diff --git a/example/main.go b/example/main.go
index 9cc4273..0f5356d 100644
--- a/example/main.go
+++ b/example/main.go
@@ -75,6 +75,5 @@ func initIntervals(xys []xy) interval.Intervals {
 			fmt.Printf("invalid interval discarded: %v\n", err)
 		}
 	}
-	intervals.Sort()
 	return intervals
 }