diff --git a/firmware/stub/vboot_api_stub.c b/firmware/stub/vboot_api_stub.c
index d1b00fa..7320b6c 100644
--- a/firmware/stub/vboot_api_stub.c
+++ b/firmware/stub/vboot_api_stub.c
@@ -173,8 +173,3 @@
 {
 	return 0;
 }
-
-VbError_t VbExEcVbootDone(void)
-{
-	return VBERROR_SUCCESS;
-}