diff --git a/libfwupd/fwupd-bios-setting.c b/libfwupd/fwupd-bios-setting.c
index 22b5cac90..0b2766769 100644
--- a/libfwupd/fwupd-bios-setting.c
+++ b/libfwupd/fwupd-bios-setting.c
@@ -378,7 +378,6 @@ fwupd_bios_setting_map_possible_value(FwupdBiosSetting *self, const gchar *key,
 	FwupdBiosSettingPrivate *priv = GET_PRIVATE(self);
 	gboolean positive_key = FALSE;
 	gboolean negative_key = FALSE;
-	g_autofree gchar *result = NULL;
 	g_autofree gchar *lower_key = NULL;
 
 	g_return_val_if_fail(FWUPD_IS_BIOS_SETTING(self), NULL);