diff --git a/common/settings.cc b/common/settings.cc
index 2e3a1daf9f576..055d1ec54da57 100644
--- a/common/settings.cc
+++ b/common/settings.cc
@@ -16,54 +16,4 @@ Settings::Settings(const Settings& other) = default;
 
 Settings::~Settings() = default;
 
-std::string Settings::ToString() const {
-  std::stringstream stream;
-  stream << "Settings: " << std::endl;
-  stream << "vm_snapshot_data_path: " << vm_snapshot_data_path << std::endl;
-  stream << "vm_snapshot_instr_path: " << vm_snapshot_instr_path << std::endl;
-  stream << "isolate_snapshot_data_path: " << isolate_snapshot_data_path
-         << std::endl;
-  stream << "isolate_snapshot_instr_path: " << isolate_snapshot_instr_path
-         << std::endl;
-  stream << "application_library_path:" << std::endl;
-  for (const auto& path : application_library_path) {
-    stream << "    " << path << std::endl;
-  }
-  stream << "temp_directory_path: " << temp_directory_path << std::endl;
-  stream << "dart_flags:" << std::endl;
-  for (const auto& dart_flag : dart_flags) {
-    stream << "    " << dart_flag << std::endl;
-  }
-  stream << "start_paused: " << start_paused << std::endl;
-  stream << "trace_skia: " << trace_skia << std::endl;
-  stream << "trace_startup: " << trace_startup << std::endl;
-  stream << "trace_systrace: " << trace_systrace << std::endl;
-  stream << "dump_skp_on_shader_compilation: " << dump_skp_on_shader_compilation
-         << std::endl;
-  stream << "cache_sksl: " << cache_sksl << std::endl;
-  stream << "purge_persistent_cache: " << purge_persistent_cache << std::endl;
-  stream << "endless_trace_buffer: " << endless_trace_buffer << std::endl;
-  stream << "enable_dart_profiling: " << enable_dart_profiling << std::endl;
-  stream << "disable_dart_asserts: " << disable_dart_asserts << std::endl;
-  stream << "enable_serial_gc: " << enable_serial_gc << std::endl;
-  stream << "enable_observatory: " << enable_observatory << std::endl;
-  stream << "enable_observatory_publication: " << enable_observatory_publication
-         << std::endl;
-  stream << "observatory_host: " << observatory_host << std::endl;
-  stream << "observatory_port: " << observatory_port << std::endl;
-  stream << "use_test_fonts: " << use_test_fonts << std::endl;
-  stream << "enable_software_rendering: " << enable_software_rendering
-         << std::endl;
-  stream << "log_tag: " << log_tag << std::endl;
-  stream << "icu_initialization_required: " << icu_initialization_required
-         << std::endl;
-  stream << "icu_data_path: " << icu_data_path << std::endl;
-  stream << "assets_dir: " << assets_dir << std::endl;
-  stream << "assets_path: " << assets_path << std::endl;
-  stream << "frame_rasterized_callback set: " << !!frame_rasterized_callback
-         << std::endl;
-  stream << "old_gen_heap_size: " << old_gen_heap_size << std::endl;
-  return stream.str();
-}
-
 }  // namespace flutter
diff --git a/common/settings.h b/common/settings.h
index 31b16fa931064..1491e4a6fd46e 100644
--- a/common/settings.h
+++ b/common/settings.h
@@ -294,8 +294,6 @@ struct Settings {
   /// on the clock used by the Dart timeline APIs. This timestamp is used
   /// to log a timeline event that tracks the latency of engine startup.
   std::chrono::microseconds engine_start_timestamp = {};
-
-  std::string ToString() const;
 };
 
 }  // namespace flutter