diff --git a/plugins/ch341a/fu-ch341a-cfi-device.c b/plugins/ch341a/fu-ch341a-cfi-device.c
index 55821807f..83495dea3 100644
--- a/plugins/ch341a/fu-ch341a-cfi-device.c
+++ b/plugins/ch341a/fu-ch341a-cfi-device.c
@@ -325,7 +325,6 @@ fu_ch341a_cfi_device_write_firmware(FuDevice *device,
 	g_autoptr(GBytes) fw = NULL;
 	g_autoptr(GBytes) fw_verify = NULL;
 	g_autoptr(GPtrArray) pages = NULL;
-	g_autoptr(FuDeviceLocker) cslocker = NULL;
 	g_autoptr(FuDeviceLocker) locker = NULL;
 
 	/* open programmer */