diff --git a/sycl/source/detail/plugin.hpp b/sycl/source/detail/plugin.hpp
index 3a44b23091320..22f9ed96cb589 100644
--- a/sycl/source/detail/plugin.hpp
+++ b/sycl/source/detail/plugin.hpp
@@ -221,7 +221,9 @@ class plugin {
   // represents the unique ids of the last device of each platform
   // index of this vector corresponds to the index in UrPlatforms vector.
   std::vector<int> LastDeviceIds;
+#ifdef _WIN32
   void *UrLoaderHandle = nullptr;
+#endif
   UrFuncPtrMapT UrFuncPtrs;
 }; // class plugin