diff --git a/userspace/falco/semaphore.h b/userspace/falco/semaphore.h
index 78498b92..98c2fefb 100644
--- a/userspace/falco/semaphore.h
+++ b/userspace/falco/semaphore.h
@@ -30,6 +30,11 @@ namespace falco
          * @brief Creates a semaphore with the given initial counter value
          */
         semaphore(int c = 0): count(c) {}
+        semaphore(semaphore&&) = default;
+        semaphore& operator = (semaphore&&) = default;
+        semaphore(const semaphore&) = delete;
+        semaphore& operator = (const semaphore&) = delete;
+        ~semaphore() = default;
 
         /**
          * @brief Increments the internal counter and unblocks acquirers