--- bash_completion.orig	2014-08-24 12:54:00.867668506 +0200
+++ bash_completion.orig	2014-08-24 12:55:28.659187154 +0200
@@ -1925,6 +1925,17 @@ complete -F _minimal ''
 # set up dynamic completion loading
 _completion_loader()
 {
+    if grep -q -s "${1##*/}" /etc/bash/completion.blacklist; then
+        if ! grep -q -s "${1##*/}" ~/.config/bash_completion.whitelist; then
+            complete -F _minimal "$1" && return 124
+            return 1
+        fi
+    fi
+    if grep -q -s "${1##*/}" ~/.config/bash_completion.blacklist; then
+        complete -F _minimal "$1" && return 124
+        return 1
+    fi
+
     local compfile=./completions
     [[ $BASH_SOURCE == */* ]] && compfile="${BASH_SOURCE%/*}/completions"
     compfile+="/${1##*/}"