diff --git a/src/day7.cpp b/src/day7.cpp
index 2945334..821668f 100644
--- a/src/day7.cpp
+++ b/src/day7.cpp
@@ -76,8 +76,6 @@ void insert_or_increment(std::map<size_t, uint64_t> &cols, size_t col,
 uint64_t part_2(const Grid &grid) {
   Location start = find_start(grid);
   const auto [start_row, start_col]{start};
-  using namespace std::ranges::views;
-
   using namespace std::ranges;
   auto view = iota_view{start_row, grid.size()};
   std::map<size_t, uint64_t> starting_cols{{start_col, 1}};