diff --git a/clang_format.sh b/clang_format.sh
deleted file mode 100755
index 2d834b515d..0000000000
--- a/clang_format.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash
-# cspell: ignore clangf
-modified=$1
-dir=`pwd`
-clangf=clang-format-10
-clangf=clang-format
-if [ "$1" = "--all" ]
-then
-  modified=`git status|egrep "modified|new file"|egrep "(cpp|h)$" | sed -E -e 's/modified://' -e 's/new file://' -e 's/^[[:space:]]+//'`
-fi
-for i in $modified
-do
-  basedir=$(dirname "$i")
-  file=$(basename "$i")
-  echo "$basedir $file"
-  cd $basedir
-  $clangf -style=file -i "$file"
-  cd $dir
-done