4 files changed, 9 insertions, 3 deletions
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/UTypes.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/UTypes.pass.cpp
index 06284df56642..fed27aa84ff6 100644
--- a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/UTypes.pass.cpp
+++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/UTypes.pass.cpp
@@ -147,6 +147,7 @@ int main()
 #if TEST_STD_VER > 11
     {
         constexpr std::tuple<Empty> t0{Empty()};
+        (void)t0;
     }
     {
         constexpr std::tuple<A, A> t(3, 2);
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc.pass.cpp
index b262f3cacecf..bf66da1626a0 100644
--- a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc.pass.cpp
+++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc.pass.cpp
@@ -102,6 +102,8 @@ int main()
         using T = NonDefaultConstructible<>;
         T v(42);
         std::tuple<T, T> t(v, v);
+        (void)t;
         std::tuple<T, T> t2(42, 42);
+        (void)t2;
     }
 }
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp
index fa2f116f7718..731946608bab 100644
--- a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp
+++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp
@@ -49,6 +49,7 @@ int main()
 {
     {
         std::tuple<> t;
+        (void)t;
     }
     {
         std::tuple<int> t;
@@ -88,6 +89,7 @@ int main()
     }
     {
         constexpr std::tuple<> t;
+        (void)t;
     }
     {
         constexpr std::tuple<int> t;
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/implicit_deduction_guides.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/implicit_deduction_guides.pass.cpp
index 7b9c061b3ae8..85036b59186d 100644
--- a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/implicit_deduction_guides.pass.cpp
+++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/implicit_deduction_guides.pass.cpp
@@ -15,10 +15,11 @@
 // against libstdc++.
 // XFAIL: gcc
 
-// <string>
+// <tuple>
 
-// Test that the constructors offered by std::basic_string are formulated
-// so they're compatible with implicit deduction guides.
+// Test that the constructors offered by std::tuple are formulated
+// so they're compatible with implicit deduction guides, or if that's not
+// possible that they provide explicit guides to make it work.
 
 #include <tuple>
 #include <memory>