diff --git a/drivers/util.py b/drivers/util.py
index 50c9a5a86..5a91e0170 100755
--- a/drivers/util.py
+++ b/drivers/util.py
@@ -637,6 +637,10 @@ def zeroOut(path, fromByte, bytes):
     return True
 
 
+def wipe(blockdev):
+    "Wipe filesystem signatures from `blockdev`"
+
+
 def match_rootdev(s):
     regex = re.compile("^PRIMARY_DISK")
     return regex.search(s, 0)