diff --git a/lavamoat/browserify/flask/policy.json b/lavamoat/browserify/flask/policy.json
index 05a22743204c..31d38efa9a7e 100644
--- a/lavamoat/browserify/flask/policy.json
+++ b/lavamoat/browserify/flask/policy.json
@@ -13,14 +13,6 @@
         "browserify": true
       }
     },
-    "eth-lattice-keyring>@ethereumjs/tx>@chainsafe/ssz": {
-      "packages": {
-        "eth-lattice-keyring>@ethereumjs/tx>@chainsafe/ssz>@chainsafe/persistent-merkle-tree": true,
-        "browserify": true,
-        "browserify>buffer": true,
-        "eth-lattice-keyring>@ethereumjs/tx>@chainsafe/ssz>case": true
-      }
-    },
     "@metamask/notification-services-controller>@contentful/rich-text-html-renderer": {
       "globals": {
         "SuppressedError": true