diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 73e9fd5d..2eb76fed 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -4,7 +4,6 @@ jobs:
   pool:
     vmImage: 'Ubuntu-16.04'
   strategy:
-    parallel: 3
     matrix:
       '7.1':
         phpVersion: 7.1
diff --git a/scripts/distribute-test.js b/scripts/distribute-test.js
deleted file mode 100644
index 1154fc9d..00000000
--- a/scripts/distribute-test.js
+++ /dev/null
@@ -1,21 +0,0 @@
-const execa = require('execa');
-
-const TOTAL_AGENTS = +process.env.SYSTEM_TOTALJOBSINPHASE || 1;
-const AGENT_NUMBER = +process.env.SYSTEM_JOBPOSITIONINPHASE || 1;
-
-const tests = execa
-    .sync('./vendor/bin/phpunit', ['--list-tests'])
-    .stdout
-    .split(/\r?\n/)
-    .filter(line => line.startsWith(' - Tests'))
-    .map(line => line.replace(' - Tests\\', ''));
-
-const toBeRun = [];
-for (let i = AGENT_NUMBER, length = tests.length; i <= length; i = i + TOTAL_AGENTS) {
-    toBeRun.push(test[i - 1]);
-}
-
-execa('./vendor/bin/phpunit', [
-    `--filter='(${toBeRun.join('|')})'`,
-    `--log-junit=./junitReports/junit_${AGENT_NUMBER}.xml`
-]).stdout.pipe(process.stdout);