diff -Naur a/config/system-headers.mozbuild b/config/system-headers.mozbuild
--- a/config/system-headers.mozbuild	2023-07-04 13:57:53.418421221 +0300
+++ b/config/system-headers.mozbuild	2023-07-04 13:58:41.177179152 +0300
@@ -227,7 +227,6 @@
     'execinfo.h',
     'extras.h',
     'fcntl.h',
-    'features.h',
     'fenv.h',
     'ffi.h',
     'fibdef.h',