diff --git a/etc/sudoers.d/010_proxy b/etc/sudoers.d/010_proxy
deleted file mode 100644
index 3f980ed..0000000
--- a/etc/sudoers.d/010_proxy
+++ /dev/null
@@ -1,5 +0,0 @@
-Defaults env_keep += "http_proxy HTTP_PROXY"
-Defaults env_keep += "https_proxy HTTPS_PROXY"
-Defaults env_keep += "ftp_proxy FTP_PROXY"
-Defaults env_keep += "RSYNC_PROXY"
-Defaults env_keep += "no_proxy NO_PROXY"
diff --git a/usr/lib/brain-config/cmstart.sh b/usr/lib/brain-config/cmstart.sh
deleted file mode 100755
index 2904250..0000000
--- a/usr/lib/brain-config/cmstart.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-if raspi-config nonint is_kms ; then
-    if ps ax | grep -v grep | grep -q openbox ; then
-        exec xcompmgr -aR
-    fi
-fi
diff --git a/usr/share/brain-config/10-blanking.conf b/usr/share/brain-config/10-blanking.conf
deleted file mode 100644
index 2c794af..0000000
--- a/usr/share/brain-config/10-blanking.conf
+++ /dev/null
@@ -1,11 +0,0 @@
-Section "Extensions"
-    Option      "DPMS" "Disable"
-EndSection
-
-Section "ServerLayout"
-    Identifier "ServerLayout0"
-    Option "StandbyTime" "0"
-    Option "SuspendTime" "0"
-    Option "OffTime"     "0"
-    Option "BlankTime"   "0"
-EndSection