diff --git a/arch/s390/tools/gen_facilities.c b/arch/s390/tools/gen_facilities.c
index be63fbd699fd..cfe3f76bc2de 100644
--- a/arch/s390/tools/gen_facilities.c
+++ b/arch/s390/tools/gen_facilities.c
@@ -35,7 +35,6 @@ static struct facility_def facility_defs[] = {
 #endif
 #ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
 			7,  /* stfle */
-			17, /* message security assist */
 			21, /* extended-immediate facility */
 			25, /* store clock fast */
 #endif