diff --git a/ethereum/package-lock.json b/ethereum/package-lock.json
index 7448a5c67..b9e9d40fb 100644
--- a/ethereum/package-lock.json
+++ b/ethereum/package-lock.json
@@ -18,9 +18,7 @@
         "typechain": "^8.1.1"
       },
       "devDependencies": {
-        "@certusone/wormhole-sdk-proto-web": "^0.0.6",
         "@chainsafe/truffle-plugin-abigen": "0.0.1",
-        "@improbable-eng/grpc-web-node-http-transport": "^0.15.0",
         "@openzeppelin/cli": "^2.8.2",
         "@openzeppelin/contracts": "^4.3.1",
         "@truffle/hdwallet-provider": "^1.7.0",
@@ -2619,15 +2617,6 @@
         "google-protobuf": "^3.14.0"
       }
     },
-    "node_modules/@improbable-eng/grpc-web-node-http-transport": {
-      "version": "0.15.0",
-      "resolved": "https://registry.npmjs.org/@improbable-eng/grpc-web-node-http-transport/-/grpc-web-node-http-transport-0.15.0.tgz",
-      "integrity": "sha512-HLgJfVolGGpjc9DWPhmMmXJx8YGzkek7jcCFO1YYkSOoO81MWRZentPOd/JiKiZuU08wtc4BG+WNuGzsQB5jZA==",
-      "dev": true,
-      "peerDependencies": {
-        "@improbable-eng/grpc-web": ">=0.13.0"
-      }
-    },
     "node_modules/@injectivelabs/core-proto-ts": {
       "version": "0.0.11",
       "resolved": "https://registry.npmjs.org/@injectivelabs/core-proto-ts/-/core-proto-ts-0.0.11.tgz",
@@ -30195,13 +30184,6 @@
         "browser-headers": "^0.4.1"
       }
     },
-    "@improbable-eng/grpc-web-node-http-transport": {
-      "version": "0.15.0",
-      "resolved": "https://registry.npmjs.org/@improbable-eng/grpc-web-node-http-transport/-/grpc-web-node-http-transport-0.15.0.tgz",
-      "integrity": "sha512-HLgJfVolGGpjc9DWPhmMmXJx8YGzkek7jcCFO1YYkSOoO81MWRZentPOd/JiKiZuU08wtc4BG+WNuGzsQB5jZA==",
-      "dev": true,
-      "requires": {}
-    },
     "@injectivelabs/core-proto-ts": {
       "version": "0.0.11",
       "resolved": "https://registry.npmjs.org/@injectivelabs/core-proto-ts/-/core-proto-ts-0.0.11.tgz",
diff --git a/ethereum/package.json b/ethereum/package.json
index b2d39aa3b..8367d5588 100644
--- a/ethereum/package.json
+++ b/ethereum/package.json
@@ -4,9 +4,7 @@
   "description": "",
   "main": "networks.js",
   "devDependencies": {
-    "@certusone/wormhole-sdk-proto-web": "^0.0.6",
     "@chainsafe/truffle-plugin-abigen": "0.0.1",
-    "@improbable-eng/grpc-web-node-http-transport": "^0.15.0",
     "@openzeppelin/cli": "^2.8.2",
     "@openzeppelin/contracts": "^4.3.1",
     "@truffle/hdwallet-provider": "^1.7.0",