diff --git a/src/caliper/ConfigManager.cpp b/src/caliper/ConfigManager.cpp
index ad98aa86..47057b3c 100644
--- a/src/caliper/ConfigManager.cpp
+++ b/src/caliper/ConfigManager.cpp
@@ -311,147 +311,6 @@ void add_metadata(const std::string &args, info_map_t &info) {
   }
 }
 
-ConfigManager::arglist_t parse_keyval_list(std::istream &is) {
-  ConfigManager::arglist_t ret;
-  char c = 0;
-
-  do {
-    std::string key = util::read_word(is, "=");
-    if (key.empty())
-      return ret;
-
-    c = util::read_char(is);
-    if (c != '=')
-      return ret;
-
-    std::string val = util::read_word(is, ",()");
-    if (!val.empty())
-      ret.push_back(std::make_pair(key, val));
-
-    c = util::read_char(is);
-  } while (is.good() && c == ',');
-
-  if (is.good())
-    is.unget();
-
-  return ret;
-}
-
-std::pair<bool, StringConverter>
-find_key_in_json(const std::vector<std::string> &path,
-                 const std::map<std::string, StringConverter> &dict) {
-  if (path.empty())
-    return std::make_pair(false, StringConverter());
-
-  auto it = dict.find(path.front());
-  if (it == dict.end())
-    return std::make_pair(false, StringConverter());
-
-  if (path.size() == 1)
-    return std::make_pair(true, it->second);
-
-  StringConverter ret = it->second;
-  for (auto path_it = path.begin() + 1; path_it != path.end(); ++path_it) {
-    auto sub_dict = ret.rec_dict();
-    it = sub_dict.find(*path_it);
-    if (it == sub_dict.end())
-      return std::make_pair(false, StringConverter());
-    ret = it->second;
-  }
-
-  return std::make_pair(true, ret);
-}
-
-unsigned add_metadata_entries(const std::string &key,
-                              const StringConverter &val, info_map_t &info) {
-  unsigned num_entries = 0;
-
-  bool is_dict = false;
-  auto dict = val.rec_dict(&is_dict);
-
-  if (is_dict) {
-    std::string prefix = key + ".";
-    for (const auto &p : dict)
-      num_entries += add_metadata_entries(prefix + p.first, p.second, info);
-  } else {
-    info[key] = val.to_string();
-    ++num_entries;
-  }
-
-  return num_entries;
-}
-
-void read_metadata_from_json_file(const std::string &filename,
-                                  const std::string &keys, info_map_t &info) {
-  std::ifstream is(filename.c_str(), std::ios::ate);
-
-  if (!is) {
-    Log(0).stream() << "read_metadata_from_json_file(): Cannot open file "
-                    << filename << ", quitting\n";
-    return;
-  }
-
-  auto size = is.tellg();
-  std::string str(size, '\0');
-  is.seekg(0);
-  if (!is.read(&str[0], size)) {
-    Log(0).stream() << "read_metadata_from_json_file(): Cannot read file "
-                    << filename << ", quitting\n";
-    return;
-  }
-
-  bool ok = false;
-  auto top = StringConverter(str).rec_dict(&ok);
-
-  if (!ok) {
-    Log(0).stream()
-        << "read_metadata_from_json_file(): Cannot parse top-level dict in "
-        << filename << ", quitting\n";
-    return;
-  }
-
-  auto keylist = StringConverter(keys).to_stringlist();
-  if (keylist.empty()) {
-    for (const auto &p : top)
-      keylist.push_back(p.first);
-  }
-
-  for (const std::string &key : keylist) {
-    std::vector<std::string> path = StringConverter(key).to_stringlist(".");
-    auto ret = find_key_in_json(path, top);
-    if (ret.first)
-      add_metadata_entries(key, ret.second, info);
-    else
-      Log(1).stream() << "read_metadata_from_json_file(): Key " << key
-                      << " not found\n";
-  }
-}
-
-void add_metadata(const std::string &args, info_map_t &info) {
-  std::istringstream is(args);
-  auto arglist = parse_keyval_list(is);
-
-  auto it = std::find_if(arglist.begin(), arglist.end(),
-                         [](const std::pair<std::string, std::string> &p) {
-                           return p.first == "file";
-                         });
-
-  if (it != arglist.end()) {
-    std::string filename = it->second;
-    std::string keys;
-    it = std::find_if(arglist.begin(), arglist.end(),
-                      [](const std::pair<std::string, std::string> &p) {
-                        return p.first == "keys";
-                      });
-    if (it != arglist.end())
-      keys = it->second;
-    read_metadata_from_json_file(filename, keys, info);
-  } else {
-    for (const auto &p : arglist)
-      info[p.first] = p.second;
-  }
-}
-
 } // namespace
 
 //