diff --git a/PostSignedObjects/KEK/TONGFANG/KEKUpdate_TONGFANG_PK31C22F2A.bin b/PostSignedObjects/KEK/TONGFANG/KEKUpdate_TONGFANG_PK31C22F2A.bin
deleted file mode 100644
index 6c0758b..0000000
Binary files a/PostSignedObjects/KEK/TONGFANG/KEKUpdate_TONGFANG_PK31C22F2A.bin and /dev/null differ
diff --git a/PostSignedObjects/KEK/kek_update_map.json b/PostSignedObjects/KEK/kek_update_map.json
index 7de01db..c7012e2 100644
--- a/PostSignedObjects/KEK/kek_update_map.json
+++ b/PostSignedObjects/KEK/kek_update_map.json
@@ -3636,14 +3636,6 @@
             "issued_by": "CN=OEM1 Test Certificate"
         }
     },
-    "31c22f2a60bc83a1e361ee6959b5cdd7f4940a5e": {
-        "KEKUpdate": "TONGFANG\\KEKUpdate_TONGFANG_PK31C22F2A.bin",
-        "Certificate": {
-            "serial_number": 24663bc83929aaac28419a3edca63bed893ff3d5,
-            "issued_to": "CN=AIStoneGlobal Platform Key 2024",
-            "issued_by": "CN=AIStoneGlobal Platform Key 2024"
-        }
-    },
     "60d059444e045a0795b636aeffac566a2f294ebe": {
         "KEKUpdate": "Twinhead\\KEKUpdate_Twinhead_PK1.bin",
         "Certificate": {