diff --git a/Utils.h b/Utils.h
index 6ad87ae..ab151aa 100644
--- a/Utils.h
+++ b/Utils.h
@@ -81,6 +81,11 @@
 uint64_t GetFreeBytes(const std::string& path);
 uint64_t GetTreeBytes(const std::string& path);
 
+bool IsFilesystemSupported(const std::string& fsType);
+
+/* Wipes contents of block device at given path */
+status_t WipeBlockDevice(const std::string& path);
+
 }  // namespace vold
 }  // namespace android