diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 98aad534a6820662217b648f9fa437126ab0060f..ddee5fc51811d93aeee760adf9c9b31e68c967c0 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -1,5 +1,5 @@
-%option backup nostdinit noyywrap never-interactive full ecs
-%option 8bit backup nodefault perf-report perf-report
+%option nostdinit noyywrap never-interactive full ecs
+%option 8bit nodefault perf-report perf-report
 %option noinput
 %x COMMAND HELP STRING PARAM
 %{