diff --git a/contexts/projects.json b/contexts/projects.json
index b3d9fa2..0fd8ca0 100644
--- a/contexts/projects.json
+++ b/contexts/projects.json
@@ -3,7 +3,6 @@
 	"@vocab": "http://xpub.nl/terms/",
 	"@language": "en",
 	"xpub": "http://xpub.nl/terms/",
-	"xpubproject": "https://project.xpub.nl/",
 	"dc": "http://purl.org/dc/terms/",
 	"student": { "@id": "xpub:student", "@lang": "en" },
 	"project": { "@id": "xpub:project", "@type": "@id" },