diff --git a/Build/bamboo/src/main/java/core/AbstractCoreSpec.java b/Build/bamboo/src/main/java/core/AbstractCoreSpec.java
index 55c9d1478a77614387c8247fe09b8282b0cbcd94..f2cf0538f0430e208d755eb475a9d1b45a044748 100644
--- a/Build/bamboo/src/main/java/core/AbstractCoreSpec.java
+++ b/Build/bamboo/src/main/java/core/AbstractCoreSpec.java
@@ -710,27 +710,16 @@ abstract public class AbstractCoreSpec {
      */
     protected Task getTaskPrepareAcceptanceTest() {
         return new ScriptTask()
-            .description("Start xvfb, selenium, php web server, prepare chrome environment")
+            .description("Start php web server, chromedriver, prepare environment")
             .interpreter(ScriptTaskProperties.Interpreter.BINSH_OR_CMDEXE)
             .inlineBody(
                 this.getScriptTaskBashInlineBody() +
-                "# start xvfb until chrome headless can be used\n" +
-                "/sbin/start-stop-daemon --start --quiet --pidfile xvfb.pid --make-pidfile --background --exec /usr/bin/Xvfb :99\n" +
-                "\n" +
-                "# the display chrome should render to (xvfb)\n" +
-                "export DISPLAY=\":99\"\n" +
-                "\n" +
-                "PATH=$PATH:./bin DBUS_SESSION_BUS_ADDRESS=/dev/null ./bin/selenium-server-standalone >/dev/null 2>&1 & \n" +
-                "echo $! > selenium.pid\n" +
-                "\n" +
-                "# Wait for selenium server to load\n" +
-                "until $(curl --output /dev/null --silent --head --fail http://localhost:4444/wd/hub); do\n" +
-                "    printf '.'\n    sleep 1\n" +
-                "done\n" +
-                "\n" +
                 "php -S localhost:8000 >/dev/null 2>&1 &\n" +
                 "echo $! > phpserver.pid\n" +
                 "\n" +
+                "./bin/chromedriver --url-base=/wd/hub >/dev/null 2>&1 &\n" +
+                "echo $! > chromedriver.pid\n" +
+                "\n" +
                 "mkdir -p typo3temp/var/tests/\n"
             );
     }
@@ -804,13 +793,12 @@ abstract public class AbstractCoreSpec {
      */
     protected Task getTaskTearDownAcceptanceTestSetup() {
         return new ScriptTask()
-            .description("Stop acceptance test services like selenium and friends")
+            .description("Stop acceptance test services like chromedriver and friends")
             .interpreter(ScriptTaskProperties.Interpreter.BINSH_OR_CMDEXE)
             .inlineBody(
                 this.getScriptTaskBashInlineBody() +
                 "kill `cat phpserver.pid`\n" +
-                "kill `cat selenium.pid`\n" +
-                "kill `cat xvfb.pid`\n"
+                "kill `cat chromedriver.pid`\n"
             );
     }
 
diff --git a/Build/bamboo/src/main/java/core/NightlySpec.java b/Build/bamboo/src/main/java/core/NightlySpec.java
index b334bc9c1f2e0c7c593ba8f89e91357d7200c18e..b1369d81d353d521cf25c1e5573c66bc19527058 100644
--- a/Build/bamboo/src/main/java/core/NightlySpec.java
+++ b/Build/bamboo/src/main/java/core/NightlySpec.java
@@ -50,8 +50,8 @@ public class NightlySpec extends AbstractCoreSpec {
     public static void main(final String[] args) throws Exception {
         // By default credentials are read from the '.credentials' file.
