diff --git a/test/functional/interface_zmq.py b/test/functional/interface_zmq.py
--- a/test/functional/interface_zmq.py
+++ b/test/functional/interface_zmq.py
@@ -43,12 +43,6 @@
         self.skip_if_no_wallet()
 
     def setup_nodes(self):
-        # Import keys
-        self.add_nodes(self.num_nodes)
-        self.start_nodes()
-        super().import_deterministic_coinbase_privkeys()
-        self.stop_nodes()
-
         import zmq
 
         # Initialize ZMQ context and socket.
@@ -68,13 +62,14 @@
         self.rawblock = ZMQSubscriber(socket, b"rawblock")
         self.rawtx = ZMQSubscriber(socket, b"rawtx")
 
-        self.nodes[0].extra_args = ["-zmqpub{}={}".format(sub.topic.decode(), address) for sub in [
-            self.hashblock, self.hashtx, self.rawblock, self.rawtx]]
+        self.extra_args = [
+            ["-zmqpub{}={}".format(sub.topic.decode(), address) for sub in [
+                self.hashblock, self.hashtx, self.rawblock, self.rawtx]],
+            [],
+        ]
+        self.add_nodes(self.num_nodes, self.extra_args)
         self.start_nodes()
 
-    def import_deterministic_coinbase_privkeys(self):
-        pass
-
     def run_test(self):
         try:
             self._zmq_test()
diff --git a/test/functional/wallet_dump.py b/test/functional/wallet_dump.py
--- a/test/functional/wallet_dump.py
+++ b/test/functional/wallet_dump.py
@@ -30,7 +30,11 @@
                 # key = key_date_label[0]
                 date = key_date_label[1]
                 keytype = key_date_label[2]
-                if not len(comment) or date.startswith('1970'):
+
+                imported_key = date == '1970-01-01T00:00:01Z'
+                if imported_key:
+                    # Imported keys have multiple addresses, no label (keypath) and timestamp
+                    # Skip them
                     continue
 
                 addr_keypath = comment.split(" addr=")[1]
diff --git a/test/functional/wallet_import_rescan.py b/test/functional/wallet_import_rescan.py
--- a/test/functional/wallet_import_rescan.py
+++ b/test/functional/wallet_import_rescan.py
@@ -135,7 +135,7 @@
 
         self.add_nodes(self.num_nodes, extra_args=extra_args)
 
-        # Import keys
+        # Import keys with pruning disabled
         self.start_nodes(extra_args=[[]] * self.num_nodes)
         super().import_deterministic_coinbase_privkeys()
         self.stop_nodes()