diff --git a/test/functional/abc-parkedchain.py b/test/functional/abc-parkedchain.py
--- a/test/functional/abc-parkedchain.py
+++ b/test/functional/abc-parkedchain.py
@@ -7,7 +7,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
     wait_until
 )
 
@@ -233,7 +233,7 @@
         # Restart the parking node without parkdeepreorg.
         self.restart_node(1, ["-parkdeepreorg=0"])
         parking_node = self.nodes[1]
-        connect_nodes_bi(node, parking_node)
+        connect_nodes(node, parking_node)
         # The other chain should still be marked 'parked'.
         wait_for_parked_block(node.getbestblockhash())
         # Three more blocks is not enough to unpark. Even though its PoW is
diff --git a/test/functional/feature_notifications.py b/test/functional/feature_notifications.py
--- a/test/functional/feature_notifications.py
+++ b/test/functional/feature_notifications.py
@@ -10,7 +10,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
     wait_until
 )
 
@@ -83,7 +83,7 @@
             self.log.info("test -walletnotify after rescan")
             # restart node to rescan to force wallet notifications
             self.restart_node(1)
-            connect_nodes_bi(self.nodes[0], self.nodes[1])
+            connect_nodes(self.nodes[0], self.nodes[1])
 
             wait_until(
                 lambda: len(
diff --git a/test/functional/mining_basic.py b/test/functional/mining_basic.py
--- a/test/functional/mining_basic.py
+++ b/test/functional/mining_basic.py
@@ -26,7 +26,7 @@
 from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
-    connect_nodes_bi,
+    connect_nodes,
 )
 
 
@@ -58,7 +58,7 @@
         assert_equal(mining_info['currentblocktx'], 0)
         assert_equal(mining_info['currentblocksize'], 1000)
         self.restart_node(0)
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
 
     def run_test(self):
         self.mine_chain()
diff --git a/test/functional/p2p_disconnect_ban.py b/test/functional/p2p_disconnect_ban.py
--- a/test/functional/p2p_disconnect_ban.py
+++ b/test/functional/p2p_disconnect_ban.py
@@ -10,7 +10,6 @@
     assert_equal,
     assert_raises_rpc_error,
     connect_nodes,
-    connect_nodes_bi,
     wait_until,
 )
 
@@ -119,7 +118,7 @@
 
         self.log.info("disconnectnode: successfully reconnect node")
         # reconnect the node
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         assert_equal(len(self.nodes[0].getpeerinfo()), 2)
         assert [node for node in self.nodes[0]
                 .getpeerinfo() if node['addr'] == address1]
diff --git a/test/functional/p2p_node_network_limited.py b/test/functional/p2p_node_network_limited.py
--- a/test/functional/p2p_node_network_limited.py
+++ b/test/functional/p2p_node_network_limited.py
@@ -23,7 +23,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
     disconnect_nodes,
     wait_until,
 )
@@ -81,7 +81,7 @@
 
         self.log.info(
             "Mine enough blocks to reach the NODE_NETWORK_LIMITED range.")
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         blocks = self.nodes[1].generatetoaddress(
             292, self.nodes[1].get_deterministic_priv_key().address)
         self.sync_blocks([self.nodes[0], self.nodes[1]])
@@ -112,7 +112,7 @@
         # connect unsynced node 2 with pruned NODE_NETWORK_LIMITED peer
         # because node 2 is in IBD and node 0 is a NODE_NETWORK_LIMITED peer,
         # sync must not be possible
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
         try:
             self.sync_blocks([self.nodes[0], self.nodes[2]], timeout=5)
         except Exception:
@@ -122,7 +122,7 @@
             self.nodes[2].getbestblockhash())['height'], 0)
 
         # now connect also to node 1 (non pruned)
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[1], self.nodes[2])
 
         # sync must be possible
         self.sync_blocks()
@@ -136,7 +136,7 @@
 
         # connect node1 (non pruned) with node0 (pruned) and check if the can
         # sync
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
 
         # sync must be possible, node 1 is no longer in IBD and should
         # therefore connect to node 0 (NODE_NETWORK_LIMITED)
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
@@ -13,7 +13,7 @@
     assert_greater_than,
     assert_greater_than_or_equal,
     assert_raises_rpc_error,
-    connect_nodes_bi,
+    connect_nodes,
     find_vout_for_address,
 )
 
@@ -38,10 +38,10 @@
     def setup_network(self):
         self.setup_nodes()
 
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[3])
+        connect_nodes(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[3])
 
     def run_test(self):
         min_relay_tx_fee = self.nodes[0].getnetworkinfo()['relayfee']
@@ -496,10 +496,10 @@
         for node in self.nodes:
             node.settxfee(min_relay_tx_fee)
 
