diff --git a/winsup/cygwin/cxx.cc b/winsup/cygwin/cxx.cc
index df7491b42..ea78e75e6 100644
--- a/winsup/cygwin/cxx.cc
+++ b/winsup/cygwin/cxx.cc
@@ -29,11 +29,15 @@ operator delete (void *p)
 {
   free (p);
 }
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wc++14-compat"
 void
 operator delete (void *p, size_t)
 {
   ::operator delete(p);
 }
+#pragma GCC diagnostic pop
 
 void *
 operator new[] (std::size_t s)