--- a/pkg/misc/set.go	Fri Nov 23 19:41:31 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,32 +0,0 @@
-// This is Free Software under GNU Affero General Public License v >= 3.0
-// without warranty, see README.md and license for details.
-//
-// SPDX-License-Identifier: AGPL-3.0-or-later
-// License-Filename: LICENSES/AGPL-3.0.txt
-//
-// Copyright (C) 2018 by via donau
-//   – Österreichische Wasserstraßen-Gesellschaft mbH
-// Software engineering by Intevation GmbH
-//
-// Author(s):
-//  * Sascha L. Teichmann <sascha.teichmann@intevation.de>
-
-package misc
-
-import "math"
-
-func PowerSet(n int, fn func([]int)) {
-	powerSetSize := int(math.Pow(2, float64(n)))
-
-	subSet := make([]int, n)
-	for index := 0; index < powerSetSize; index++ {
-		subSet = subSet[:0]
-
-		for j := 0; j < n; j++ {
-			if index&(1<<uint(j)) > 0 {
-				subSet = append(subSet, j)
-			}
-		}
-		fn(subSet)
-	}
-}