diff --git a/openapi.json b/openapi.json
index ec6d4cb..334a0dd 100644
--- a/openapi.json
+++ b/openapi.json
@@ -88,8 +88,7 @@
           "signed_attributes",
           "signature",
           "encapsulated_content",
-          "pem_file",
-          "dg15"
+          "pem_file"
         ],
         "properties": {
           "hash_algorithm": {
diff --git a/openapi.yaml b/openapi.yaml
index 77e423d..3f6cea1 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -58,7 +58,6 @@ components:
         - signature
         - encapsulated_content
         - pem_file
-        - dg15
       properties:
         hash_algorithm:
           type: string