diff --git a/include/nlohmann/detail/macro_scope.hpp b/include/nlohmann/detail/macro_scope.hpp
index e9eba73a4..8bf0633fb 100644
--- a/include/nlohmann/detail/macro_scope.hpp
+++ b/include/nlohmann/detail/macro_scope.hpp
@@ -26,6 +26,7 @@ template<typename T>
 #if defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND) || defined(EXCEPTIONS)
     throw std::forward<T>(exception);
 #else
+    (void)exception;
     std::abort();
 #endif
 }
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index f904da159..94768c22d 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -2392,6 +2392,7 @@ template<typename T>
 #if defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND) || defined(EXCEPTIONS)
     throw std::forward<T>(exception);
 #else
+    (void)exception;
     std::abort();
 #endif
 }