
@@ -45,7 +45,7 @@
     def run_test(self):
         node0conn = BaseNode()
         node0conn.add_connection(
-            NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], node0conn))
+            NodeConn('127.0.0.1', p2p_port(0), node0conn))
 
         NetworkThread().start()
         node0conn.wait_for_verack()
diff --git a/test/functional/test_framework/comptool.py b/test/functional/test_framework/comptool.py
--- a/test/functional/test_framework/comptool.py
+++ b/test/functional/test_framework/comptool.py
@@ -191,7 +191,7 @@
             test_node = TestNode(self.block_store, self.tx_store)
             self.test_nodes.append(test_node)
             self.connections.append(
-                NodeConn('127.0.0.1', p2p_port(i), nodes[i], test_node))
+                NodeConn('127.0.0.1', p2p_port(i), test_node))
             # Make sure the TestNode (callback class) has a reference to its
             # associated NodeConn
             test_node.add_connection(self.connections[-1])
diff --git a/test/functional/test_framework/mininode.py b/test/functional/test_framework/mininode.py
--- a/test/functional/test_framework/mininode.py
+++ b/test/functional/test_framework/mininode.py
@@ -151,7 +151,6 @@
         conn.send_message(msg_pong(message.nonce))
 
     def on_verack(self, conn, message):
-        conn.ver_recv = conn.ver_send
         self.verack_received = True
 
     def on_version(self, conn, message):
@@ -228,7 +227,7 @@
 
     This class provides an interface for a p2p connection to a specified node."""
 
-    def __init__(self, dstaddr, dstport, rpc, callback, net="regtest", services=NODE_NETWORK, send_version=True):
+    def __init__(self, dstaddr, dstport, callback, net="regtest", services=NODE_NETWORK, send_version=True):
         asyncore.dispatcher.__init__(self, map=mininode_socket_map)
         self.dstaddr = dstaddr
         self.dstport = dstport
@@ -236,8 +235,6 @@
         self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
         self.sendbuf = b""
         self.recvbuf = b""
-        self.ver_send = 209
-        self.ver_recv = 209
         self.last_sent = 0
         self.state = "connecting"
         self.network = net
@@ -262,7 +259,6 @@
             self.connect((dstaddr, dstport))
         except:
             self.handle_close()
-        self.rpc = rpc
 
     # Connection and disconnection methods
 
diff --git a/test/functional/test_framework/test_node.py b/test/functional/test_framework/test_node.py
--- a/test/functional/test_framework/test_node.py
+++ b/test/functional/test_framework/test_node.py
@@ -198,7 +198,7 @@
         if 'dstaddr' not in kwargs:
             kwargs['dstaddr'] = '127.0.0.1'
         self.p2ps.append(p2p_conn)
-        kwargs.update({'rpc': self.rpc, 'callback': p2p_conn})
+        kwargs.update({'callback': p2p_conn})
         p2p_conn.add_connection(NodeConn(**kwargs))
 
         return p2p_conn