diff --git a/common/autoware_test_utils/src/autoware_test_utils.cpp b/common/autoware_test_utils/src/autoware_test_utils.cpp
index fe2d4fbe9351e..2c06d00263562 100644
--- a/common/autoware_test_utils/src/autoware_test_utils.cpp
+++ b/common/autoware_test_utils/src/autoware_test_utils.cpp
@@ -139,7 +139,6 @@ std::string get_absolute_path_to_lanelet_map(
   return dir + "/test_map/" + map_filename;
 }
 
-// cppcheck-suppress unusedFunction
 std::string get_absolute_path_to_route(
   const std::string & package_name, const std::string & route_filename)
 {