diff --git a/delta/sdk/src/main/resources/contexts/shacl-20170720.json b/delta/sdk/src/main/resources/contexts/shacl-20170720.json
deleted file mode 100644
index 0792045f15..0000000000
--- a/delta/sdk/src/main/resources/contexts/shacl-20170720.json
+++ /dev/null
@@ -1,259 +0,0 @@
-{
-  "@context": {
-    "nxv": "https://bluebrain.github.io/nexus/vocabulary/",
-    "nxs": "https://bluebrain.github.io/nexus/schemas/",
-    "nxc": "https://bluebrain.github.io/nexus/contexts/",
-    "xsd": "http://www.w3.org/2001/XMLSchema#",
-    "owl": "http://www.w3.org/2002/07/owl#",
-    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
-    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
-    "skos": "http://www.w3.org/2004/02/skos/core#",
-    "prov": "http://www.w3.org/ns/prov#",
-    "sh": "http://www.w3.org/ns/shacl#",
-    "shsh": "http://www.w3.org/ns/shacl-shacl#",
-    "dcterms": "http://purl.org/dc/terms/",
-    "schema": "http://schema.org/",
-    "dcat": "http://www.w3.org/ns/dcat#",
-    "shext": "http://www.w3.org/ns/shacl/ext#",
-    "nxsh": "https://bluebrain.github.io/nexus/vocabulary/shacl/",
-    "distribution": "schema:distribution",
-    "class": {
-      "@id": "sh:class",
-      "@type": "@id"
-    },
-    "rootClass": {
-      "@id": "shext:rootClass",
-      "@type": "@id"
-    },
-    "path": {
-      "@id": "sh:path",
-      "@type": "@id"
-    },
-    "qualifiedValueShape": {
-      "@id": "sh:qualifiedValueShape",
-      "@type": "@id"
-    },
-    "qualifiedValueShapesDisjoint": {
-      "@id": "sh:qualifiedValueShapesDisjoint",
-      "@type": "xsd:boolean"
-    },
-    "qualifiedMinCount": {
-      "@id": "sh:qualifiedMinCount",
-      "@type": "xsd:integer"
-    },
-    "qualifiedMaxCount": {
-      "@id": "sh:qualifiedMaxCount",
-      "@type": "xsd:integer"
-    },
-    "maxCount": {
-      "@id": "sh:maxCount",
-      "@type": "xsd:integer"
-    },
-    "minCount": {
-      "@id": "sh:minCount",
-      "@type": "xsd:integer"
-    },
-    "minInclusive": {
-      "@id": "sh:minInclusive"
-    },
-    "maxInclusive": {
-      "@id": "sh:maxInclusive"
-    },
-    "maxExclusive": {
-      "@id": "sh:maxExclusive"
-    },
-    "minExclusive": {
-      "@id": "sh:minExclusive"
-    },
-    "in": {
-      "@id": "sh:in",
-      "@container": "@list"
-    },
-    "imports": {
-      "@id": "owl:imports",
-      "@type": "@id",
-      "@container": "@set"
-    },
-    "datatype": {
-      "@id": "sh:datatype",
-      "@type": "@id"
-    },
-    "description": {
-      "@id": "sh:description"
-    },
-    "name": {
-      "@id": "sh:name"
-    },
-    "severity": {
-      "@id": "sh:severity"
-    },
-    "nodeKind": {
-      "@id": "sh:nodeKind",
-      "@type": "@id"
-    },
-    "BlankNode": {
-      "@id": "sh:BlankNode"
-    },
-    "BlankNodeOrIRI": {
-      "@id": "sh:BlankNodeOrIRI"
-    },
-    "BlankNodeOrLiteral": {
-      "@id": "sh:BlankNodeOrLiteral"
-    },
-    "IRI": {
-      "@id": "sh:IRI"
-    },
-    "IRIOrLiteral": {
-      "@id": "sh:IRIOrLiteral"
-    },
-    "Literal": {
-      "@id": "sh:Literal"
-    },
-    "prefix": {