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[3])
+        connect_nodes(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[3])
         # Again lock the watchonly UTXO or nodes[0] may spend it, because
         # lockunspent is memory-only and thus lost on restart
         self.nodes[0].lockunspent(
diff --git a/test/functional/rpc_invalidateblock.py b/test/functional/rpc_invalidateblock.py
--- a/test/functional/rpc_invalidateblock.py
+++ b/test/functional/rpc_invalidateblock.py
@@ -9,7 +9,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
 )
 
 
@@ -37,7 +37,7 @@
         assert self.nodes[1].getblockcount() == 6
 
         self.log.info("Connect nodes to force a reorg")
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         self.sync_blocks(self.nodes[0:2])
         assert self.nodes[0].getblockcount() == 6
         badhash = self.nodes[1].getblockhash(2)
@@ -52,7 +52,7 @@
                 "Wrong tip for node0, hash {}, height {}".format(newhash, newheight))
 
         self.log.info("\nMake sure we won't reorg to a lower work chain:")
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[1], self.nodes[2])
         self.log.info("Sync node 2 to node 1 so both have 6 blocks")
         self.sync_blocks(self.nodes[1:3])
         assert self.nodes[2].getblockcount() == 6
diff --git a/test/functional/rpc_net.py b/test/functional/rpc_net.py
--- a/test/functional/rpc_net.py
+++ b/test/functional/rpc_net.py
@@ -43,7 +43,7 @@
         self._test_getnodeaddresses()
 
     def _test_connection_count(self):
-        # connect_nodes_bi connects each node to the other
+        # connect_nodes connects each node to the other
         assert_equal(self.nodes[0].getconnectioncount(), 2)
 
     def _test_getnettotals(self):
diff --git a/test/functional/rpc_preciousblock.py b/test/functional/rpc_preciousblock.py
--- a/test/functional/rpc_preciousblock.py
+++ b/test/functional/rpc_preciousblock.py
@@ -7,7 +7,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
 )
 
 
@@ -71,7 +71,7 @@
         # Submit competing blocks via RPC so any reorg should occur before we
         # proceed (no way to wait on inaction for p2p sync)
         node_sync_via_rpc(self.nodes[0:2])
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         assert_equal(self.nodes[0].getbestblockhash(), hashC)
         assert_equal(self.nodes[1].getbestblockhash(), hashG)
         self.log.info("Make Node0 prefer block G")
@@ -110,8 +110,8 @@
         hashL = self.nodes[2].getbestblockhash()
         self.log.info("Connect nodes and check no reorg occurs")
         node_sync_via_rpc(self.nodes[1:3])
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
         assert_equal(self.nodes[0].getbestblockhash(), hashH)
         assert_equal(self.nodes[1].getbestblockhash(), hashH)
         assert_equal(self.nodes[2].getbestblockhash(), hashL)
diff --git a/test/functional/rpc_rawtransaction.py b/test/functional/rpc_rawtransaction.py
--- a/test/functional/rpc_rawtransaction.py
+++ b/test/functional/rpc_rawtransaction.py
@@ -30,7 +30,7 @@
     assert_equal,
     assert_greater_than,
     assert_raises_rpc_error,
-    connect_nodes_bi,
+    connect_nodes,
     hex_str_to_bytes,
 )
 
@@ -63,7 +63,7 @@
 
     def setup_network(self):
         super().setup_network()
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
 
     def run_test(self):
         self.log.info(
diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -23,7 +23,6 @@
     assert_equal,
     check_json_precision,
     connect_nodes,
-    connect_nodes_bi,
     disconnect_nodes,
     get_datadir_path,
     initialize_datadir,
@@ -427,7 +426,7 @@
         """
         Join the (previously split) network halves together.
         """
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[1], self.nodes[2])
         self.sync_all()
 
     def sync_blocks(self, nodes=None, **kwargs):
diff --git a/test/functional/wallet_address_types.py b/test/functional/wallet_address_types.py
--- a/test/functional/wallet_address_types.py
+++ b/test/functional/wallet_address_types.py
@@ -39,7 +39,7 @@
 from test_framework.util import (
     assert_equal,
     assert_greater_than,
-    connect_nodes_bi,
+    connect_nodes,
 )
 
