diff --git a/package.json b/package.json
--- a/package.json
+++ b/package.json
@@ -17,7 +17,6 @@
     "@types/n3": "^1.10.4",
     "@types/node": "^20.2.0",
     "@types/reconnectingwebsocket": "^1.0.7",
-    "@types/sylvester": "^0.1.8",
     "@types/underscore": "^1.11.4",
     "async": "^3.2.4",
     "d3": "^7.8.4",