diff --git a/ds000246/participants.tsv b/ds000246/participants.tsv
index 8a6215513..42e02d5a4 100644
--- a/ds000246/participants.tsv
+++ b/ds000246/participants.tsv
@@ -1,4 +1,3 @@
 participant_id	age	sex	dominant_hand
 sub-emptyroom	n/a	n/a	n/a
 sub-0001	25	Male	Right
-
diff --git a/ieeg_epilepsy/participants.tsv b/ieeg_epilepsy/participants.tsv
index 527df9ffb..a6a9ed477 100644
--- a/ieeg_epilepsy/participants.tsv
+++ b/ieeg_epilepsy/participants.tsv
@@ -1,2 +1,2 @@
 participant_id	age	sex
-sub-01	XX	m
\ No newline at end of file
+sub-01	n/a	m
diff --git a/ieeg_epilepsyNWB/participants.tsv b/ieeg_epilepsyNWB/participants.tsv
index 527df9ffb..a6a9ed477 100644
--- a/ieeg_epilepsyNWB/participants.tsv
+++ b/ieeg_epilepsyNWB/participants.tsv
@@ -1,2 +1,2 @@
 participant_id	age	sex
-sub-01	XX	m
\ No newline at end of file
+sub-01	n/a	m