diff --git a/manifests/vanTies-dev.json b/manifests/vanTies-dev.json
deleted file mode 100644
index a578cc3e..00000000
--- a/manifests/vanTies-dev.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "slug": "vanTies-dev",
-  "name": "van Ties - dev",
-  "version": "2.4.1",
-  "license": "GPL-3.0-or-later",
-  "brand": "",
-  "author": "Matthias Sars",
-  "authorEmail": "",
-  "authorUrl": "http://www.matthiassars.eu",
-  "pluginUrl": "",
-  "manualUrl": "https://raw.githubusercontent.com/matthiassars/vanTies/main/manual.pdf",
-  "sourceUrl": "https://github.com/matthiassars/vanTies",
-  "donateUrl": "",
-  "changelogUrl": "",
-  "modules": [
-    {
-      "slug": "Ad",
-      "name": "Ad",
-      "description": "additive oscillator",
-      "tags": [
-        "Oscillator",
-        "Polyphonic"
-      ],
-      "keywords": "additive"
-    }
-  ]
-}
\ No newline at end of file