remove headless option (#773)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd8ff1c..772ff42 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.12.30+4
+
+* No longer run with headless mode as there are issues with the browser.
+  The headless option will be added in the future when issues are
+  resolved. 
+
 ## 0.12.30+3
 
 * Fix a memory leak when loading browser tests.
diff --git a/lib/src/runner/browser/chrome.dart b/lib/src/runner/browser/chrome.dart
index 9fe727b..ae2a2f4 100644
--- a/lib/src/runner/browser/chrome.dart
+++ b/lib/src/runner/browser/chrome.dart
@@ -46,7 +46,6 @@
 
         if (!debug) {
           args.addAll([
-            "--headless",
             "--disable-gpu",
             // We don't actually connect to the remote debugger, but Chrome will
             // close as soon as the page is loaded if we don't turn it on.
diff --git a/pubspec.yaml b/pubspec.yaml
index d595e3b..8bac00e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: test
-version: 0.12.30+3
+version: 0.12.30+4
 author: Dart Team <misc@dartlang.org>
 description: A library for writing dart unit tests.
 homepage: https://github.com/dart-lang/test