diff --git a/clean.ks b/clean.ks
new file mode 100644
index 0000000..933a575
--- /dev/null
+++ b/clean.ks
@@ -0,0 +1,34 @@
+// Intended to be run from volume 0 for checking compiled sizes.
+
+switch to 0.
+cleanHere().
+
+function cleanDir {
+  parameter dir.
+
+  print "Entering '" + dir + "'.".
+  cd(dir).
+  compileHere().
+  cd("..").
+  print "Leaving '" + dir + "'.".
+}
+
+function cleanHere {
+  local fileList is list().
+  list files in fileList.
+
+  for f in fileList {
+    if f:ISFILE {
+      if f:EXTENSION = "ksm" {
+	print "Deleting '" + f:NAME + "'.".
+	deletepath(f).
+      }
+    } else if f:NAME[0] <> "." {
+      compileDir(f).
+    }
+  }
+}
+
+  // TODO: might be neat to actually do a filesize comparison and print a report or something,
+  // specifically iterating files NOT to compile.
+  // TODO: We could hypothetically even integrate this with the bootstrapper.