diff --git a/saymamaster.json b/saymamaster.json
index f3be59b..e7fd825 100644
--- a/saymamaster.json
+++ b/saymamaster.json
@@ -7,7 +7,6 @@
     "peripherals": [
        {
             "type": "urukul",
-            "synchronization": true,
             "ports": [0, 1],
             "clk_sel": 2,
             "pll_n": 16,