diff --git a/.hooks/post-checkout b/.hooks/post-checkout
new file mode 100755
index 0000000..8c86bfc
--- /dev/null
+++ b/.hooks/post-checkout
@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+
+# Remove the build directory after checking out a branch
+rm -rf build > /dev/null 2>&1