diff --git a/include/nlohmann/detail/input/json_sax.hpp b/include/nlohmann/detail/input/json_sax.hpp
index ae6a6cbe2..223acd60e 100644
--- a/include/nlohmann/detail/input/json_sax.hpp
+++ b/include/nlohmann/detail/input/json_sax.hpp
@@ -263,6 +263,7 @@ class json_sax_dom_parser
                      const Exception& ex)
     {
         errored = true;
+        static_cast<void>(ex);
         if (allow_exceptions)
         {
             JSON_THROW(ex);
@@ -501,6 +502,7 @@ class json_sax_dom_callback_parser
                      const Exception& ex)
     {
         errored = true;
+        static_cast<void>(ex);
         if (allow_exceptions)
         {
             JSON_THROW(ex);
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 8743c76b6..757749a74 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -5442,6 +5442,7 @@ class json_sax_dom_parser
                      const Exception& ex)
     {
         errored = true;
+        static_cast<void>(ex);
         if (allow_exceptions)
         {
             JSON_THROW(ex);
@@ -5680,6 +5681,7 @@ class json_sax_dom_callback_parser
                      const Exception& ex)
     {
         errored = true;
+        static_cast<void>(ex);
         if (allow_exceptions)
         {
             JSON_THROW(ex);