Index: src/Parser/ExpressionNode.cc
===================================================================
--- src/Parser/ExpressionNode.cc	(revision d67cdb749954789d84d7a8bbabc0ec601347a7bb)
+++ src/Parser/ExpressionNode.cc	(revision bf4b4cfa078d7192399e205b24be58f205c888b6)
@@ -87,5 +87,5 @@
 		} else {
 			assertf( false, "internal error, bad integral length %s", str.c_str() );
-		} // if		
+		} // if
 		posn += 1;
 	} // if
@@ -396,5 +396,5 @@
 
 NameExpr * build_varref( const string * name ) {
-	NameExpr * expr = new NameExpr( *name, nullptr );
+	NameExpr * expr = new NameExpr( *name );
 	delete name;
 	return expr;
@@ -487,5 +487,5 @@
 	list< Expression * > args;
 	buildMoveList( expr_node, args );
-	return new UntypedExpr( maybeMoveBuild< Expression >(function), args, nullptr );
+	return new UntypedExpr( maybeMoveBuild< Expression >(function), args );
 } // build_func