diff --git a/models/yang/mano-types.yang b/models/yang/mano-types.yang
index 7784d5c..34d7782 100644
--- a/models/yang/mano-types.yang
+++ b/models/yang/mano-types.yang
@@ -1180,108 +1180,6 @@
     }
   }
 
-  grouping ns-service-primitive {
-    list service-primitive {
-      description
-          "Network service level service primitives.";
-
-      key "name";
-
-      leaf name {
-        description
-            "Name of the service primitive.";
-        type string;
-      }
-
-      list parameter {
-        description
-            "List of parameters for the service primitive.";
-
-        key "name";
-        uses manotypes:primitive-parameter;
-      }
-
-      list parameter-group {
-        description
-            "Grouping of parameters which are logically grouped in UI";
-        key "name";
-
-        leaf name {
-          description
-              "Name of the parameter group";
-          type string;
-        }
-
-        list parameter {
-          description
-              "List of parameters for the service primitive.";
-          key "name";
-          uses manotypes:primitive-parameter;
-        }
-
-        leaf mandatory {
-          description "Is this parameter group mandatory";
-          type boolean;
-          default true;
-        }
-      }
-
-      list vnf-primitive-group {
-        description
-            "List of service primitives grouped by VNF.";
-
-        key "member-vnf-index-ref";
-        leaf member-vnf-index-ref {
-          description
-              "Reference to member-vnf within constituent-vnfds";
-          type string;
-        }
-
-        leaf vnfd-id-ref {
-          description
-              "A reference to a vnfd. This is a
-               leafref to path:
-                   ../../../../nsd:constituent-vnfd
-                   + [nsd:id = current()/../nsd:id-ref]
-                   + /nsd:vnfd-id-ref
-               NOTE: An issue with confd is preventing the
-               use of xpath. Seems to be an issue with leafref
-               to leafref, whose target is in a different module.
-               Once that is resolved this will switched to use
-               leafref";
-
-          type string;
-        }
-
-        leaf vnfd-name {
-          description
-              "Name of the VNFD";
-          type string;
-        }
-
-        list primitive {
-          key "index";
-
-          leaf index {
-            description "Index of this primitive";
-            type uint32;
-          }
-
-          leaf name {
-            description "Name of the primitive in the VNF primitive ";
-            type string;
-          }
-        }
-      }
-
-      leaf user-defined-script {
-        description
-            "A user defined script.";
-        type string;
-      }
-    }
-  }
-
   grouping http-endpoints {
     list http-endpoint {
       description
diff --git a/models/yang/nsd-base.yang b/models/yang/nsd-base.yang
index 894b7a5..45ca7f7 100644
--- a/models/yang/nsd-base.yang
+++ b/models/yang/nsd-base.yang
@@ -390,10 +390,10 @@
           type manotypes:scaling-trigger;
         }
 
-        leaf ns-service-primitive-name-ref {
-          description "Reference to the NS service primitive";
+        leaf ns-config-primitive-name-ref {
+          description "Reference to the NS primitive";
           type leafref {
-            path "../../../service-primitive/name";
+            path "../../../ns-configuration/config-primitive/name";
           }
         }
       }
@@ -555,24 +555,7 @@
     uses manotypes:ip-profile-list;
 
     container ns-configuration {
-      uses manotypes:ns-configuration;
-    }
-
-    list initial-service-primitive {
-      description
-        "Initial set of service primitives for NSD.";
-      key "seq";
-
-      uses manotypes:event-config;
-    }
-
-    list terminate-service-primitive {
-      description
-        "Set of service primitives during
-         termination for NSD.";
-      key "seq";
-
-      uses manotypes:event-config;
+      uses manotypes:vca-configuration;
     }
 
     uses manotypes:input-parameter-xpath;
diff --git a/models/yang/nsd.yang b/models/yang/nsd.yang
index 47baf6f..e80654f 100644
--- a/models/yang/nsd.yang
+++ b/models/yang/nsd.yang
@@ -227,85 +227,6 @@
     }
   }
 
