diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index d1d15e7efb3ca6ede9e6100b8cfa6fe16426e14f..5ca23564f9e9962821e4e657e082d08b908bab4e 100755
--- a/OpenAPI/TS28541_SliceNrm.yaml
+++ b/OpenAPI/TS28541_SliceNrm.yaml
@@ -374,8 +374,6 @@ components:
           type: integer
         reliability:
           type: number
-        sST:
-          $ref: 'TS28541_NrNrm.yaml#/components/schemas/Sst'
         dLMaxPktSize:
           type: integer
         uLMaxPktSize:
@@ -449,8 +447,6 @@ components:
           type: integer
         reliability:
           type: number
-        sST:
-          $ref: 'TS28541_NrNrm.yaml#/components/schemas/Sst'
         dLDeterministicComm:
           $ref: '#/components/schemas/DeterministicComm'
         uLDeterministicComm: