diff --git a/.github/workflows/bump-version-only-for-standalone-embed-milvus.yaml b/.github/workflows/bump-version-only-for-standalone-embed-milvus.yaml
index 0b7725a0a9094..d5a150e6b85f8 100644
--- a/.github/workflows/bump-version-only-for-standalone-embed-milvus.yaml
+++ b/.github/workflows/bump-version-only-for-standalone-embed-milvus.yaml
@@ -7,10 +7,6 @@ on:
         description: "the milvus image tag"
         required: true
         type: string
-      oldImageTag:
-        description: "the milvus old image tag"
-        required: true
-        type: string
 
 jobs:
   update-knowhere-commits: