diff --git a/deleted.txt b/deleted.txt
index dcfac0f169..a5a90c44f9 100644
--- a/deleted.txt
+++ b/deleted.txt
@@ -17,3 +17,4 @@ dd149efc-7f0e-43e4-b3df-b6d15e171717  # Persée
 dbb5d4bc-3b21-47a2-9751-5dcbb65b902a  # AMS Online Journals - Allenpress (replaced with DOI for now)
 d2416f31-4f24-4e18-8c66-06122af5bc2c  # Women in Judaism (replaced with COinS)
 bc39e05b-141a-4322-85f0-a5b86edf896b  # Hindawi
+e78d20f7-488-4023-831-dfe39679f3f     # ACM (replaced by newer version)