diff --git a/parsl/monitoring/monitoring.py b/parsl/monitoring/monitoring.py
index 8a895ee447..6f9d4cccbc 100644
--- a/parsl/monitoring/monitoring.py
+++ b/parsl/monitoring/monitoring.py
@@ -3,6 +3,7 @@
 import logging
 import multiprocessing.synchronize as ms
 import os
+import pickle
 import queue
 import time
 from multiprocessing import Event
@@ -18,7 +19,6 @@
 from parsl.monitoring.types import TaggedMonitoringMessage
 from parsl.multiprocessing import ForkProcess, SizedQueue
 from parsl.process_loggers import wrap_with_logs
-from parsl.serialize import deserialize
 from parsl.utils import RepresentationMixin, setproctitle
 
 _db_manager_excepts: Optional[Exception]
@@ -278,7 +278,7 @@ def filesystem_receiver(q: Queue[TaggedMonitoringMessage], run_dir: str) -> None
                 logger.info(f"Processing filesystem radio file {filename}")
                 full_path_filename = f"{new_dir}/{filename}"
                 with open(full_path_filename, "rb") as f:
-                    message = deserialize(f.read())
+                    message = pickle.load(f)
                 logger.debug(f"Message received is: {message}")
                 assert isinstance(message, tuple)
                 target_radio.send(cast(TaggedMonitoringMessage, message))
diff --git a/parsl/monitoring/radios.py b/parsl/monitoring/radios.py
index 5b8de46919..14dc046557 100644
--- a/parsl/monitoring/radios.py
+++ b/parsl/monitoring/radios.py
@@ -8,8 +8,6 @@
 
 import zmq
 
-from parsl.serialize import serialize
-
 logger = logging.getLogger(__name__)
 
 
@@ -59,7 +57,7 @@ def send(self, message: object) -> None:
         # move it into new/, so that a partially written
         # file will never be observed in new/
         with open(tmp_filename, "wb") as f:
-            f.write(serialize(buffer))
+            pickle.dump(buffer, f)
         os.rename(tmp_filename, new_filename)