diff --git a/meson.build b/meson.build
index c877eb827ba..b9cba649414 100644
--- a/meson.build
+++ b/meson.build
@@ -926,7 +926,6 @@ endforeach
 _attributes = [
   'const', 'flatten', 'malloc', 'pure', 'unused', 'warn_unused_result',
   'weak', 'format', 'packed', 'returns_nonnull', 'alias', 'noreturn',
-  'nonnull',
 ]
 foreach a : cc.get_supported_function_attributes(_attributes)
   pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
diff --git a/src/util/macros.h b/src/util/macros.h
index 0bf1dac413f..bffabfb52a8 100644
--- a/src/util/macros.h
+++ b/src/util/macros.h
@@ -317,12 +317,6 @@ do {                       \
 #define ASSERTED
 #endif
 
-#ifdef HAVE_FUNC_ATTRIBUTE_NONNULL
-#define NONNULL __attribute__((__nonnull__))
-#else
-#define NONNULL
-#endif
-
 #ifdef HAVE_FUNC_ATTRIBUTE_WARN_UNUSED_RESULT
 #define MUST_CHECK __attribute__((warn_unused_result))
 #else