diff --git a/src/utils.cpp b/src/utils.cpp
index f34551d..d685c7b 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -8,32 +8,3 @@ void trim(std::string &str) {
   str.erase(str.find_last_not_of('"') + 1);
   str.erase(0, str.find_first_not_of('"'));
 }
-
-std::set<std::string> convert_string_to_set(std::string input) {
-  std::set<std::string> result;
-  std::string buffer;
-  size_t left, right;
-  left = input.find_first_of('[');
-  right = input.find_last_of(']');
-
-  if (left == std::string::npos || right == std::string::npos ||
-      right <= left) {
-    return result;
-  }
-
-  input = input.substr(left + 1, right - left - 1);
-
-  std::stringstream ss(input);
-
-  while (getline(ss, buffer, ',')) {
-    buffer.erase(0, buffer.find_first_not_of(" \t"));
-    buffer.erase(buffer.find_last_not_of(" \t") + 1);
-
-    if (buffer.size() >= 2 && buffer.front() == '"' && buffer.back() == '"') {
-      buffer = buffer.substr(1, buffer.size() - 2);
-      result.insert(buffer);
-    }
-  }
-
-  return result;
-}