diff --git a/docker-startup.sh b/docker-startup.sh
index 692edf7..7230fe5 100755
--- a/docker-startup.sh
+++ b/docker-startup.sh
@@ -5,50 +5,6 @@ set -e
 # Adjust ifm configuration according to docker env vars.
 # Defaults should match those in ifm.php. See Dockerfile for details.
 
-# see http://stackoverflow.com/a/2705678/433558
-sed_escape_lhs() {
-    echo "$@" | sed 's/[]\/$*.^|[]/\\&/g'
-}
-sed_escape_rhs() {
-    echo "$@" | sed 's/[\/&]/\\&/g'
-}
-set_config() {
-    key=$(sed_escape_lhs "$1")
-    value=$(sed_escape_rhs "$2" )
-    sed -ri -e "s/\"$key\"[[:space:]]*=>.*$/\"$key\" => $value,/" /var/www/html/index.php
-}
-
-# general settings
-set_config "auth"               "$IFM_AUTH"
-set_config "auth_source"        "'$IFM_AUTH_SOURCE'"
-set_config "root_dir"           "'$IFM_ROOT_DIR'"
-set_config "tmp_dir"            "'$IFM_TMP_DIR'"
-set_config "defaulttimezone"    "'$IFM_DEFAULTTIMEZONE'"
-# api controls
-set_config "ajaxrequest"        "$IFM_API_AJAXREQUEST"
-set_config "chmod"              "$IFM_API_CHMOD"
-set_config "copymove"           "$IFM_API_COPYMOVE"
-set_config "createdir"          "$IFM_API_CREATEDIR"
-set_config "createfile"         "$IFM_API_CREATEFILE"
-set_config "edit"               "$IFM_API_EDIT"
-set_config "delete"             "$IFM_API_DELETE"
-set_config "download"           "$IFM_API_DOWNLOAD"
-set_config "extract"            "$IFM_API_EXTRACT"
-set_config "upload"             "$IFM_API_UPLOAD"
-set_config "remoteupload"       "$IFM_API_REMOTEUPLOAD"
-set_config "rename"             "$IFM_API_RENAME"
-set_config "zipnload"           "$IFM_API_ZIPNLOAD"
-# gui controls
-set_config "showlastmodified"   "$IFM_GUI_SHOWLASTMODIFIED"
-set_config "showfilesize"       "$IFM_GUI_SHOWFILESIZE"
-set_config "showowner"          "$IFM_GUI_SHOWOWNER"
-set_config "showgroup"          "$IFM_GUI_SHOWGROUP"
-set_config "showpermissions"    "$IFM_GUI_SHOWPERMISSIONS"
-set_config "showhtdocs"         "$IFM_GUI_SHOWHTDOCS"
-set_config "showhiddenfiles"    "$IFM_GUI_SHOWHIDDENFILES"
-set_config "showpath"           "$IFM_GUI_SHOWPATH"
-
-
 ################################################################################
 
 # Apache gets grumpy about PID files pre-existing