--- /usr/share/bash-completion/bash_completion	2014-08-24 10:55:47.944497005 +0200
+++ /tmp/bash_completion	2014-08-24 10:54:59.415477238 +0200
@@ -1925,6 +1925,11 @@ complete -F _minimal ''
 # set up dynamic completion loading
 _completion_loader()
 {
+    if grep -q -s "${1##*/}" /etc/bash/completion.blacklist; then
+        complete -F _minimal "$1" && return 124
+        return 1
+    fi
+
     local compfile=./completions
     [[ $BASH_SOURCE == */* ]] && compfile="${BASH_SOURCE%/*}/completions"
     compfile+="/${1##*/}"