diff --git a/metadata/file_version.go b/metadata/file_version.go
index d2572e4..abcdb4e 100644
--- a/metadata/file_version.go
+++ b/metadata/file_version.go
@@ -111,24 +111,4 @@ func (fv *FileVersion) CID() *encoding.CID {
 		return fv.PlaintextCID
 	}
 	return &fv.EncryptedCID.OriginalCID
-} /*
-func (fv *FileVersion) UnmarshalJSON(data []byte) error {
-	type tempFileVersion FileVersion
-
-	tvf := &tempFileVersion{}
-
-	// Initialize your properties, for example, to their zero values
-	tvf.Ts = 0
-	tvf.EncryptedCID = &encoding.EncryptedCID{}
-	tvf.PlaintextCID = &encoding.CID{}
-	tvf.Thumbnail = &FileVersionThumbnail{}
-	tvf.Hashes = []*encoding.Multihash{}
-	tvf.Ext = map[string]interface{}{}
-
-	// Define a temporary struct with the same structure as FileVersion
-
-	var result map[string]interface{}
-	// Unmarshal data into the temporary struct
-	if err := json.Unmarshal(data, &result); err != nil {
-		return err
-	}
+}