diff --git a/rosbag2_cpp/test/rosbag2_cpp/test_storage_without_metadata_file.cpp b/rosbag2_cpp/test/rosbag2_cpp/test_storage_without_metadata_file.cpp
index 749f122839..bae30812f2 100644
--- a/rosbag2_cpp/test/rosbag2_cpp/test_storage_without_metadata_file.cpp
+++ b/rosbag2_cpp/test/rosbag2_cpp/test_storage_without_metadata_file.cpp
@@ -34,7 +34,6 @@ using namespace testing;  // NOLINT
 
 namespace
 {
-constexpr const char kTopicName[] = "topic";
 constexpr const char kStorageId[] = "StoragePlugin";
 constexpr const char kRmwFormat[] = "rmw1_format";
 }  // namespace