diff --git a/lib/protocol/deviceid.go b/lib/protocol/deviceid.go
index 7dd6efaf3..11ee13c51 100644
--- a/lib/protocol/deviceid.go
+++ b/lib/protocol/deviceid.go
@@ -214,18 +214,3 @@ func untypeoify(s string) string {
 	s = strings.ReplaceAll(s, "8", "B")
 	return s
 }
-
-// DeviceIDs is a sortable slice of DeviceID
-type DeviceIDs []DeviceID
-
-func (l DeviceIDs) Len() int {
-	return len(l)
-}
-
-func (l DeviceIDs) Less(a, b int) bool {
-	return l[a].Compare(l[b]) == -1
-}
-
-func (l DeviceIDs) Swap(a, b int) {
-	l[a], l[b] = l[b], l[a]
-}