diff --git a/libraries/botframework-connector/package.json b/libraries/botframework-connector/package.json
index 8523eddaf3..6ed26a8a80 100644
--- a/libraries/botframework-connector/package.json
+++ b/libraries/botframework-connector/package.json
@@ -40,6 +40,7 @@
     "mocha": "^6.2.3",
     "nock": "^11.9.1",
     "nyc": "^15.1.0",
+    "rimraf": "^3.0.2",
     "should": "^13.2.3",
     "shx": "^0.3.2",
     "source-map-support": "^0.5.3",
@@ -49,8 +50,8 @@
   },
   "scripts": {
     "build": "tsc",
-    "postbuild": "shx cp lib/index.js lib/browser.js | browserify --debug lib/browser.js | exorcist lib/browser.map.js | sponge lib/browser.js",
-    "clean": "erase /q /s .\\lib",
+    "postbuild": "shx cp lib/index.js lib/browser.js | browserify -s BFC --debug lib/browser.js | exorcist lib/browser.js.map | sponge lib/browser.js",
+    "clean": "rimraf q s lib",
     "set-version": "npm version --allow-same-version ${Version}",
     "test": "tsc && nyc mocha tests/ --timeout 60000 --inspect"
   },
diff --git a/libraries/botframework-streaming/.gitignore b/libraries/botframework-streaming/.gitignore
index ae8afb3dab..379c65a3f6 100644
--- a/libraries/botframework-streaming/.gitignore
+++ b/libraries/botframework-streaming/.gitignore
@@ -1,5 +1,5 @@
-/browser
-/lib
-/node_modules
+es5
+lib
+node_modules
 *.js.map
-/coverage/**
+coverage/**
diff --git a/libraries/botframework-streaming/package.json b/libraries/botframework-streaming/package.json
index f897091986..2bdfd06f3c 100644
--- a/libraries/botframework-streaming/package.json
+++ b/libraries/botframework-streaming/package.json
@@ -20,7 +20,7 @@
     "url": "https://github.com/microsoft/botbuilder-js.git"
   },
   "main": "lib/index.js",
-  "browser": "browser/index-browser.js",
+  "browser": "lib/index-browser.js",
   "typings": "lib/index.d.ts",
   "dependencies": {
     "@types/ws": "^6.0.3",
@@ -31,24 +31,31 @@
     "@microsoft/api-extractor": "^7.7.12",
     "@types/chai": "^4.1.7",
     "@types/node": "^10.17.27",
+    "browserify": "16.5.2",
     "chai": "^4.2.0",
+    "exorcist": "^1.0.1",
     "mocha": "^6.2.3",
+    "npm-run-all": "^4.1.5",
     "nyc": "^15.1.0",
+    "rimraf": "^3.0.2",
     "sinon": "^7.5.0",
+    "sponge": "^0.1.0",
     "ts-node": "^4.1.0",
     "typescript": "3.5.3"
   },
   "scripts": {
-    "build": "tsc -p tsconfig.json && tsc -p tsconfig-browser.json",
+    "build": "npm-run-all -p build:lib build:es5",
+    "build:lib": "tsc -p tsconfig.json",
+    "build:es5": "tsc -p tsconfig-es5.json",
+    "postbuild": "browserify -s BFSE --debug es5/index-browser.js | exorcist lib/index-browser.js.map | sponge lib/index-browser.js",
     "build:rollup": "npm run clean && npm run build && api-extractor run --verbose --local",
-    "clean": "rmdir /q /s lib browser",
+    "clean": "rimraf q s lib es5",
     "set-version": "npm version --allow-same-version ${Version}",
     "test": "npm run build && nyc mocha tests/",
     "test:compat": "api-extractor run --verbose"
   },
   "files": [
     "lib",
-    "src",
-    "browser"
+    "src"
   ]
 }
diff --git a/libraries/botframework-streaming/tests/WebSocket.test.js b/libraries/botframework-streaming/tests/WebSocket.test.js
index 1920dfacde..e2669f55e8 100644
--- a/libraries/botframework-streaming/tests/WebSocket.test.js
+++ b/libraries/botframework-streaming/tests/WebSocket.test.js
@@ -2,7 +2,7 @@ const { expect } = require('chai');
 const { spy } = require('sinon');
 
 const { RequestHandler, StreamingRequest, WebSocketClient, WebSocketServer } = require('../');
-const { BrowserWebSocket } = require('../browser/index-browser');
+const { BrowserWebSocket } = require('../lib/index-browser');
 const { WebSocketTransport } = require('../lib/webSocket/webSocketTransport');
 
 const { FauxSock } = require('./helpers');
diff --git a/libraries/botframework-streaming/tsconfig-browser.json b/libraries/botframework-streaming/tsconfig-browser.json
deleted file mode 100644
index 06fd2efaa0..0000000000
--- a/libraries/botframework-streaming/tsconfig-browser.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "es5",
-    "lib": ["dom", "es2015"],
-    "module": "commonjs",
-    "declaration": true,
-    "declarationMap": true,
-    "sourceMap": true,
-    "outDir": "./browser",
-    "rootDir": "./src",
-    "types" : ["node"]
-  },
-  "exclude": [
-    "browser",
-    "lib",
-    "node_modules",
-    "src/index.ts",
-    "src/namedPipe",
-    "src/webSocket/index.ts",
-    "src/webSocket/node*.ts",
-    "src/webSocket/factories"
-  ]
-}
diff --git a/libraries/botframework-streaming/tsconfig-es5.json b/libraries/botframework-streaming/tsconfig-es5.json
new file mode 100644
index 0000000000..a15c3c74d8
--- /dev/null
+++ b/libraries/botframework-streaming/tsconfig-es5.json
@@ -0,0 +1,11 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "lib": ["es2015", "dom"],
+    "target": "es5",
+    "outDir": "es5"
+  },
+  "exclude": [
+    "**/*node*.ts"
+  ]
+}
diff --git a/libraries/botframework-streaming/tsconfig.json b/libraries/botframework-streaming/tsconfig.json
index 9654c027db..9b5e5c88b1 100644
--- a/libraries/botframework-streaming/tsconfig.json
+++ b/libraries/botframework-streaming/tsconfig.json
@@ -10,10 +10,10 @@
     "rootDir": "./src",
     "types" : ["node"]
   },
+  "include": [
+    "src/**/*"
+  ],
   "exclude": [
-    "**/*browser*.ts",
-    "browser",
-    "lib",
-    "node_modules"
+    "**/*browser*.ts"
   ]
-}
\ No newline at end of file
+}