diff --git a/test/gurka/CMakeLists.txt b/test/gurka/CMakeLists.txt
index fd20e7806c..6e8a28733d 100644
--- a/test/gurka/CMakeLists.txt
+++ b/test/gurka/CMakeLists.txt
@@ -11,13 +11,10 @@ if(ENABLE_DATA_TOOLS)
   # "-Werror" flag
   # Avoid adding a filename to this list
   set(TESTS_WITH_WARNINGS
-    test_elevation.cc
     test_gtfs.cc
     test_instructions_roundabout.cc
-    test_landmarks.cc
     test_languages.cc
     test_locate.cc
-    test_match.cc
     test_multi_level_loki.cc
     test_osrm_serializer.cc
     test_pbf_api.cc
@@ -25,8 +22,6 @@ if(ENABLE_DATA_TOOLS)
     test_phonemes_w_langs.cc
     test_recost.cc
     test_time_tracking.cc
-    test_traffic.cc
-    test_traffic_smoothing.cc
     )
 
   ## Add executable targets
diff --git a/test/gurka/test_elevation.cc b/test/gurka/test_elevation.cc
index 0f7a8c7fe9..ba2916a019 100644
--- a/test/gurka/test_elevation.cc
+++ b/test/gurka/test_elevation.cc
@@ -220,7 +220,7 @@ TEST(Standalone, ElevationCompareToSkadi) {
     result.Parse(route_json.c_str());
 
     for (size_t leg_index = 0; leg_index < waypoints.size() - 1; ++leg_index) {
-      auto s =
+      [[maybe_unused]] auto s =
           rapidjson::get_child_optional(result, ("/trip/legs/" + std::to_string(leg_index) + "/shape")
                                                     .c_str());
 
diff --git a/test/gurka/test_landmarks.cc b/test/gurka/test_landmarks.cc
index c4855213e2..53eece209c 100644
--- a/test/gurka/test_landmarks.cc
+++ b/test/gurka/test_landmarks.cc
@@ -620,7 +620,7 @@ TEST(LandmarkTest, TestLandmarksInManeuvers) {
           "Checking landmarks in maneuver failed: cannot find the maneuver in the expected result!");
     }
     ASSERT_EQ(result_landmarks.size(), expected->second.size());
-    for (auto i = 0; i < result_landmarks.size(); ++i) {
+    for (size_t i = 0; i < result_landmarks.size(); ++i) {
       EXPECT_EQ(result_landmarks[i], expected->second[i]);
     }
   }
diff --git a/test/gurka/test_match.cc b/test/gurka/test_match.cc
index 3198b862c5..3be216b114 100644
--- a/test/gurka/test_match.cc
+++ b/test/gurka/test_match.cc
@@ -262,8 +262,9 @@ uint32_t speed_from_edge(const valhalla::Api& api, bool compare_with_previous_ed
               node.cost().elapsed_cost().seconds() - node.cost().transition_cost().seconds()) /
              3600.0;
     auto new_kmh = static_cast<uint32_t>(km / h + .5);
-    if (is_valid(kmh) && compare_with_previous_edge)
+    if (is_valid(kmh) && compare_with_previous_edge) {
       EXPECT_EQ(kmh, new_kmh);
+    }
     kmh = new_kmh;
   }
   return kmh;
diff --git a/test/gurka/test_traffic.cc b/test/gurka/test_traffic.cc
index 613852a869..411cde3707 100644
--- a/test/gurka/test_traffic.cc
+++ b/test/gurka/test_traffic.cc
@@ -296,8 +296,6 @@ TEST(Traffic, CutGeoms) {
                                          uint32_t index, baldr::TrafficSpeed* current) -> void {
         baldr::GraphId tile_id(tile.header->tile_id);
         auto BD = gurka::findEdge(reader, map.nodes, "BD", "D", tile_id);
-        baldr::TrafficSpeed* existing =
-            const_cast<valhalla::baldr::TrafficSpeed*>(tile.speeds + index);
         current->breakpoint1 = 255;
         if (std::get<1>(BD) != nullptr && std::get<0>(BD).id() == index) {
           current->overall_encoded_speed = 0;
diff --git a/test/gurka/test_traffic_smoothing.cc b/test/gurka/test_traffic_smoothing.cc
index ef31753916..1f3d76fa40 100644
--- a/test/gurka/test_traffic_smoothing.cc
+++ b/test/gurka/test_traffic_smoothing.cc
@@ -558,7 +558,7 @@ class MapMatchWithTraffic : public ::testing::Test {
       traffic_speed->breakpoint1 = 255;
     });
 
-    test::customize_historical_traffic(map.config, [](DirectedEdge& e) {
+    test::customize_historical_traffic(map.config, [](DirectedEdge&) {
       // speeds for every 5 min bucket of the week
       std::array<float, kBucketsPerWeek> historical;
       historical.fill(6);