diff --git a/preferences.d/prefer-debian-08-jessie.pref b/preferences.d/prefer-debian-08-jessie.pref
deleted file mode 100644
index f2b3639..0000000
--- a/preferences.d/prefer-debian-08-jessie.pref
+++ /dev/null
@@ -1,65 +0,0 @@
-# target-release priorities should be >= 990 (and < 1000) apart from backports
-
-# Debian 8
-Package: *
-Pin: release o=Debian,n=jessie*
-Pin-Priority: 990
-
-Package: *
-Pin: release o=Debian Backports,n=jessie-backports
-Pin-Priority: 980
-
-# Debian 9
-Package: *
-Pin: release o=Debian,n=stretch*
-Pin-Priority: 890
-
-Package: *
-Pin: release o=Debian Backports,n=stretch-backports
-Pin-Priority: 880
-
-# Debian 10
-Package: *
-Pin: release o=Debian,n=buster*
-Pin-Priority: 790
-
-Package: *
-Pin: release o=Debian Backports,n=buster-backports
-Pin-Priority: 780
-
-# Debian 11
-Package: *
-Pin: release o=Debian,n=bullseye*
-Pin-Priority: 690
-
-Package: *
-Pin: release o=Debian Backports,n=bullseye-backports
-Pin-Priority: 680
-
-# Debian 12
-Package: *
-Pin: release o=Debian,n=bookworm*
-Pin-Priority: 590
-
-Package: *
-Pin: release o=Debian Backports,n=bookworm-backports
-Pin-Priority: 580
-
-# Debian 13
-Package: *
-Pin: release o=Debian,n=trixie*
-Pin-Priority: 490
-
-Package: *
-Pin: release o=Debian Backports,n=trixie-backports
-Pin-Priority: 480
-
-# Debian unstable
-Package: *
-Pin: release o=Debian,n=sid*
-Pin-Priority: 300
-
-# Debian others (experimental, ...)
-Package: *
-Pin: release o=Debian
-Pin-Priority: 1