diff --git a/clean-all.sh b/clean-all.sh
index 57660ff..cc4242f 100755
--- a/clean-all.sh
+++ b/clean-all.sh
@@ -1,5 +1,4 @@
 #!/bin/bash -xe
 
-pmbootstrap shutdown
-yes | pmbootstrap zap --all
-sudo rm -r ~/code/linux-a7y18lte/.output/*
+./clean-pmbootstrap.sh
+./clean-kernel.sh
diff --git a/clean-kernel.sh b/clean-kernel.sh
new file mode 100755
index 0000000..3a45621
--- /dev/null
+++ b/clean-kernel.sh
@@ -0,0 +1,3 @@
+#!/bin/bash -xe
+
+sudo rm -r ~/code/linux-a7y18lte/.output/*
diff --git a/clean-pmbootstrap.sh b/clean-pmbootstrap.sh
new file mode 100755
index 0000000..11e9f11
--- /dev/null
+++ b/clean-pmbootstrap.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+pmbootstrap shutdown
+yes | pmbootstrap zap --all
diff --git a/setup-chroot.sh b/setup-chroot.sh
new file mode 100755
index 0000000..42062e9
--- /dev/null
+++ b/setup-chroot.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+pmbootstrap chroot apk add git dtbtool-exynos