diff --git a/appended b/appended
deleted file mode 100644
index e69de29..0000000
diff --git a/tools/erase_lines b/tools/erase_lines
index c45f4ce..c5f5cdf 100755
--- a/tools/erase_lines
+++ b/tools/erase_lines
@@ -3,7 +3,7 @@
 # Clears the entire current line regardless of terminal size.
 # See the magic by running:
 # { sleep 1; clear_this_line ; }&
-clear_this_line() {
+function clear_this_line {
         printf '\r'
         cols="$(tput cols)"
         for i in $(seq "$cols"); do
@@ -16,7 +16,7 @@ clear_this_line() {
 # Usage: erase_lines [AMOUNT]
 # See the magic by running:
 # { sleep 1; erase_lines 2; }&
-erase_lines() {
+function erase_lines {
         # Default line count to 1.
         test -z "$1" && lines="1" || lines="$1"
 
diff --git a/tools/idem_apt_install b/tools/idem_apt_install
index 1167ace..a00468d 100755
--- a/tools/idem_apt_install
+++ b/tools/idem_apt_install
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-function usage() {
+function usage {
     local BASECMD
     BASECMD=$(basename "$0")
     echo "usage: $BASECMD <packages...>"
diff --git a/tools/semver_git_tag b/tools/semver_git_tag
index 14851f0..093a0bb 100755
--- a/tools/semver_git_tag
+++ b/tools/semver_git_tag
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-function usage() {
+function usage {
 	echo 'usage: --major | -M | --minor | -m | --patch | -p'
 	exit 1
 }
diff --git a/tools/wget_semver b/tools/wget_semver
index 151e305..2f2aa09 100755
--- a/tools/wget_semver
+++ b/tools/wget_semver
@@ -3,7 +3,7 @@
 REPO_TYPE=$1
 REPO_NAME=$2
 
-function usage() {
+function usage {
 	local BASECMD=$(basename "$0")
 	echo 'usage: <REPO_TYPE> <REPO_NAME> [DESTINATION]'
 	echo 'example:'
@@ -14,7 +14,7 @@ function usage() {
 	exit -1
 }
 
-function get_github() {
+function get_github {
 	local all_releases=$(git ls-remote --tags --sort="v:refname" https://github.com/"$REPO_NAME" | grep -Eo "v?([0-9]+\.){2}[0-9]+$")
 
 	# extract only VERSION without 'v'
@@ -33,7 +33,7 @@ function get_github() {
 	fi
 }
 
-function get_artcode() {
+function get_artcode {
 	release=$(git ls-remote --tags --sort="v:refname" \
 		https://git.artcode.re/$REPO_NAME |
 		tail -n1 | cut -f2 | cut -d '/' -f3)