1 files changed, 0 insertions, 1 deletions
diff --git a/Day7.cs b/Day7.cs
index af66d03..a152ce3 100644
--- a/Day7.cs
+++ b/Day7.cs
@@ -1,5 +1,4 @@
 using aoc2019.lib;
-using System;
 using System.Collections.Generic;
 using System.Linq;