diff --git a/lib/common/DebugMemLeakFinder.cpp b/lib/common/DebugMemLeakFinder.cpp
index d33e7ed48..a58acae64 100644
--- a/lib/common/DebugMemLeakFinder.cpp
+++ b/lib/common/DebugMemLeakFinder.cpp
@@ -754,4 +754,15 @@ void operator delete(void *ptr) throw ()
 	internal_delete(ptr);
 }
 
+void operator delete(void *ptr, const char *file, int line)
+{
+	internal_delete(ptr);
+}
+
+void operator delete[](void *ptr, const char *file, int line)
+{
+	internal_delete(ptr);
+}
+
+
 #endif // BOX_MEMORY_LEAK_TESTING
diff --git a/lib/common/MemLeakFinder.h b/lib/common/MemLeakFinder.h
index 07b52e26e..8b4d34826 100644
--- a/lib/common/MemLeakFinder.h
+++ b/lib/common/MemLeakFinder.h
@@ -53,6 +53,14 @@ void memleakfinder_notaleak(void *ptr);
 
 void *operator new  (size_t size, const char *file, int line);
 void *operator new[](size_t size, const char *file, int line);
+// "If the object is being created as part of a new expression, and an exception is thrown, the
+// object’s memory is deallocated by calling the appropriate deallocation function. If the object
+// is being created with a placement new operator, the corresponding placement delete operator is
+// called—that is, the delete function that takes the same additional parameters as the placement
+// new operator. If no matching placement delete is found, no deallocation takes place."
+// So to avoid memory leaks, we need to implement placement delete operators too.
+void operator delete  (void *ptr, const char *file, int line);
+void operator delete[](void *ptr, const char *file, int line);
 
 // Define the malloc functions now, if required. These should match the definitions
 // in MemLeakFindOn.h.