diff --git a/code/STEPFile.h b/code/STEPFile.h
index f97845dd8..252e75dbb 100644
--- a/code/STEPFile.h
+++ b/code/STEPFile.h
@@ -596,11 +596,6 @@ namespace STEP {
         LazyObject(DB& db, uint64_t id, uint64_t line, const char* type,const char* args);
         ~LazyObject();
 
-        LazyObject( LazyObject const& ) = delete;
-        LazyObject operator=( LazyObject const& ) = delete;
-        LazyObject( LazyObject && ) = delete;
-        LazyObject operator=( LazyObject  && ) = delete;
-
     public:
 
         Object& operator * () {