1 files changed, 1 insertions, 26 deletions
diff --git a/internal/feed/feed.go b/internal/feed/feed.go
index b4d514b..a43b7e9 100644
--- a/internal/feed/feed.go
+++ b/internal/feed/feed.go
@@ -9,8 +9,7 @@ import (
 )
 
 const (
-  MitreFormat = iota    // MITRE data format
-  DataVersion40   // Version 4.0
+  DataVersion40 = iota // Version 4.0
 
   OrNodeOp        // OR operator
   AndNodeOp       // And operator
@@ -43,30 +42,6 @@ const (
 
 // TODO: parse cpe
 
-// Data format for NVD feeds and feed items.
-type DataFormat int
-
-// Unmarshal DataFormat from JSON.
-func (me *DataFormat) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "MITRE":
-    *me = MitreFormat
-  default:
-    // return error
-    return fmt.Errorf("unknown data format: %s", s)
-  }
-
-  // return success
-  return nil
-}
-
 // Data version for NVD feeds and feed items.
 type DataVersion int