diff --git a/rest-api/resources/src/main/resources/openapi/dataChannel/dataChannel.yaml b/rest-api/resources/src/main/resources/openapi/dataChannel/dataChannel.yaml
index 5f2e3e6dc31..8115a7bad41 100644
--- a/rest-api/resources/src/main/resources/openapi/dataChannel/dataChannel.yaml
+++ b/rest-api/resources/src/main/resources/openapi/dataChannel/dataChannel.yaml
@@ -21,7 +21,6 @@ components:
       description: The ID of the ChannelInfo on which to perform the operation
       schema:
         type: string
-        format: base64
       required: true
   schemas:
     channelInfo: