diff --git a/tools/delete-ignored-files.sh b/tools/delete-ignored-files.sh
new file mode 100755
index 000000000..19c8545e0
--- /dev/null
+++ b/tools/delete-ignored-files.sh
@@ -0,0 +1,7 @@
+#!/bin/bash -ex
+
+# This script assumes that Git is installed
+
+# The following deletes all files and directories which are ignored by `.gitignore`
+
+git clean -dfX