         BambooServer bambooServer = new BambooServer(bambooServerName);
-        bambooServer.publish(new PreMergeSpec().createPlan());
-        bambooServer.publish(new PreMergeSpec().getDefaultPlanPermissions(projectKey, planKey));
+        bambooServer.publish(new NightlySpec().createPlan());
+        bambooServer.publish(new NightlySpec().getDefaultPlanPermissions(projectKey, planKey));
     }
 
     /**
diff --git a/composer.json b/composer.json
index 242503bd059f5d1c8d776a33a5be30ac074b0c28..f97622d0e4f095d6337d59f78681d5023cadcf06 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,6 @@
 	"require-dev": {
 		"typo3/testing-framework": "~1.1.0",
 		"codeception/codeception": "^2.3",
-		"se/selenium-server-standalone": "~3.5.3",
 		"enm1989/chromedriver": "~2.30",
 		"typo3/cms-styleguide": "~8.0.8",
 		"friendsofphp/php-cs-fixer": "^2.0",
diff --git a/composer.lock b/composer.lock
index 8929c741778d72f9386aa5d7d20477055cf270ee..c75b571ecf780f127b8107e3bd2326140b48f139 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "39fb5729c819eb6e537ecb0896070c60",
+    "content-hash": "35c4d8cf070c5caf16b0faa1d7ccf03f",
     "packages": [
         {
             "name": "cogpowered/finediff",
@@ -2744,45 +2744,6 @@
             ],
             "time": "2017-03-03T06:30:20+00:00"
         },
-        {
-            "name": "se/selenium-server-standalone",
-            "version": "3.5.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/sveneisenschmidt/selenium-server-standalone.git",
-                "reference": "d3b5c43ca9c72d2abdbb3692d9cdda2dc20d9634"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/sveneisenschmidt/selenium-server-standalone/zipball/d3b5c43ca9c72d2abdbb3692d9cdda2dc20d9634",
-                "reference": "d3b5c43ca9c72d2abdbb3692d9cdda2dc20d9634",
-                "shasum": ""
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.0"
-            },
-            "bin": [
-                "bin/selenium-server-standalone"
-            ],
-            "type": "library",
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "Apache 2.0"
-            ],
-            "authors": [
-                {
-                    "name": "Sven Eisenschmidt",
-                    "email": "sven.eisenschmidt@gmail.com"
-                }
-            ],
-            "description": "Composer distribution of Selenium Server Standalone, the browser automation framework. Adds a executable to your composer bin directory.",
-            "homepage": "https://github.com/sveneisenschmidt/selenium-server-standalone",
-            "keywords": [
-                "selenium",
-                "testing"
-            ],
-            "time": "2017-09-06T10:38:18+00:00"
-        },
         {
             "name": "sebastian/code-unit-reverse-lookup",
             "version": "1.0.1",
diff --git a/typo3/sysext/core/Tests/Acceptance.suite.yml b/typo3/sysext/core/Tests/Acceptance.suite.yml
index 0f6a3c273e2556dbb53e2019adbc409fa401939e..6f48474ad040acff249db9de1fd0a9e12c052ac2 100644
--- a/typo3/sysext/core/Tests/Acceptance.suite.yml
+++ b/typo3/sysext/core/Tests/Acceptance.suite.yml
@@ -8,8 +8,7 @@ modules:
     WebDriver:
       url: http://localhost:8000/typo3temp/var/tests/acceptance
       browser: chrome
-      port: 4444
-      wait: 1
+      port: 9515
       capabilities:
         # Disable the "scroll to element before clicking" behavior as this breaks tests
         # where for example a fixed docbar is used. Selenium scrolls to the element before
diff --git a/typo3/sysext/core/Tests/AcceptanceInstallMysql.suite.yml b/typo3/sysext/core/Tests/AcceptanceInstallMysql.suite.yml
index 913c495fb7a1fff46e615c08fe5cbe5309f642ab..7a43af848913599fe7dfaab4e3cab4d1a1cb74da 100644
--- a/typo3/sysext/core/Tests/AcceptanceInstallMysql.suite.yml
+++ b/typo3/sysext/core/Tests/AcceptanceInstallMysql.suite.yml
@@ -8,8 +8,7 @@ modules:
     WebDriver:
       url: http://localhost:8000/typo3temp/var/tests/acceptanceinstallmysql
       browser: chrome
-      port: 4444
-      wait: 1
+      port: 9515
       capabilities:
         # Disable the "scroll to element before clicking" behavior as this breaks tests
         # where for example a fixed docbar is used. Selenium scrolls to the element before
diff --git a/typo3/sysext/core/Tests/AcceptanceInstallPgsql.suite.yml b/typo3/sysext/core/Tests/AcceptanceInstallPgsql.suite.yml
index ff61dcf32a7361e20629b7d362cc49ae9ca81f39..a4de5299788849c9cdac2c98a6e925cd9e2099cf 100644
--- a/typo3/sysext/core/Tests/AcceptanceInstallPgsql.suite.yml
+++ b/typo3/sysext/core/Tests/AcceptanceInstallPgsql.suite.yml
@@ -8,8 +8,7 @@ modules:
     WebDriver:
       url: http://localhost:8000/typo3temp/var/tests/acceptanceinstallpgsql
       browser: chrome
-      port: 4444
-      wait: 1
+      port: 9515
       capabilities:
         # Disable the "scroll to element before clicking" behavior as this breaks tests
         # where for example a fixed docbar is used. Selenium scrolls to the element before