diff --git a/README.md b/README.md
index 594f396..f38ff56 100755
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ IMG_NAME='Hassbian'
 ## Docker Build
 
 ```bash
-vi config         # Edit your config file. See above.
+nano config         # Edit your config file. See above.
 ./build-docker.sh
 ```
 If everything goes well, your finished image will be in the `deploy/` folder.
@@ -99,7 +99,7 @@ maintenance and allows for more easy customization.
    specific packages are installed, permissions are set and users created.
    This is the only stage we add to the original build script.
 
-   The original **Stage 3** and **Stage 4** are removed since they are not
+   The original **Stage 4** and **Stage 5** are removed since they are not
    used on the HASSbian image.
 
 ### Stage specification
diff --git a/stage3/00-install-packages/00-packages b/stage3/00-install-packages/00-packages
index 01bdd98..2c8854c 100644
--- a/stage3/00-install-packages/00-packages
+++ b/stage3/00-install-packages/00-packages
@@ -1 +1 @@
-git python3 python3-venv python3-pip bluetooth libbluetooth-dev rng-tools rpi-update htop tmux avahi-daemon
+git python3 python3-venv python3-pip bluetooth libbluetooth-dev rng-tools rpi-update htop tmux avahi-daemon libtool autoconf 
diff --git a/stage5/00-install-mathematica/00-debconf b/stage5/00-install-mathematica/00-debconf
deleted file mode 100644
index d9743fe..0000000
--- a/stage5/00-install-mathematica/00-debconf
+++ /dev/null
@@ -1,2 +0,0 @@
-# Do you accept the Wolfram - Raspberry Pi® Bundle License Agreement?
-wolfram-engine  shared/accepted-wolfram-eula    boolean true
diff --git a/stage5/00-install-mathematica/00-packages b/stage5/00-install-mathematica/00-packages
deleted file mode 100644
index fa9ba94..0000000
--- a/stage5/00-install-mathematica/00-packages
+++ /dev/null
@@ -1 +0,0 @@
-wolfram-engine
diff --git a/stage5/EXPORT_IMAGE b/stage5/EXPORT_IMAGE
deleted file mode 100644
index 2b0f09d..0000000
--- a/stage5/EXPORT_IMAGE
+++ /dev/null
@@ -1 +0,0 @@
-IMG_SUFFIX=""
diff --git a/stage5/EXPORT_NOOBS b/stage5/EXPORT_NOOBS
deleted file mode 100644
index a7e95af..0000000
--- a/stage5/EXPORT_NOOBS
+++ /dev/null
@@ -1,2 +0,0 @@
-NOOBS_NAME="Raspbian with PIXEL"
-NOOBS_DESCRIPTION="A port of Debian jessie for the Raspberry Pi (full desktop version)"
diff --git a/stage5/prerun.sh b/stage5/prerun.sh
deleted file mode 100755
index a5ea5f4..0000000
--- a/stage5/prerun.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash -e
-if [ ! -d ${ROOTFS_DIR} ]; then
-	copy_previous
-fi