diff --git a/include/fmt/core.h b/include/fmt/core.h
index 14e8c914..dc0d840d 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -332,6 +332,11 @@ struct monostate {
   constexpr monostate() {}
 };
 
+// Eliminate "unused variable" warnings on all compilers.  The `(void)var` method
+// does not work on many intel compilers.  This is from Herb Sutter, "Shutting
+// up compiler warnings", https://herbsutter.com/2009/10/18/mailbag-shutting-up-compiler-warnings/
+template<class T> void ignore_unused( const T& ) { }
+
 // An enable_if helper to be used in template parameters which results in much
 // shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed
 // to workaround a bug in MSVC 2019 (see #1140 and #1186).
@@ -2731,7 +2736,7 @@ void check_format_string(S format_str) {
                                         remove_cvref_t<Args>...>;
   FMT_CONSTEXPR bool invalid_format =
       (parse_format_string<true>(s, checker(s, {})), true);
-  (void)invalid_format;
+  ignore_unused(invalid_format);
 }
 
 template <typename Char>