1 files changed, 0 insertions, 80 deletions
diff --git a/ui/tunnelconfigdialog.go b/ui/tunnelconfigdialog.go
index 0a7432ac..e937455d 100644
--- a/ui/tunnelconfigdialog.go
+++ b/ui/tunnelconfigdialog.go
@@ -321,83 +321,3 @@ func (dlg *TunnelConfigDialog) onSaveButtonClicked() {
 
 	dlg.Accept()
 }
-
-type orderedStringSet struct {
-	items      []string
-	item2index map[string]int
-}
-
-func orderedStringSetFromSlice(items []string) *orderedStringSet {
-	oss := newOrderedStringSet()
-	oss.AddMany(items)
-	return oss
-}
-
-func newOrderedStringSet() *orderedStringSet {
-	return &orderedStringSet{item2index: make(map[string]int)}
-}
-
-func (oss *orderedStringSet) Add(item string) bool {
-	if _, ok := oss.item2index[item]; ok {
-		return false
-	}
-
-	oss.item2index[item] = len(oss.items)
-	oss.items = append(oss.items, item)
-	return true
-}
-
-func (oss *orderedStringSet) AddMany(items []string) {
-	for _, item := range items {
-		oss.Add(item)
-	}
-}
-
-func (oss *orderedStringSet) UniteWith(other *orderedStringSet) {
-	if other == oss {
-		return
-	}
-
-	oss.AddMany(other.items)
-}
-
-func (oss *orderedStringSet) Remove(item string) bool {
-	if i, ok := oss.item2index[item]; ok {
-		oss.items = append(oss.items[:i], oss.items[i+1:]...)
-		delete(oss.item2index, item)
-		return true
-	}
-
-	return false
-}
-
-func (oss *orderedStringSet) Len() int {
-	return len(oss.items)
-}
-
-func (oss *orderedStringSet) ToSlice() []string {
-	return append(([]string)(nil), oss.items...)
-}
-
-func (oss *orderedStringSet) Contains(item string) bool {
-	_, ok := oss.item2index[item]
-	return ok
-}
-
-func (oss *orderedStringSet) IsSupersetOf(other *orderedStringSet) bool {
-	if oss.Len() < other.Len() {
-		return false
-	}
-
-	for _, item := range other.items {
-		if !oss.Contains(item) {
-			return false
-		}
-	}
-
-	return true
-}
-
-func (oss *orderedStringSet) String() string {
-	return fmt.Sprintf("%v", oss.items)
-}