diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index c5e8053..386b895 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -122,9 +122,9 @@ void onDestroy(Arena::ArenaImpl *impl) {
   }
 }
 
-Arena::Arena(Arena &&other) noexcept
+[[maybe_unused]] Arena::Arena(Arena &&other) noexcept
     : impl(std::exchange(other.impl, nullptr)) {}
-Arena &Arena::operator=(Arena &&other) noexcept {
+[[maybe_unused]] Arena &Arena::operator=(Arena &&other) noexcept {
   onDestroy(impl);
   impl = std::exchange(other.impl, nullptr);
   return *this;