diff --git a/scripts/check_tmux_version.sh b/scripts/check_tmux_version.sh
index b0aedec..e502830 100755
--- a/scripts/check_tmux_version.sh
+++ b/scripts/check_tmux_version.sh
@@ -1,43 +1,12 @@
 #!/usr/bin/env bash
 
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
 VERSION="$1"
 UNSUPPORTED_MSG="$2"
 
-get_tmux_option() {
-	local option=$1
-	local default_value=$2
-	local option_value=$(tmux show-option -gqv "$option")
-	if [ -z "$option_value" ]; then
-		echo "$default_value"
-	else
-		echo "$option_value"
-	fi
-}
-
-# Ensures a message is displayed for 5 seconds in tmux prompt.
-# Does not override the 'display-time' tmux option.
-display_message() {
-	local message="$1"
-
-	# display_duration defaults to 5 seconds, if not passed as an argument
-	if [ "$#" -eq 2 ]; then
-		local display_duration="$2"
-	else
-		local display_duration="5000"
-	fi
-
-	# saves user-set 'display-time' option
-	local saved_display_time=$(get_tmux_option "display-time" "750")
-
-	# sets message display time to 5 seconds
-	tmux set-option -gq display-time "$display_duration"
-
-	# displays message
-	tmux display-message "$message"
-
-	# restores original 'display-time' value
-	tmux set-option -gq display-time "$saved_display_time"
-}
+source "$CURRENT_DIR/scripts/helpers.sh"
+source "$CURRENT_DIR/scripts/shared_functions.sh"
 
 # this is used to get "clean" integer version number. Examples:
 # `tmux 1.9` => `19`