diff --git a/vlib/builtin/array.v b/vlib/builtin/array.v
index 629b63ea8b..7b0e828904 100644
--- a/vlib/builtin/array.v
+++ b/vlib/builtin/array.v
@@ -202,38 +202,6 @@ pub fn (a array) last() voidptr {
 	return byteptr(a.data) + (a.len - 1) * a.element_size
 }
 
-/*
-// array.left returns a new array using the same buffer as the given array
-// with the first `n` elements of the given array.
-fn (a array) left(n int) array {
-//	$if !no_bounds_checking? {
-//		if n < 0 {
-//			panic('array.left: index is negative (n == $n)')
-//		}
-//	}
-	if n >= a.len {
-		return a.slice(0, a.len)
-	}
-	return a.slice(0, n)
-}
-
-// array.right returns an array using same buffer as the given array
-// but starting with the element of the given array beyond the index `n`.
-// If `n` is bigger or equal to the length of the given array,
-// returns an empty array of the same type as the given array.
-fn (a array) right(n int) array {
-//	$if !no_bounds_checking? {
-//		if n < 0 {
-//			panic('array.right: index is negative (n == $n)')
-//		}
-//	}
-	if n >= a.len {
-		return new_array(0, 0, a.element_size)
-	}
-	return a.slice(n, a.len)
-}
-*/
-
 // array.slice returns an array using the same buffer as original array
 // but starting from the `start` element and ending with the element before
 // the `end` element of the original array with the length and capacity
diff --git a/vlib/v/gen/cgen.v b/vlib/v/gen/cgen.v
index fee6e5af53..570c642aef 100644
--- a/vlib/v/gen/cgen.v
+++ b/vlib/v/gen/cgen.v
@@ -2434,7 +2434,7 @@ fn (mut g Gen) gen_filter(node ast.CallExpr) {
 	g.write('\nint ${tmp}_len = ')
 	g.expr(node.left)
 	g.writeln('.len;')
-	g.writeln('$styp $tmp = new_array(0, ${tmp}_len, sizeof($elem_type_str));')
+	g.writeln('$styp $tmp = __new_array(0, ${tmp}_len, sizeof($elem_type_str));')
 	g.writeln('for (int i = 0; i < ${tmp}_len; i++) {')
 	g.write('  $elem_type_str it = (($elem_type_str*) ')
 	g.expr(node.left)
@@ -2656,7 +2656,7 @@ fn (g Gen) type_default(typ table.Type) string {
 	if sym.kind == .array {
 		elem_sym := g.table.get_type_symbol(sym.array_info().elem_type)
 		elem_type_str := elem_sym.name.replace('.', '__')
-		return 'new_array(0, 1, sizeof($elem_type_str))'
+		return '__new_array(0, 1, sizeof($elem_type_str))'
 	}
 	if sym.kind == .map {
 		value_type_str := g.typ(sym.map_info().value_type)