diff --git a/day5/src/main.cpp b/day5/src/main.cpp
index 18c232c..ecd25d5 100644
--- a/day5/src/main.cpp
+++ b/day5/src/main.cpp
@@ -4,7 +4,6 @@
 #include <fstream>
 #include <iostream>
 #include <iterator>
-#include <numeric>
 #include <vector>
 
 typedef std::vector<std::tuple<long, long>> IngredientRanges;