diff --git a/services/common/platform/event/source/event.cpp b/services/common/platform/event/source/event.cpp
index 15bd597..dd9a0b9 100755
--- a/services/common/platform/event/source/event.cpp
+++ b/services/common/platform/event/source/event.cpp
@@ -83,7 +83,7 @@ DEFINE_IMPL_CLASS_CAST(EventCast, IEvent, Event);
 
 class EventDeleter {
 public:
-    void operator ()(IEvent *&p) const
+    void operator ()(IEvent *p) const
     {
         EventCast::Destroy(p);
     }
diff --git a/services/common/platform/semaphore/source/semaphore.cpp b/services/common/platform/semaphore/source/semaphore.cpp
index 7eb124a..4d8f7a5 100755
--- a/services/common/platform/semaphore/source/semaphore.cpp
+++ b/services/common/platform/semaphore/source/semaphore.cpp
@@ -68,7 +68,7 @@ DEFINE_IMPL_CLASS_CAST(SemaphoreCast, ISemaphore, Semaphore);
 
 class SemaphoreDeleter {
 public:
-    void operator ()(ISemaphore *&p) const
+    void operator ()(ISemaphore *p) const
     {
         SemaphoreCast::Destroy(p);
     }