diff --git a/internal/npm_install/npm_umd_bundle.bzl b/internal/npm_install/npm_umd_bundle.bzl
index 446818fd3b..25bddf83a8 100644
--- a/internal/npm_install/npm_umd_bundle.bzl
+++ b/internal/npm_install/npm_umd_bundle.bzl
@@ -48,12 +48,6 @@ def _npm_umd_bundle(ctx):
         inputs = inputs,
         outputs = [output],
         arguments = [args],
-        # browserify may load files from nodejs but these aren't declared as action inputs
-        # looks like:
-        # ERROR: /workdir/internal/npm_install/test/BUILD.bazel:50:1: Couldn't build file internal/npm_install/test/sinon.umd.js: Generated UMD bundle for sinon npm package [browserify] failed (Exit 1)
-        # Error: Cannot find module 'process/browser.js' from '/b/f/w/bazel-out/host/bin/external/build_bazel_rules_nodejs/internal/npm_install/browserify-wrapped.runfiles/build_bazel_rules_nodejs/third_party/github.com/browserify/browserify
-        # TODO(alexeagle): remove this line and make the tests work with RBE
-        execution_requirements = {"local": "1"},
     )
 
     return [
diff --git a/scripts/vendor_browserify.sh b/scripts/vendor_browserify.sh
index 4f0cc8a4dd..d88322482c 100755
--- a/scripts/vendor_browserify.sh
+++ b/scripts/vendor_browserify.sh
@@ -11,6 +11,9 @@ echo "Compiling browserify with ncc"
 echo "Local mod: revert https://github.com/browserify/browserify/pull/1801"
 sed -i 's#parent.id !== self._mdeps.top.id#parent.id#' third_party/github.com/browserify/browserify/index.js
 
+echo "Local mod: workaround https://github.com/zeit/ncc/issues/461"
+sed -i "s#require('process/browser.js')#require('./browser1')#" third_party/github.com/browserify/browserify/main.js
+
 echo "Copy LICENSE"
 cp -f ./node_modules/browserify/LICENSE ./third_party/github.com/browserify/browserify
 
diff --git a/third_party/github.com/browserify/browserify/main.js b/third_party/github.com/browserify/browserify/main.js
index 38c058f19a..7671ab3cf4 100644
--- a/third_party/github.com/browserify/browserify/main.js
+++ b/third_party/github.com/browserify/browserify/main.js
@@ -1,4 +1,4 @@
-var nextTick = require('process/browser.js').nextTick;
+var nextTick = require('./browser1').nextTick;
 var apply = Function.prototype.apply;
 var slice = Array.prototype.slice;
 var immediateIds = {};