diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index c66944fe7d9bba66a8e337927a65cfd4dc702bec..33a164ceedead39dfba98fef9c83d6ea00d700e6 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: