diff --git a/lib/luks2/luks2_internal.h b/lib/luks2/luks2_internal.h
index 842fec9d..f17b00ca 100644
--- a/lib/luks2/luks2_internal.h
+++ b/lib/luks2/luks2_internal.h
@@ -145,8 +145,6 @@ struct reenc_protection {
 	       REENC_PROTECTION_DATASHIFT } type;
 
 	union {
-	struct {
-	} none;
 	struct {
 		char hash[LUKS2_CHECKSUM_ALG_L];
 		struct crypt_hash *ch;