diff --git a/check_process b/check_process
index a55ad3b..bbea0ac 100644
--- a/check_process
+++ b/check_process
@@ -18,8 +18,6 @@
 		upgrade=1
 		# 12.0~ynh6
 		upgrade=1	from_commit=54f28204591c902ebe4a3a6b662e88e8fa598fde
-		# 15.0~ynh1
-		upgrade=1	from_commit=c82770776ccf5ea14a1b47f0ee6a113858e749e6
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0