-  grouping nsd-service-primitive {
-   list service-primitive {
-      description
-          "Network service level service primitives.";
-
-      key "name";
-
-      leaf name {
-        description
-            "Name of the service primitive.";
-        type string;
-      }
-
-      list parameter {
-        description
-            "List of parameters for the service primitive.";
-
-        key "name";
-        uses manotypes:primitive-parameter;
-      }
-
-      uses manotypes:ui-primitive-group;
-
-      list vnf-primitive-group {
-        description
-            "List of service primitives grouped by VNF.";
-
-        key "member-vnf-index-ref";
-        leaf member-vnf-index-ref {
-          description
-              "Reference to member-vnf within constituent-vnfds";
-          type leafref {
-             path "../../../constituent-vnfd/member-vnf-index";
-          }
-        }
-
-        leaf vnfd-id-ref {
-          description
-              "A reference to a VNFD. This is a leafref";
-
-          type leafref {
-             path "../../../constituent-vnfd" +
-                "[member-vnf-index = current()/../member-vnf-index-ref]" + "/vnfd-id-ref";
-          }
-        }
-
-        leaf vnfd-name {
-          description
-              "Name of the VNFD";
-          type leafref {
-              path "/vnfd:vnfd-catalog/vnfd:vnfd"
-                    + "[vnfd:id = current()/../vnfd-id-ref]"
-                    + "/vnfd:name";
-          }
-        }
-
-        list primitive {
-          key "index";
-
-          leaf index {
-            description "Index of this primitive";
-            type uint32;
-          }
-
-          leaf name {
-            description "Name of the primitive in the VNF primitive ";
-            type string;
-          }
-        }
-      }
-
-      leaf user-defined-script {
-        description
-            "A user defined script.";
-        type string;
-      }
-    }
-  }
-
   container nsd-catalog {
 
     leaf schema-version {
@@ -328,8 +249,6 @@
       uses nsd-vnf-dependency;
 
       uses nsd-monitoring-param;
-
-      uses nsd-service-primitive;
     }
   }
 }
diff --git a/models/yang/nsr.yang b/models/yang/nsr.yang
index e2a4d6f..bce46e0 100644
--- a/models/yang/nsr.yang
+++ b/models/yang/nsr.yang
@@ -178,16 +178,16 @@
     }
   }
 
-  grouping event-service-primitive {
+  grouping event-config-primitive {
     leaf seq {
       description
-          "Sequence number for the service primitive.";
+          "Sequence number for the config primitive.";
       type uint64;
     }
 
     leaf name {
       description
-          "Name of the service primitive.";
+          "Name of the primitive.";
       type string;
       mandatory "true";
     }
@@ -267,8 +267,6 @@
           uses project-nsd:nsr-nsd-vnf-dependency;
 
           uses project-nsd:nsr-nsd-monitoring-param;
-
-          uses project-nsd:nsr-nsd-service-primitive;
         }
         uses ns-instance-config-params;
       }
@@ -895,100 +893,6 @@
           type config-states;
         }
 
-        list service-primitive {
-           description
-                "Network service level service primitives.";
-
-           key "name";
-
-           leaf name {
-              description
-                  "Name of the service primitive.";
-              type string;
-           }
-
-           list parameter {
-              description
-                  "List of parameters for the service primitive.";
-
-              key "name";
-              uses manotypes:primitive-parameter;
-           }
-
-           uses manotypes:ui-primitive-group;
-
-           list vnf-primitive-group {
-              description
-                "Reference to member-vnf within constituent-vnfds";
-
-              key "member-vnf-index-ref";
-              leaf member-vnf-index-ref {
-                description
-                   "Reference to member-vnf within constituent-vnfds";
-                type string;
-              }
-
-              leaf vnfd-id-ref {
-                 description
-                   "A reference to a vnfd. This is a 
-                    leafref to path:
-                        ../../../../nsd:constituent-vnfd
-                        + [nsd:id = current()/../nsd:id-ref]
-                        + /nsd:vnfd-id-ref
-                    NOTE: An issue with confd is preventing the
-                    use of xpath. Seems to be an issue with leafref
-                    to leafref, whose target is in a different module.
-                    Once that is resovled this will switched to use
-                    leafref";
-
-                 type string;
-              }
-
-              leaf vnfd-name {
-                 description
-                   "Name of the VNFD";
-                 type string;
-              }
-
-              list primitive {
-                 key "index";
-
-                 leaf index {
-                   description "Index of this primitive";
-                   type uint32;
-                 }
-
-                 leaf name {
-                   description "Name of the primitive in the VNF primitive ";
-                   type string;
-                 }
-              }
-           }
-
-           leaf user-defined-script {
-             description
-               "A user defined script.";
-             type string;
-           }
-        }
-
-        list initial-service-primitive {
-          description
-            "Initial set of service primitives for NSD.";
-          key "seq";
-
-          uses event-service-primitive;
-        }
-
-        list terminate-service-primitive {
-          description
-            "Set of service primitives to
-             execute during termination of NSD.";
-          key "seq";
-
-          uses event-service-primitive;
-        }
-
         list monitoring-param {
           description
             "List of NS level params.";
@@ -1167,12 +1071,12 @@
     }
   }
 
