diff --git a/.gitignore b/.gitignore
index d7db5c3..f2d345b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ _agstate/yarn-links/
 .parcel-cache/
 ui/.cache/
 ui/dist/
+ui/public/conf/
diff --git a/ui/package.json b/ui/package.json
index 39d817e..9dff1b3 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -50,7 +50,7 @@
     "@endo/marshal": "^0.6.9",
     "lit": "^2.0.2",
     "regenerator-runtime": "0.13.7",
-    "ses": "^0.15.11"
+    "ses": "^0.18.2"
   },
   "devDependencies": {
     "caniuse-lite": "1.0.30001251",
diff --git a/ui/public/conf/defaults.js b/ui/public/conf/defaults.js
deleted file mode 100644
index c6be2d5..0000000
--- a/ui/public/conf/defaults.js
+++ /dev/null
@@ -1,14 +0,0 @@
-// GENERATED FROM /Users/katesills/code/dapp-fungible-faucet/api/deploy.js
-export default {
-  INSTANCE_BOARD_ID: '794977354',
-  INSTALLATION_BOARD_ID: '1530295560',
-  INVITE_BRAND_BOARD_ID: '500716545',
-  brandBoardIds: {
-    Token: '529406044',
-  },
-  issuerBoardIds: {
-    Token: '715805464',
-  },
-  BRIDGE_URL: 'http://127.0.0.1:8000',
-  API_URL: 'http://127.0.0.1:8000',
-};
diff --git a/ui/public/conf/installationConstants.js b/ui/public/conf/installationConstants.js
deleted file mode 100644
index b23f2af..0000000
--- a/ui/public/conf/installationConstants.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// GENERATED FROM /Users/katesills/code/dapp-fungible-faucet/contract/deploy.js
-export default {
-  CONTRACT_NAME: 'fungibleFaucet',
-  INSTALLATION_BOARD_ID: '1530295560',
-};
diff --git a/ui/public/src/install-ses-lockdown.js b/ui/public/src/install-ses-lockdown.js
index 5e7fb6b..b3c63d0 100644
--- a/ui/public/src/install-ses-lockdown.js
+++ b/ui/public/src/install-ses-lockdown.js
@@ -1,7 +1,6 @@
 /* eslint-disable import/no-extraneous-dependencies */
 /* global lockdown */
 import 'ses/dist/ses.umd'; // adds lockdown, harden, and Compartment
-import '@endo/eventual-send/shim'; // adds support needed by E
 
 const errorTaming = process.env.NODE_ENV === 'development' ? 'unsafe' : 'safe';
 
diff --git a/ui/public/src/main.js b/ui/public/src/main.js
index 2729216..8981aa3 100644
--- a/ui/public/src/main.js
+++ b/ui/public/src/main.js
@@ -2,6 +2,7 @@
 // @ts-check
 /* globals document mdc */
 import './install-ses-lockdown.js';
+import '@endo/eventual-send/shim'; // adds support needed by E
 import { E } from '@endo/eventual-send';
 import { observeNotifier } from '@agoric/notifier';
 import dappConstants from '../lib/constants.js';
diff --git a/yarn.lock b/yarn.lock
index 5459635..1004777 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5296,11 +5296,16 @@ serve-static@1.15.0:
     parseurl "~1.3.3"
     send "0.18.0"
 
-ses@^0.15.11, ses@^0.15.15, ses@^0.15.17:
+ses@^0.15.15, ses@^0.15.17:
   version "0.15.17"
   resolved "https://registry.yarnpkg.com/ses/-/ses-0.15.17.tgz#84e20cd08fb294989c6499942d220bd6604e1884"
   integrity sha512-T8XKsR5LGV57ilyqE4InFJKWVniEEFGai0CjuVJPju9LvnjYPXvZ7V8jP7sGtJ500ApRVgNBCu+5ZcSUhiuXig==
 
+ses@^0.18.2:
+  version "0.18.2"
+  resolved "https://registry.yarnpkg.com/ses/-/ses-0.18.2.tgz#09adabc732c0dee3fa443c4c5e6672d59d25e241"
+  integrity sha512-AGoYxx1035q60uICxzkqMzzHf6bQuMtgTHWKnmv+qHjY/dAIKMgRT47HY/AdFquGbJCp17AEekBXFbITiS1YUA==
+
 set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"