diff --git a/files/apt/10.stretch_backport.list b/files/apt/10.stretch_backport.list
deleted file mode 100644
index e988ba7..0000000
--- a/files/apt/10.stretch_backport.list
+++ /dev/null
@@ -1 +0,0 @@
-deb http://deb.debian.org/debian stretch-backports main contrib non-free
diff --git a/files/apt/20-stable b/files/apt/20-stable
deleted file mode 100644
index 01cd7cb..0000000
--- a/files/apt/20-stable
+++ /dev/null
@@ -1,7 +0,0 @@
-Package: *
-Pin:release n=sid
-Pin-Priority:-10
-
-Package: *
-Pin:release n=stretch-backport
-Pin-Priority:-10
diff --git a/files/apt/20.sid.list b/files/apt/20.sid.list
deleted file mode 100644
index c0bba96..0000000
--- a/files/apt/20.sid.list
+++ /dev/null
@@ -1 +0,0 @@
-deb http://ftp.debian.org/debian sid main
diff --git a/files/apt/60-libreoffice b/files/apt/60-libreoffice
deleted file mode 100644
index 2ac3c54..0000000
--- a/files/apt/60-libreoffice
+++ /dev/null
@@ -1,3 +0,0 @@
-Package: libreoffice libreoffice-gtk3 libreoffice-l10n-fr
-Pin: release n=stretch-backports
-Pin-Priority: 991
diff --git a/files/apt/60-remmina b/files/apt/60-remmina
deleted file mode 100644
index f15a097..0000000
--- a/files/apt/60-remmina
+++ /dev/null
@@ -1,3 +0,0 @@
-Package: remmina remmina-plugin-rdp
-in: release n=stretch-backports
-Pin-Priority: 991
diff --git a/files/apt/80-fusioninventory b/files/apt/80-fusioninventory
deleted file mode 100644
index 733b9b8..0000000
--- a/files/apt/80-fusioninventory
+++ /dev/null
@@ -1,3 +0,0 @@
-Package: fusioninventory-agent
-Pin: release n=sid
-Pin-Priority: 991
diff --git a/files/apt/80-papirus-icon-theme b/files/apt/80-papirus-icon-theme
deleted file mode 100644
index f1f69ee..0000000
--- a/files/apt/80-papirus-icon-theme
+++ /dev/null
@@ -1,3 +0,0 @@
-Package: papirus-icon-theme
-Pin: release n=sid
-Pin-Priority: 991
diff --git a/install.sh b/install.sh
index 33e09a6..c2984bc 100755
--- a/install.sh
+++ b/install.sh
@@ -83,17 +83,17 @@ create_fusioninv_conf () {
 }
 
 configure_drm(){
-    if grep -o drm "$INITRAMFS_CONF_FILE"
+    if grep -q drm "$INITRAMFS_CONF_FILE"
     then
-        cat "drm" >> "$INITRAMFS_CONF_FILE"
-    else
         message "DRM already done " "warn"
+    else
+        cat "drm" >> "$INITRAMFS_CONF_FILE"
     fi
     if grep -q "$1" "$INITRAMFS_CONF_FILE"
     then
-        cat "$1 modeset=1" >> "$INITRAMFS_CONF_FILE"
-    else
         message "$1 already done " "warn"
+    else
+        cat "$1 modeset=1" >> "$INITRAMFS_CONF_FILE"
     fi
 }
 
@@ -126,14 +126,6 @@ configure_plymouth (){
     fi
 }
 
-# rno need to install things from sid and backport in 10
-#message "\nAdd Debian stretch backport and Sid Repository :"
-#cp ./files/apt/*.list /etc/apt/sources.list.d/
-#cp ./files/apt/20-stable /etc/apt/preferences.d/
-#cp ./files/apt/60-* /etc/apt/preferences.d/
-#cp ./files/apt/80-* /etc/apt/preferences.d/
-#message "done\n" "ok"
-#
 
 apt-get update &>/dev/null
 process_package_file files/packages.list