diff --git a/include/fmt/core.h b/include/fmt/core.h
index 7856ea21..0d1b5523 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -80,16 +80,6 @@
 #  define FMT_CONSTEXPR11
 #endif
 
-#ifndef FMT_USE_MAYBE_UNUSED
-#  define FMT_USE_MAYBE_UNUSED \
-    (__cplusplus >= 201703L)
-#endif
-#if FMT_USE_MAYBE_UNUSED
-#  define FMT_MAYBE_UNUSED [[maybe_unused]]
-#else
-#  define FMT_MAYBE_UNUSED
-#endif
-
 #ifndef FMT_OVERRIDE
 #  if FMT_HAS_FEATURE(cxx_override) || \
       (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900