diff --git a/acatcher/README b/acatcher/README
index ec21da2..0f5d57d 100644
--- a/acatcher/README
+++ b/acatcher/README
@@ -1,8 +1,8 @@
 
 host side:
 
-apt-get install libopencv-dev llvm-3.4 clang-3.4
-clang++-3.4 -O2 -lopencv_core -lopencv_highgui -lopencv_imgproc -o acatcher acatcher.cxx
+apt-get install libopencv-dev
+clang++ -O2 -lopencv_core -lopencv_highgui -lopencv_imgproc -o acatcher acatcher.cxx
 
 to actually run it:
 ./acatcher | (aplay -t raw -c 1 -f S16_LE -r 22050 > /dev/null 2> /dev/null)
diff --git a/acatcher/aconvert b/acatcher/aconvert
deleted file mode 100755
index 2f0733c..0000000
--- a/acatcher/aconvert
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-# Signed 16 bit Little Endian, Rate 22050 Hz, Mono
-#
-# use "play" command to play back audio
-
-INFILE="$1"
-OUTFILE="$INFILE.wav"
-#sox -r 44100 -e unsigned -b 8 -c 1 <RAW_FILE> <TARGET_FILE>
-sox -r 22050 -e signed -b 16 -L -c 1 "$1" "$OUTFILE"
diff --git a/acatcher/mkacatcher b/acatcher/mkacatcher
deleted file mode 100755
index fd21af1..0000000
--- a/acatcher/mkacatcher
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/sh
-NUM=0
-while read FOO; do
-  if ! echo $FOO | grep -q ^#; then
-    HOST="`echo $FOO | cut -d\| -f3`"
-    MAC="`echo $FOO | cut -d\| -f1 | tr '[A-Z]' '[a-z]'`"
-    IP="`echo $FOO | cut -d\| -f2`"
-    if ! echo $HOST | egrep -q "(server|spare)"; then
-      >&2 echo found host $HOST mac $MAC ip $IP num $NUM
-      HEX="`echo "obase=16; $NUM" | bc | tr '[A-Z]' '[a-z]'`"
-      echo "\"[$HEX] $HOST\","
-      NUM=$((NUM+1))
-    elif echo $HOST | grep -q server; then
-      >&2 echo found server at ip $IP
-      echo $IP > SERVERIP
-    fi
-  fi
-done < $HOME/Dropbox/CAMS > acatcher.cxx.inc
diff --git a/acatcher/mkhosts b/acatcher/mkhosts
deleted file mode 100755
index 92805ed..0000000
--- a/acatcher/mkhosts
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/sh
-NUM=0
-while read FOO; do
-  if ! echo $FOO | grep -q ^#; then
-    HOST="`echo $FOO | cut -d\| -f3`"
-    MAC="`echo $FOO | cut -d\| -f1 | tr '[A-Z]' '[a-z]'`"
-    IP="`echo $FOO | cut -d\| -f2`"
-    if ! echo $HOST | egrep -q "(server|spare)"; then
-      >&2 echo found host $HOST mac $MAC ip $IP num $NUM
-      echo "$HOST|$MAC|$IP|$NUM"
-      NUM=$((NUM+1))
-    elif echo $HOST | grep -q server; then
-      >&2 echo found server at ip $IP
-      echo $IP > SERVERIP
-    fi
-  fi
-done < $HOME/Dropbox/CAMS > HOSTS
diff --git a/acatcher/upstream b/acatcher/upstream
deleted file mode 120000
index 7452887..0000000
--- a/acatcher/upstream
+++ /dev/null
@@ -1 +0,0 @@
-../external/happycube/projects/acatcher
\ No newline at end of file
diff --git a/acatcher/watch.sh b/acatcher/watch.sh
deleted file mode 100755
index 495b3c5..0000000
--- a/acatcher/watch.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-./acatcher -as | (aplay -t raw -c 1 -f S16_LE -r 22050 > /dev/null 2> /dev/null)