-  rpc get-ns-service-primitive-values {
-    description "Get the service primitive parameter values";
+  rpc get-ns-config-primitive-values {
+    description "Get the config primitive parameter values";
 
     input {
       leaf name {
-        description "Name of the NS service primitive group";
+        description "Name of the NS config primitive group";
         mandatory true;
         type string;
       }
@@ -1274,8 +1178,8 @@
     }
   }
 
-  rpc exec-ns-service-primitive {
-    description "Executes a NS service primitive or script";
+  rpc exec-ns-config-primitive {
+    description "Executes a NS config primitive or script";
 
     input {
       leaf name {
diff --git a/models/yang/project-nsd.yang b/models/yang/project-nsd.yang
index bf0ac38..e0ac7f3 100644
--- a/models/yang/project-nsd.yang
+++ b/models/yang/project-nsd.yang
@@ -413,164 +413,6 @@
     }
   }
 
-  grouping nsd-service-primitive {
-   list service-primitive {
-      description
-          "Network service level service primitives.";
-
-      key "name";
-
-      leaf name {
-        description
-            "Name of the service primitive.";
-        type string;
-      }
-
-      list parameter {
-        description
-            "List of parameters for the service primitive.";
-
-        key "name";
-        uses manotypes:primitive-parameter;
-      }
-
-      uses manotypes:ui-primitive-group;
-
-      list vnf-primitive-group {
-        description
-            "List of service primitives grouped by VNF.";
-
-        key "member-vnf-index-ref";
-        leaf member-vnf-index-ref {
-          description
-              "Reference to member-vnf within constituent-vnfds";
-          type leafref {
-             path "../../../constituent-vnfd/member-vnf-index";
-          }
-        }
-
-        leaf vnfd-id-ref {
-          description
-              "A reference to a vnfd. This is a leafref";
-
-          type leafref {
-             path "../../../constituent-vnfd" +
-                "[member-vnf-index = current()/../member-vnf-index-ref]" + "/vnfd-id-ref";
-          }
-        }
-
-        leaf vnfd-name {
-          description
-              "Name of the VNFD";
-          type leafref {
-              path "../../../../../project-vnfd:vnfd-catalog/project-vnfd:vnfd"
-                    + "[project-vnfd:id = current()/../vnfd-id-ref]"
-                    + "/project-vnfd:name";
-          }
-        }
-
-        list primitive {
-          key "index";
-
-          leaf index {
-            description "Index of this primitive";
-            type uint32;
-          }
-
-          leaf name {
-            description "Name of the primitive in the VNF primitive ";
-            type string;
-          }
-        }
-      }
-
-      leaf user-defined-script {
-        description
-            "A user defined script.";
-        type string;
-      }
-    }
-  }
-
-  grouping nsr-nsd-service-primitive {
-   list service-primitive {
-      description
-          "Network service level service primitives.";
-
-      key "name";
-
-      leaf name {
-        description
-            "Name of the service primitive.";
-        type string;
-      }
-
-      list parameter {
-        description
-            "List of parameters for the service primitive.";
-
-        key "name";
-        uses manotypes:primitive-parameter;
-      }
-
-      uses manotypes:ui-primitive-group;
-
-      list vnf-primitive-group {
-        description
-            "List of service primitives grouped by VNF.";
-
-        key "member-vnf-index-ref";
-        leaf member-vnf-index-ref {
-          description
-              "Reference to member-vnf within constituent-vnfds";
-          type leafref {
-             path "../../../constituent-vnfd/member-vnf-index";
-          }
-        }
-
-        leaf vnfd-id-ref {
-          description
-              "A reference to a vnfd. This is a leafref";
-
-          type leafref {
-             path "../../../constituent-vnfd" +
-                "[member-vnf-index = current()/../member-vnf-index-ref]" + "/vnfd-id-ref";
-          }
-        }
-
-        leaf vnfd-name {
-          description
-              "Name of the VNFD";
-          type leafref {
-              path "../../../../../../project-vnfd:vnfd-catalog/project-vnfd:vnfd"
-                    + "[project-vnfd:id = current()/../vnfd-id-ref]"
-                    + "/project-vnfd:name";
-          }
-        }
-
-        list primitive {
-          key "index";
-
-          leaf index {
-            description "Index of this primitive";
-            type uint32;
-          }
-
-          leaf name {
-            description "Name of the primitive in the VNF primitive ";
-            type string;
-          }
-        }
-      }
-
-      leaf user-defined-script {
-        description
-            "A user defined script.";
-        type string;
-      }
-    }
-  }
-
   grouping nsd-descriptor {
      uses nsd-base:nsd-descriptor-common;
 
@@ -583,8 +425,6 @@
      uses nsd-vnf-dependency;
 
      uses nsd-monitoring-param;
-
-     uses nsd-service-primitive;
   }
 
   augment "/osm-project:project" {