diff --git a/modules/07_stl_containers/src/container_adapters.cpp b/modules/07_stl_containers/src/container_adapters.cpp
index 0771953..b229bab 100644
--- a/modules/07_stl_containers/src/container_adapters.cpp
+++ b/modules/07_stl_containers/src/container_adapters.cpp
@@ -1,7 +1,6 @@
 #include "container_adapters.hpp"
 
 #include <algorithm>
-#include <map>
 #include <set>
 
 namespace stl_containers {
@@ -42,11 +41,9 @@ auto simulate_queue(const std::vector<int>& arrivals) -> std::vector<int> {
 }
 
 auto top_k_largest(const std::vector<int>& data, const int k) -> std::vector<int> {;
-    auto v = std::vector<int>{};
-    std::ranges::for_each(data, [&v](const auto& p){v.push_back(p);});
     // Remove duplicates
-    std::set<int> s{v.begin(), v.end()};
-    v = std::vector<int>{s.begin(), s.end()};
+    std::set<int> s{data.begin(), data.end()};
+    auto v = std::vector<int>{s.begin(), s.end()};
     std::ranges::sort(v, std::ranges::greater{});
     v.resize(k);
     return v;