diff --git a/conf/webpack.config.js b/conf/webpack.config.js
index a360614..a9bfe79 100644
--- a/conf/webpack.config.js
+++ b/conf/webpack.config.js
@@ -20,9 +20,6 @@ export default (env, argv) => {
       }
     },
     target: 'web',
-    experiments: {
-      topLevelAwait: true
-    },
     externals: {
       fs: '{ existsSync: () => true }',
       mkdirp: '{}'
diff --git a/conf/webpack.debug.config.js b/conf/webpack.debug.config.js
index fa65139..a365ced 100644
--- a/conf/webpack.debug.config.js
+++ b/conf/webpack.debug.config.js
@@ -21,9 +21,6 @@ export default (env, argv) => {
     },
     target: 'web',
     devtool: 'source-map',
-    experiments: {
-      topLevelAwait: true
-    },
     externals: {
       fs: '{ existsSync: () => true }',
       mkdirp: '{}'
diff --git a/conf/webpack.tests.config.js b/conf/webpack.tests.config.js
index 1591561..32005ee 100644
--- a/conf/webpack.tests.config.js
+++ b/conf/webpack.tests.config.js
@@ -17,9 +17,6 @@ export default (env, argv) => {
     target: 'web',
     mode: 'development',
     devtool: 'source-map',
-    experiments: {
-      topLevelAwait: true
-    },
     externals: {
       fs: '{ existsSync: () => true }',
       'fs-extra': '{ copy: () => {} }',
diff --git a/src/key-store.js b/src/key-store.js
index 144d9bc..91d50e7 100644
--- a/src/key-store.js
+++ b/src/key-store.js
@@ -53,9 +53,10 @@ const signMessage = async (key, data) => {
   return uint8ArrayToString(await key.sign(data), 'base16')
 }
 
-const verifiedCache = await LRUStorage({ size: 1000 })
+const verifiedCachePromise = LRUStorage({ size: 1000 })
 
 const verifyMessage = async (signature, publicKey, data) => {
+  const verifiedCache = await verifiedCachePromise
   const cached = await verifiedCache.get(signature)
 
   let res = false