diff --git a/Library/OSRM.h b/Library/OSRM.h
index 5e3480249..372e82c39 100644
--- a/Library/OSRM.h
+++ b/Library/OSRM.h
@@ -46,7 +46,7 @@ class OSRM
     std::unique_ptr<OSRM_impl> OSRM_pimpl_;
 
   public:
-    explicit OSRM(const ServerPaths &paths, const bool use_shared_memory = false);
+    explicit OSRM(ServerPaths paths, const bool use_shared_memory = false);
     ~OSRM();
     void RunQuery(RouteParameters &route_parameters, http::Reply &reply);
 };
diff --git a/Library/OSRM_impl.cpp b/Library/OSRM_impl.cpp
index 0bbdc7da7..b1c7ef2fb 100644
--- a/Library/OSRM_impl.cpp
+++ b/Library/OSRM_impl.cpp
@@ -58,8 +58,7 @@ namespace boost { namespace interprocess { class named_mutex; } }
 #include <utility>
 #include <vector>
 
-OSRM_impl::OSRM_impl(const ServerPaths &paths, const bool use_shared_memory)
-    : server_paths(paths)
+OSRM_impl::OSRM_impl(ServerPaths server_paths, const bool use_shared_memory)
 {
     if (use_shared_memory)
     {
@@ -158,7 +157,7 @@ void OSRM_impl::RunQuery(RouteParameters &route_parameters, http::Reply &reply)
 
 // proxy code for compilation firewall
 
-OSRM::OSRM(const ServerPaths &paths, const bool use_shared_memory)
+OSRM::OSRM(ServerPaths paths, const bool use_shared_memory)
     : OSRM_pimpl_(osrm::make_unique<OSRM_impl>(paths, use_shared_memory))
 {
 }
diff --git a/Library/OSRM_impl.h b/Library/OSRM_impl.h
index 38b919a8d..803a5b065 100644
--- a/Library/OSRM_impl.h
+++ b/Library/OSRM_impl.h
@@ -48,7 +48,7 @@ class OSRM_impl
     using PluginMap = std::unordered_map<std::string, BasePlugin *>;
 
   public:
-    OSRM_impl(const ServerPaths &paths, const bool use_shared_memory);
+    OSRM_impl(ServerPaths paths, const bool use_shared_memory);
     OSRM_impl(const OSRM_impl &) = delete;
     virtual ~OSRM_impl();
     void RunQuery(RouteParameters &route_parameters, http::Reply &reply);
@@ -56,7 +56,6 @@ class OSRM_impl
   private:
     void RegisterPlugin(BasePlugin *plugin);
     PluginMap plugin_map;
-    ServerPaths server_paths;
     bool use_shared_memory;
     SharedBarriers *barrier;
     // base class pointer to the objects