diff --git a/identifiers.tsv b/identifiers.tsv
index 6fdf002fc7989edb11f62946acf25ad8139262a9..96e440f2a3ef3e8def2c88d80be2f6dd1de76255 100644
--- a/identifiers.tsv
+++ b/identifiers.tsv
@@ -62,7 +62,6 @@ id	na_id	identifier	context_id	context_pid	canonical_url	ticket	ts_md_fetch	ts_d
 	2	10.21243/mi-01-20-21	1		https://journals.univie.ac.at/index.php/mp/article/view/3474	22468	2020-04-14T152601Z	2020-04-15T091909Z
 	2	10.21243/mi-01-20-2	1		https://journals.univie.ac.at/index.php/mp/article/view/3395	22468	2020-04-14T152626Z	2020-04-15T093350Z
 	2	10.21243/mi-01-20-22	1		https://journals.univie.ac.at/index.php/mp/article/view/3492	22468	2020-04-14T152557Z	2020-04-15T091909Z
-	2	10.21243/mi-01-20-23	1		https://journals.univie.ac.at/index.php/mp/article/view/3435	22467	2020-04-14T151520Z	2020-04-15T091746Z
 	2	10.21243/mi-01-20-23	1		https://journals.univie.ac.at/index.php/mp/article/view/3435	22468	2020-04-14T152555Z	2020-04-15T091909Z
 	2	10.21243/mi-01-20-3	1		https://journals.univie.ac.at/index.php/mp/article/view/3420	22468	2020-04-14T152623Z	2020-04-15T093350Z
 	2	10.21243/mi-01-20-4	1		https://journals.univie.ac.at/index.php/mp/article/view/3429	22468	2020-04-15T093202Z	2020-04-15T093350Z