diff --git a/mybashrc b/mybashrc
index aaa0bda..1d28522 100644
--- a/mybashrc
+++ b/mybashrc
@@ -169,6 +169,7 @@ MAINTENANCE_APT() {
 
     if [ "$(id -u)" = "0" ] || [ -n "$IS_SUDOERS" ]; then
         export DEBIAN_FRONTEND=noninteractive
+        _CLEAN_PPA
         echo -e "${CGREEN}#############################################${CEND}"
         echo -e '       APT UPDATE               '
         echo -e "${CGREEN}#############################################${CEND}"
@@ -696,6 +697,10 @@ _DELETE_WO_SITES() {
     done
 }
 
+_CLEAN_PPA() {
+    rm -f /etc/apt/sources.list.d/{jonathonf-ubuntu-backports,jonathonf-ubuntu-ffmpeg-4*}
+}
+
 # enable color support of ls and also add handy aliases
 # some more ls aliases
 #alias wp='/usr/bin/wp --allow-root'