diff --git a/sources.list.d/stretch-src.list b/sources.list.d/stretch-src.list
index 04baae7..4266986 100644
--- a/sources.list.d/stretch-src.list
+++ b/sources.list.d/stretch-src.list
@@ -2,4 +2,4 @@ deb-src  http://ftp.de.debian.org./debian   stretch                  main contri
 deb-src  http://ftp.de.debian.org./debian   stretch-updates          main contrib non-free
 deb-src  http://ftp.de.debian.org./debian   stretch-proposed-updates main contrib non-free
 deb-src  http://security.debian.org./       stretch/updates          main contrib non-free
-deb-src  http://ftp.de.debian.org./debian   stretch-backports        main contrib non-free
+# deb-src  http://ftp.de.debian.org./debian   stretch-backports        main contrib non-free
diff --git a/sources.list.d/stretch.list b/sources.list.d/stretch.list
index 767308e..735b8f1 100644
--- a/sources.list.d/stretch.list
+++ b/sources.list.d/stretch.list
@@ -2,4 +2,4 @@ deb      http://ftp.de.debian.org./debian   stretch                  main contri
 deb      http://ftp.de.debian.org./debian   stretch-updates          main contrib non-free
 deb      http://ftp.de.debian.org./debian   stretch-proposed-updates main contrib non-free
 deb      http://security.debian.org./       stretch/updates          main contrib non-free
-deb      http://ftp.de.debian.org./debian   stretch-backports        main contrib non-free
+# deb      http://ftp.de.debian.org./debian   stretch-backports        main contrib non-free