diff --git a/OptiScaler/Util.cpp b/OptiScaler/Util.cpp
index f7083b20..cebd5af6 100644
--- a/OptiScaler/Util.cpp
+++ b/OptiScaler/Util.cpp
@@ -363,7 +363,7 @@ bool Util::IsSubpath(const std::filesystem::path& path, const std::filesystem::p
 }
 
 std::optional<std::filesystem::path> Util::FindFilePath(const std::filesystem::path& startDir,
-                                                        const std::filesystem::path fileName)
+                                                        const std::filesystem::path& fileName)
 {
     std::filesystem::path optiPath(Config::Instance()->MainDllPath.value());
     auto normalizedOptiPath = optiPath.lexically_normal();
diff --git a/OptiScaler/Util.h b/OptiScaler/Util.h
index e9b22839..7f3176ce 100644
--- a/OptiScaler/Util.h
+++ b/OptiScaler/Util.h
@@ -73,8 +73,7 @@ std::string GetWindowsName(const OSVERSIONINFOW& os);
 std::wstring GetExeProductName();
 std::wstring GetWindowTitle(HWND hwnd);
 std::optional<std::filesystem::path> FindFilePath(const std::filesystem::path& startDir,
-                                                  const std::filesystem::path fileName);
-std::optional<std::filesystem::path> WhoIsTheCallerPath(void* returnAddress);
+                                                  const std::filesystem::path& fileName);
 std::string WhoIsTheCaller(void* returnAddress);
 HMODULE GetCallerModule(void* returnAddress);
 MonitorInfo GetMonitorInfoForWindow(HWND hwnd);