diff --git a/dmd/optimize.c b/dmd/optimize.c
index b33f6b0d..88cdcbcc 100644
--- a/dmd/optimize.c
+++ b/dmd/optimize.c
@@ -365,7 +365,6 @@ Expression *CastExp::optimize(int result)
     if (e1->op == TOKnull &&
 	(type->ty == Tpointer || type->ty == Tclass))
     {
-	e1 = e1->syntaxCopy();
 	e1->type = type;
 	return e1;
     }
@@ -381,7 +380,6 @@ Expression *CastExp::optimize(int result)
 	cdto   = type->isClassHandle();
 	if (cdto->isBaseOf(cdfrom, &offset) && offset == 0)
 	{
-	    e1 = e1->syntaxCopy();
 	    e1->type = type;
 	    return e1;
 	}
@@ -396,7 +394,6 @@ Expression *CastExp::optimize(int result)
 	    if (type->size() == e1->type->size() &&
 		type->toBasetype()->ty != Tsarray)
 	    {
-		e1 = e1->syntaxCopy();
 		e1->type = type;
 		return e1;
 	    }