diff --git a/openapi/tcr_openapi.yaml b/openapi/tcr_openapi.yaml
index 8744591fb0a4e33a30fe7b1c69a75b48026351a3..800c01d0a678071b98257631eadd8934d3c103a6 100644
--- a/openapi/tcr_openapi.yaml
+++ b/openapi/tcr_openapi.yaml
@@ -9,14 +9,11 @@ info:
     url: https://www.apache.org/licenses/LICENSE-2.0.html
   version: 1.0.0
 servers:
-  - url: {protocol}://{tcr-address}/tcr/v1
+  - url: https://{tcr-address}/tcr/v1
     variables:
       tcr-address:
         default: tcr.train.xfsc.dev
         description: TCR host/port
-      protocol:
-        default: https
-        description: TCR host/port
     description: TRAIN XFSC test environment
     
 components: