Index: test/std/utilities/function.objects/func.invoke/invoke.pass.cpp
===================================================================
--- test/std/utilities/function.objects/func.invoke/invoke.pass.cpp
+++ test/std/utilities/function.objects/func.invoke/invoke.pass.cpp
@@ -326,6 +326,7 @@
 void noexcept_test() {
     {
         NoThrowCallable obj;
+        ((void)obj); // Prevent unused warning
         CopyThrows arg;
         static_assert(noexcept(std::invoke(obj)), "");
         static_assert(!noexcept(std::invoke(obj, arg)), "");
@@ -333,6 +334,7 @@
     }
     {
         ThrowsCallable obj;
+        ((void)obj); // Prevent unused warning
         static_assert(!noexcept(std::invoke(obj)), "");
     }
     {