diff --git a/test/physical.cpp b/test/physical.cpp
index a8226a3..8ecef90 100644
--- a/test/physical.cpp
+++ b/test/physical.cpp
@@ -47,6 +47,10 @@
     /* Use a no-args ctor here to avoid headaches with {Nice,Strict}Mock */
     MockLed() : SysfsLed(createSandbox())
     {}
+    MockLed(MockLed& other) = delete;
+    MockLed(MockLed&& other) = delete;
+    MockLed& operator=(MockLed& other) = delete;
+    MockLed&& operator=(MockLed&& other) = delete;
 
     virtual ~MockLed()
     {