diff --git a/.gitignore b/.gitignore
index 8aa91ad..03aa558 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@
 build/*
 imgui.ini
 
+*.pyc
+
 dist/*
 small_gicp.egg-info/*
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c363e34..fa51c7f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -117,7 +117,7 @@ if(BUILD_BENCHMARKS)
 
   # Odometry benchmark
   add_executable(odometry_benchmark
-    src/small_gicp/util/benchmark_odom.cpp
+    src/small_gicp/benchmark/benchmark_odom.cpp
     src/benchmark/odometry_benchmark_pcl.cpp
     src/benchmark/odometry_benchmark_fast_gicp.cpp
     src/benchmark/odometry_benchmark_fast_vgicp.cpp
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..f90e99e
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,6 @@
+ignore:
+  - "include/small_gicp/benchmark/*"
+  - "src/test/*"
+  - "src/example/*"
+  - "src/benchmark/*"
+  - "src/small_gicp/benchmark/*"
diff --git a/src/small_gicp/util/benchmark_odom.cpp b/src/small_gicp/benchmark/benchmark_odom.cpp
similarity index 100%
rename from src/small_gicp/util/benchmark_odom.cpp
rename to src/small_gicp/benchmark/benchmark_odom.cpp