diff --git a/scripts/repo-clean.sh b/scripts/repo-clean.sh
new file mode 100644
index 00000000..3be0f33b
--- /dev/null
+++ b/scripts/repo-clean.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+# this should be run from chipyard repo top
+TOPDIR=$(pwd)
+
+cd generators/cva6/src/main/resources/vsrc
+git submodule deinit cva6
+
+cd $TOPDIR
+
+cd toolchains/qemu/roms/
+git submodule deinit edk2
+cd ../
+rm -rf build
+
+cd ../libgloss
+rm -rf build.log
+
+cd ../riscv-tools/riscv-isa-sim/
+rm -rf build.log
+
+cd ../riscv-pk
+rm -rf build.log
+
+cd ../riscv-tests
+rm -rf build.log
+
+cd $TOPDIR
+cd tools/api-config-chipsalliance
+git config --local status.showUntrackedFiles no