 
@@ -58,7 +58,7 @@
         # Fully mesh-connect nodes for faster mempool sync
         for i, j in itertools.product(range(self.num_nodes), repeat=2):
             if i > j:
-                connect_nodes_bi(self.nodes[i], self.nodes[j])
+                connect_nodes(self.nodes[i], self.nodes[j])
         self.sync_all()
 
     def get_balances(self, confirmed=True):
diff --git a/test/functional/wallet_balance.py b/test/functional/wallet_balance.py
--- a/test/functional/wallet_balance.py
+++ b/test/functional/wallet_balance.py
@@ -11,7 +11,7 @@
 from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
-    connect_nodes_bi,
+    connect_nodes,
     sync_blocks,
 )
 
@@ -258,7 +258,7 @@
 
         # Now confirm tx_orig
         self.restart_node(1, ['-persistmempool=0'])
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         sync_blocks(self.nodes)
         self.nodes[1].sendrawtransaction(tx_orig)
         self.nodes[1].generatetoaddress(1, ADDRESS_WATCHONLY)
diff --git a/test/functional/wallet_basic.py b/test/functional/wallet_basic.py
--- a/test/functional/wallet_basic.py
+++ b/test/functional/wallet_basic.py
@@ -13,7 +13,7 @@
     assert_equal,
     assert_fee_amount,
     assert_raises_rpc_error,
-    connect_nodes_bi,
+    connect_nodes,
     count_bytes,
     wait_until,
 )
@@ -34,9 +34,9 @@
         self.setup_nodes()
         # Only need nodes 0-2 running at start of test
         self.stop_node(3)
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
         self.sync_all(self.nodes[0:3])
 
     def check_fee_amount(self, curr_balance,
@@ -240,7 +240,7 @@
         ), node_0_bal + Decimal('10'), fee_per_byte, ctx.billable_size())
 
         self.start_node(3, self.extra_args[3])
-        connect_nodes_bi(self.nodes[0], self.nodes[3])
+        connect_nodes(self.nodes[0], self.nodes[3])
         self.sync_all()
 
         # check if we can list zero value tx as available coins
@@ -280,9 +280,9 @@
         self.start_node(0, self.extra_args[0] + ["-walletbroadcast=0"])
         self.start_node(1, self.extra_args[1] + ["-walletbroadcast=0"])
         self.start_node(2, self.extra_args[2] + ["-walletbroadcast=0"])
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
         self.sync_all(self.nodes[0:3])
 
         txIdNotBroadcasted = self.nodes[0].sendtoaddress(
@@ -311,9 +311,9 @@
         self.start_node(0, self.extra_args[0])
         self.start_node(1, self.extra_args[1])
         self.start_node(2, self.extra_args[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
-        connect_nodes_bi(self.nodes[1], self.nodes[2])
-        connect_nodes_bi(self.nodes[0], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[1], self.nodes[2])
+        connect_nodes(self.nodes[0], self.nodes[2])
         self.sync_blocks(self.nodes[0:3])
 
         self.nodes[0].generate(1)
diff --git a/test/functional/wallet_hd.py b/test/functional/wallet_hd.py
--- a/test/functional/wallet_hd.py
+++ b/test/functional/wallet_hd.py
@@ -10,7 +10,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
     assert_raises_rpc_error
 )
 
@@ -88,7 +88,7 @@
             assert_equal(hd_info_2["hdkeypath"], "m/0'/0'/" + str(i) + "'")
             assert_equal(hd_info_2["hdseedid"], masterkeyid)
         assert_equal(hd_add, hd_add_2)
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         self.sync_all()
 
         # Needs rescan
@@ -104,7 +104,7 @@
         shutil.copyfile(os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(
             self.nodes[1].datadir, "regtest", "wallets", "wallet.dat"))
         self.start_node(1, extra_args=self.extra_args[1])
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         self.sync_all()
         # Wallet automatically scans blocks older than key on startup
         assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
diff --git a/test/functional/wallet_keypool_topup.py b/test/functional/wallet_keypool_topup.py
--- a/test/functional/wallet_keypool_topup.py
+++ b/test/functional/wallet_keypool_topup.py
@@ -16,7 +16,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
 )
 
 
@@ -39,7 +39,7 @@
         self.stop_node(1)
         shutil.copyfile(wallet_path, wallet_backup_path)
         self.start_node(1, self.extra_args[1])
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
 
         self.log.info("Generate keys for wallet")
         for _ in range(90):
@@ -58,7 +58,7 @@
         self.stop_node(1)
         shutil.copyfile(wallet_backup_path, wallet_path)
         self.start_node(1, self.extra_args[1])
-        connect_nodes_bi(self.nodes[0], self.nodes[1])
+        connect_nodes(self.nodes[0], self.nodes[1])
         self.sync_all()
 
         self.log.info("Verify keypool is restored and balance is correct")