diff --git a/src/npc_sessions/sessions.py b/src/npc_sessions/sessions.py
index b45c18c..78c01b0 100644
--- a/src/npc_sessions/sessions.py
+++ b/src/npc_sessions/sessions.py
@@ -334,7 +334,6 @@ def nwb(self) -> pynwb.NWBFile:
             subject=self.subject,
             keywords=self.keywords,
             epochs=self.epochs,
-            epoch_tags=self.epoch_tags,
             stimulus_template=None,  # TODO pass tuple of stimulus templates
             invalid_times=self.invalid_times,
             trials=(
@@ -407,7 +406,6 @@ def metadata(self) -> pynwb.NWBFile:
             stimulus_notes=self.task_version if self.is_task else None,
             subject=self.subject,
             keywords=self.keywords,
-            epoch_tags=self.epoch_tags,
             invalid_times=self.invalid_times,
         )