diff --git a/.arclint b/.arclint
--- a/.arclint
+++ b/.arclint
@@ -36,7 +36,7 @@
                 "(^contrib/apple-sdk-tools/)"
             ],
             "flags": [
-                "--ignore=A001,A003,E303,E305,E501,E704,W503,W504",
+                "--ignore=A003,E303,E305,E501,E704,W503,W504",
                 "--require-plugins=flake8-comprehensions,flake8-builtins"
             ]
         },
diff --git a/test/functional/abc_rpc_isfinal.py b/test/functional/abc_rpc_isfinal.py
--- a/test/functional/abc_rpc_isfinal.py
+++ b/test/functional/abc_rpc_isfinal.py
@@ -77,10 +77,10 @@
         self.log.info("Check block ancestors are finalized as well")
         tip_height = node.getblockheader(blockhash)['height']
         for height in range(0, tip_height):
-            hash = node.getblockhash(height)
-            assert node.isfinalblock(hash)
-            txid = node.getblock(hash)['tx'][0]
-            assert node.isfinaltransaction(txid, hash)
+            blockhash = node.getblockhash(height)
+            assert node.isfinalblock(blockhash)
+            txid = node.getblock(blockhash)['tx'][0]
+            assert node.isfinaltransaction(txid, blockhash)
 
         if self.is_wallet_compiled():
             self.log.info("Check mempool transactions are not finalized")
diff --git a/test/functional/p2p_add_connections.py b/test/functional/p2p_add_connections.py
--- a/test/functional/p2p_add_connections.py
+++ b/test/functional/p2p_add_connections.py
@@ -203,12 +203,12 @@
             f"Randomly insert outbounds of various types {iterations} times")
 
         for _ in range(iterations):
-            type = random.choice(list(remaining_outbounds))
-            if remaining_outbounds[type] <= 0:
+            conn_type = random.choice(list(remaining_outbounds))
+            if remaining_outbounds[conn_type] <= 0:
                 continue
 
-            self.add_outbounds(self.nodes[0], 1, type)
-            remaining_outbounds[type] -= 1
+            self.add_outbounds(self.nodes[0], 1, conn_type)
+            remaining_outbounds[conn_type] -= 1
 
         check_node_connections(
             node=self.nodes[0],
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
@@ -202,13 +202,13 @@
                                                {address: 99}, {address2: 99}, {'data': '99'}]),
         )
 
-        for type in ["legacy"]:
-            addr = self.nodes[0].getnewaddress("", type)
+        for addr_type in ["legacy"]:
+            addr = self.nodes[0].getnewaddress("", addr_type)
             addrinfo = self.nodes[0].getaddressinfo(addr)
             pubkey = addrinfo["scriptPubKey"]
 
             self.log.info(
-                f'sendrawtransaction with missing prevtx info ({type})')
+                f'sendrawtransaction with missing prevtx info ({addr_type})')
 
             # Test `signrawtransactionwithwallet` invalid `prevtxs`
             inputs = [{'txid': txid, 'vout': 3, 'sequence': 1000}]
diff --git a/test/functional/wallet_coinbase_category.py b/test/functional/wallet_coinbase_category.py
--- a/test/functional/wallet_coinbase_category.py
+++ b/test/functional/wallet_coinbase_category.py
@@ -33,8 +33,8 @@
         # Generate one block to an address
         address = self.nodes[0].getnewaddress()
         self.generatetoaddress(self.nodes[0], 1, address)
-        hash = self.nodes[0].getbestblockhash()
-        txid = self.nodes[0].getblock(hash)["tx"][0]
+        blockhash = self.nodes[0].getbestblockhash()
+        txid = self.nodes[0].getblock(blockhash)["tx"][0]
 
         # Coinbase transaction is immature after 1 confirmation
         self.assert_category("immature", address, txid, 0)
@@ -50,7 +50,7 @@
         self.assert_category("generate", address, txid, 100)
 
         # Orphan block that paid to address
-        self.nodes[0].invalidateblock(hash)
+        self.nodes[0].invalidateblock(blockhash)
         # Coinbase transaction is now orphaned
         self.assert_category("orphan", address, txid, 100)
 
diff --git a/test/functional/wallet_send.py b/test/functional/wallet_send.py
--- a/test/functional/wallet_send.py
+++ b/test/functional/wallet_send.py
@@ -372,18 +372,18 @@
         txid = res["txid"]
         # Although the wallet finishes the transaction, it can't be added to
         # the mempool yet:
-        hex = self.nodes[0].gettransaction(res["txid"])["hex"]
-        res = self.nodes[0].testmempoolaccept([hex])
+        tx_hex = self.nodes[0].gettransaction(res["txid"])["hex"]
+        res = self.nodes[0].testmempoolaccept([tx_hex])
         assert not res[0]["allowed"]
         assert_equal(res[0]["reject-reason"], "bad-txns-nonfinal")
         # It shouldn't be confirmed in the next block
         self.generate(self.nodes[0], 1)
         assert_equal(self.nodes[0].gettransaction(txid)["confirmations"], 0)
         # The mempool should allow it now:
-        res = self.nodes[0].testmempoolaccept([hex])
+        res = self.nodes[0].testmempoolaccept([tx_hex])
         assert res[0]["allowed"]
         # Don't wait for wallet to add it to the mempool:
-        res = self.nodes[0].sendrawtransaction(hex)
+        res = self.nodes[0].sendrawtransaction(tx_hex)
         self.generate(self.nodes[0], 1)
         assert_equal(self.nodes[0].gettransaction(txid)["confirmations"], 1)