diff --git a/include/mimalloc-new-delete.h b/include/mimalloc-new-delete.h
index 050f9433..fded0c04 100644
--- a/include/mimalloc-new-delete.h
+++ b/include/mimalloc-new-delete.h
@@ -32,8 +32,8 @@ terms of the MIT license. A copy of the license can be found in the file
   void* operator new[](std::size_t n, const std::nothrow_t& tag) noexcept { (void)(tag); return mi_new_nothrow(n); }
 
   #if (__cplusplus >= 201402L || _MSC_VER >= 1916)
-  void operator delete  (void* p, std::size_t n) { mi_free_size(p,n); };
-  void operator delete[](void* p, std::size_t n) { mi_free_size(p,n); };
+  void operator delete  (void* p, std::size_t n) noexcept { mi_free_size(p,n); };
+  void operator delete[](void* p, std::size_t n) noexcept { mi_free_size(p,n); };
   #endif
 
   #if (__cplusplus > 201402L || defined(__cpp_aligned_new))