diff --git a/ci/image_optimize.sh b/ci/image_optimize.sh
deleted file mode 100755
index e38a874e7a..0000000000
--- a/ci/image_optimize.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-#
-# Optimize images to reduce the file sizes
-#
-# Usage: bash image_optimize.sh *.png
-#
-# Note: Requires pngquant to be installed
-#
-
-if [ "$#" == 0 ]; then
-    echo "Usage: bash image_optimize.sh *.png"
-    exit 1
-fi
-
-if ! [ -x "$(command -v pngquant)" ]; then
-    echo 'Error: pngquant is not found in your search PATH.' >&2
-    exit 1
-fi
-
-for image in "$@"; do
-    echo "Optimizing ${image}"
-    pngquant --skip-if-larger --strip --force --ext .png ${image}
-done