diff --git a/tools/build_avopt b/tools/build_avopt
deleted file mode 100755
index fcf165765c..0000000000
--- a/tools/build_avopt
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-sed 's/unsigned//g' |\
- sed 's/enum//g' |\
- egrep '^ *(int|float|double|AVRational|char *\*) *[a-zA-Z_0-9]* *;' |\
- sed 's/^ *\([^ ]*\)[ *]*\([^;]*\);.*$/{"\2", NULL, OFFSET(\2), FF_OPT_TYPE_\U\1, DEFAULT, \1_MIN, \1_MAX},/' |\
- sed 's/AVRATIONAL_M/INT_M/g'|\
- sed 's/TYPE_AVRATIONAL/TYPE_RATIONAL/g'|\
- sed 's/FLOAT_M/FLT_M/g'|\
- sed 's/FF_OPT_TYPE_CHAR/FF_OPT_TYPE_STRING/g'
diff --git a/tools/clean-diff b/tools/clean-diff
deleted file mode 100755
index 4600702b10..0000000000
--- a/tools/clean-diff
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-sed '/^+[^+]/!s/	/TaBBaT/g' |\
- expand -t $(seq -s , 9 8 200) |\
- sed 's/TaBBaT/	/g' |\
- sed '/^+[^+]/s/ * $//' |\
- tr -d '\015' |\
- tr '\n' '°' |\
- sed 's/\(@@[^@]*@@°[^@]*\)/\n\1/g' |\
- egrep -v '@@[^@]*@@°(( [^°]*°)|([+-][[:space:]]*°)|(-[[:space:]]*([^°]*)°\+[[:space:]]*\5°))*$' |\
- tr -d '\n' |\
- tr '°' '\n'
diff --git a/tools/jauche_sortierer.sh b/tools/jauche_sortierer.sh
deleted file mode 100755
index 1f84f1a2a9..0000000000
--- a/tools/jauche_sortierer.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/sh
-#GPL
-#TODO
-#add pixelformat/sampleformat into the path of the codecs
-
-FFP=../ffprobe
-TMP=$(mktemp) || exit 1
-TARGET=$1
-shift
-
-for v do
-    BASE=$(basename $v)
-    echo $v | egrep -i '(public|private)' >/dev/null && echo Warning $v may be private
-    $FFP $v 2> $TMP
-    FORM=$((grep 'Input #0, ' -m1 $TMP || echo 'Input #0, unknown') | sed 's/Input #0, \([a-zA-Z0-9_]*\).*/\1/' )
-    mkdir -p $TARGET/container/$FORM
-    ln -s $v $TARGET/container/$FORM/$BASE
-    eval $(grep 'Stream #0\.[^:]*: [a-zA-Z0-9][^:]*: [a-zA-Z0-9]' $TMP | sed 's#[^:]*: \([a-zA-Z0-9]*\)[^:]*: \([a-zA-Z0-9]*\).*#mkdir -p '$TARGET'/\1/\2 ; ln -s '$v' '$TARGET'/\1/\2/'$BASE' ; #')
-done
-
-rm $TMP
diff --git a/tools/unwrap-diff b/tools/unwrap-diff
deleted file mode 100755
index ccea99b7b4..0000000000
--- a/tools/unwrap-diff
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-tr '\n' '\001' | sed 's/\x01\x01/\x01 \x01/g' | sed 's/\x01\([^-+ @]\)/ \1/g' | tr '\001' '\n'