diff --git a/Sources/AOC2018/day10.swift b/Sources/AOC2018/day10.swift
index b2e4f54..f6926a8 100644
--- a/Sources/AOC2018/day10.swift
+++ b/Sources/AOC2018/day10.swift
@@ -123,8 +123,8 @@ class Day10: AOCDay {
         """
 
     func testAlignInit() {
-        var algn = Align(withString: testData)
-        algn = Align(withFile: "/home/peterr/AOC2018/Sources/AOC2018/data/day10.txt")
+        let _ = Align(withString: testData)
+        let _ = Align(withFile: "/home/peterr/AOC2018/Sources/AOC2018/data/day10.txt")
     }
 
     func testAdvanceTime() {