-      "@id": "sh:prefix",
-      "@type": "xsd:string"
-    },
-    "declare": {
-      "@id": "sh:declare"
-    },
-    "namespace": {
-      "@id": "sh:namespace",
-      "@type": "xsd:anyURI"
-    },
-    "Violation": {
-      "@id": "sh:Violation"
-    },
-    "suggestedShapesGraph": {
-      "@id": "sh:suggestedShapesGraph",
-      "@type": "@id"
-    },
-    "shapesGraph": {
-      "@id": "sh:shapesGraph",
-      "@type": "@id"
-    },
-    "node": {
-      "@id": "sh:node",
-      "@type": "@id"
-    },
-    "property": {
-      "@id": "sh:property",
-      "@type": "@id",
-      "@container": "@set"
-    },
-    "targetClass": {
-      "@id": "sh:targetClass",
-      "@type": "@id"
-    },
-    "targetObjectsOf": {
-      "@id": "sh:targetObjectsOf",
-      "@type": "@id"
-    },
-    "targetSubjectsOf": {
-      "@id": "sh:targetSubjectsOf",
-      "@type": "@id"
-    },
-    "targetNode": {
-      "@id": "sh:targetNode",
-      "@type": "@id"
-    },
-    "target": {
-      "@id": "sh:target",
-      "@type": "@id"
-    },
-    "shapes": {
-      "@id": "nxv:shapes",
-      "@type": "@id",
-      "@container": "@set"
-    },
-    "Shape": {
-      "@id": "sh:Shape"
-    },
-    "NodeShape": {
-      "@id": "sh:NodeShape"
-    },
-    "PropertyShape": {
-      "@id": "sh:PropertyShape"
-    },
-    "or": {
-      "@id": "sh:or",
-      "@type": "@id",
-      "@container": "@list"
-    },
-    "and": {
-      "@id": "sh:and",
-      "@type": "@id",
-      "@container": "@list"
-    },
-    "xone": {
-      "@id": "sh:xone",
-      "@type": "@id",
-      "@container": "@list"
-    },
-    "not": {
-      "@id": "sh:not",
-      "@type": "@id",
-      "@container": "@list"
-    },
-    "lessThan": {
-      "@id": "sh:lessThan",
-      "@type": "@id"
-    },
-    "hasValue": {
-      "@id": "sh:hasValue"
-    },
-    "message": {
-      "@id": "sh:message"
-    },
-    "deactivated": {
-      "@id": "sh:deactivated"
-    },
-    "pattern": {
-      "@id": "sh:pattern"
-    },
-    "label": {
-      "@id": "rdfs:label",
-      "@type": "xsd:string"
-    },
-    "comment": {
-      "@id": "rdfs:comment",
-      "@type": "xsd:string"
-    },
-    "editorialNote": {
-      "@id": "skos:editorialNote",
-      "@type": "xsd:string"
-    },
-    "seeAlso": {
-      "@id": "rdfs:seeAlso",
-      "@type": "@id"
-    },
-    "targetedNodes": "nxsh:targetedNodes",
-    "conforms": "sh:conforms",
-    "result": "sh:result",
-    "resultMessage": "sh:resultMessage",
-    "focusNode": {
-      "@id": "sh:focusNode",
-      "@type": "@id"
-    },
-    "resultSeverity": {
-      "@id": "sh:resultSeverity",
-      "@type": "@id"
-    },
-    "sourceConstraintComponent": {
-      "@id": "sh:sourceConstraintComponent",
-      "@type": "@id"
-    },
-    "sourceShape": {
-      "@id": "sh:sourceShape",
-      "@type": "@id"
-    },
-    "value": {
-      "@id": "sh:value",
-      "@type": "@id"
-    },
-    "detail": {
-      "@id": "sh:detail",
-      "@container": "@set"
-    }
-  },
-  "@id": "https://bluebrain.github.io/nexus/contexts/shacl-20170720.json"
-}
\ No newline at end of file