diff --git a/purdue.json b/purdue.json
index d59b036..b6da34c 100644
--- a/purdue.json
+++ b/purdue.json
@@ -17,7 +17,6 @@
         },
         {
             "type": "urukul",
-            "dds": "ad9910",
             "ports": [4, 5],
             "clk_sel": 2
         },