diff --git a/mock_supplicant_bss_proxy.h b/mock_supplicant_bss_proxy.h
new file mode 100644
index 0000000..0de038b
--- /dev/null
+++ b/mock_supplicant_bss_proxy.h
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOCK_SUPPLICANT_BSS_PROXY_H_
+#define MOCK_SUPPLICANT_BSS_PROXY_H_
+
+#include <base/basictypes.h>
+#include <gmock/gmock.h>
+
+#include "shill/supplicant_bss_proxy_interface.h"
+
+namespace shill {
+
+class MockSupplicantBSSProxy : public SupplicantBSSProxyInterface {
+ public:
+  explicit MockSupplicantBSSProxy();
+  virtual ~MockSupplicantBSSProxy();
+
+  MOCK_METHOD0(Die, void());  // So we can EXPECT the dtor.
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockSupplicantBSSProxy);
+};
+
+}  // namespace shill
+
+#endif  // MOCK_SUPPLICANT_BSS_PROXY_H_