diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 6555a475453b882d2970c7ae4b16b5c4eb3286cf..1a9f53e535ca8ba87adc9b1af2bc761f128e56a0 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -68,7 +68,6 @@ static void alloc_string(const char *str, int size)
 }
 %}
 
-ws	[ \n\t]
 n	[A-Za-z0-9_]
 
 %%