diff --git a/browser/empty.js b/browser/empty.js
deleted file mode 100644
index 5df3feef..00000000
--- a/browser/empty.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// Empty module for browserify.
-exports.unsupported = true;
diff --git a/lib/http/base-browser.js b/lib/http/base-browser.js
index 5df3feef..21227270 100644
--- a/lib/http/base-browser.js
+++ b/lib/http/base-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/http/client-browser.js b/lib/http/client-browser.js
index 5df3feef..21227270 100644
--- a/lib/http/client-browser.js
+++ b/lib/http/client-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/http/request-browser.js b/lib/http/request-browser.js
index 5df3feef..21227270 100644
--- a/lib/http/request-browser.js
+++ b/lib/http/request-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/http/rpcclient-browser.js b/lib/http/rpcclient-browser.js
index 5df3feef..21227270 100644
--- a/lib/http/rpcclient-browser.js
+++ b/lib/http/rpcclient-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/http/server-browser.js b/lib/http/server-browser.js
index 5df3feef..21227270 100644
--- a/lib/http/server-browser.js
+++ b/lib/http/server-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/http/wallet-browser.js b/lib/http/wallet-browser.js
index 5df3feef..21227270 100644
--- a/lib/http/wallet-browser.js
+++ b/lib/http/wallet-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/net/socks-browser.js b/lib/net/socks-browser.js
index 5df3feef..21227270 100644
--- a/lib/net/socks-browser.js
+++ b/lib/net/socks-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/utils/fs-browser.js b/lib/utils/fs-browser.js
index 5df3feef..21227270 100644
--- a/lib/utils/fs-browser.js
+++ b/lib/utils/fs-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/wallet/client-browser.js b/lib/wallet/client-browser.js
index 5df3feef..21227270 100644
--- a/lib/wallet/client-browser.js
+++ b/lib/wallet/client-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/wallet/http-browser.js b/lib/wallet/http-browser.js
index 5df3feef..21227270 100644
--- a/lib/wallet/http-browser.js
+++ b/lib/wallet/http-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/wallet/server-browser.js b/lib/wallet/server-browser.js
index 5df3feef..21227270 100644
--- a/lib/wallet/server-browser.js
+++ b/lib/wallet/server-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/lib/workers/cp-browser.js b/lib/workers/cp-browser.js
index 5df3feef..21227270 100644
--- a/lib/workers/cp-browser.js
+++ b/lib/workers/cp-browser.js
@@ -1,2 +1,3 @@
-// Empty module for browserify.
+'use strict';
+
 exports.unsupported = true;
diff --git a/webpack.config.js b/webpack.config.js
index 2fd68616..cc7c56cb 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -14,10 +14,8 @@ module.exports = {
     filename: '[name].js'
   },
   resolve: {
-    descriptionFiles: ['package.json'],
     modules: ['node_modules'],
-    extensions: ['-browser.js', '.js', '.json'],
-    aliasFields: ['browser']
+    extensions: ['-browser.js', '.js', '.json']
   },
   module: {
     rules: [{