diff --git a/cdist/conf/type/__apt_backports/man.rst b/cdist/conf/type/__apt_backports/man.rst
index c578ce6b..7036fb84 100644
--- a/cdist/conf/type/__apt_backports/man.rst
+++ b/cdist/conf/type/__apt_backports/man.rst
@@ -12,8 +12,7 @@ This singleton type installs backports for the current OS release.
 It aborts if backports are not supported for the specified OS or
 no version codename could be fetched (like Debian unstable).
 
-The package index will be automatically updated by the type
-:strong:`cdist-type__apt_update_index`\ (7) if required.
+The package index will be automatically updated if required.
 
 It supports backports from following OSes:
 
@@ -90,7 +89,6 @@ SEE ALSO
 `Official Debian Backports site <https://backports.debian.org/>`_
 
 :strong:`cdist-type__apt_source`\ (7)
-:strong:`cdist-type__apt_update_index`\ (7)
 
 
 AUTHORS
diff --git a/cdist/conf/type/__apt_backports/manifest b/cdist/conf/type/__apt_backports/manifest
index c2943725..bc47d8de 100755
--- a/cdist/conf/type/__apt_backports/manifest
+++ b/cdist/conf/type/__apt_backports/manifest
@@ -79,6 +79,3 @@ __apt_source "${dist}-backports" \
     --distribution "${dist}-backports" \
     --component "$components" \
     --uri "$mirror"
-
-# update the index if the source changed
-require="__apt_source/${dist}-backports" __apt_update_index