diff --git a/dop b/dop
index 71af7ab..763b10d 100755
--- a/dop
+++ b/dop
@@ -3,6 +3,7 @@
 
 require __DIR__ . '/vendor/autoload.php';
 
+use DrupalPatchUtils\Command\CleanupGitBranches;
 use DrupalPatchUtils\Command\Configure;
 use DrupalPatchUtils\Command\CreateIssue;
 use DrupalPatchUtils\Command\IssuePruner;
@@ -29,4 +30,5 @@ $application->add(new Login());
 $application->add(new Logout());
 $application->add(new RemainingCriticals());
 $application->add(new IssuePruner());
+$application->add(new CleanupGitBranches());
 $application->run();
diff --git a/src/DrupalPatchUtils/Command/CleanupGitBranches.php b/src/DrupalPatchUtils/Command/CleanupGitBranches.php
new file mode 100644
index 0000000..42f294e
--- /dev/null
+++ b/src/DrupalPatchUtils/Command/CleanupGitBranches.php
@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * @file
+ * Contains \DrupalPatchUtils\Command\CleanupGitBranches.
+ */
+
+namespace DrupalPatchUtils\Command;
+
+use DrupalPatchUtils\DoBrowser;
+use DrupalPatchUtils\DoFormBase;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Process\Process;
+
+class CleanupGitBranches extends CommandBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function configure()
+  {
+    $this
+      ->setName('cleanupGitBranches')
+      ->setAliases(['cgb'])
+      ->setDescription('Removes all git branches which has closed issues.');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function execute(InputInterface $input, OutputInterface $output) {
+    $process = new Process('git branch');
+    $process->run();
+
+    $branches = array_map('trim', explode("\n", $process->getOutput()));
+
+    $browser = new DoBrowser();
+    if (!$browser->loggedIn()) {
+      $browser->login($this->getConfig()->getDrupalUser(), $this->ask($output, "Enter your Drupal.org password: ", '', TRUE));
+    }
+
+    // Find all branches which don't need further work on.
+    foreach ($branches as $branch) {
+      if (is_numeric($branch)) {
+        $issue = $this->getIssue($branch);
+
+        $form = $browser->getCommentForm($issue->getUri());
+        if (in_array($form->getStatus(), [DoFormBase::STATUS_CLOSED_DUPLICATE, DoFormBase::STATUS_CLOSED_WONT_FIX, DoFormBase::STATUS_CLOSED_WORKS, DoFormBase::STATUS_CLOSED_CANT_REPRODUCE, DoFormBase::STATUS_CLOSED_FIXED])) {
+          $output->writeln(sprintf("Remove branch: %s", $branch));
+          $process = new Process(sprintf('git branch -d %s', $branch));
+          $process->run();
+        }
+      }
+    }
+  }
+
+
+}
diff --git a/src/DrupalPatchUtils/DoFormBase.php b/src/DrupalPatchUtils/DoFormBase.php
index ae2a515..29e0cf3 100644
--- a/src/DrupalPatchUtils/DoFormBase.php
+++ b/src/DrupalPatchUtils/DoFormBase.php
@@ -71,5 +71,10 @@ protected function setStatus($value) {
     return $this;
   }
 
+  public function getStatus() {
+    $status = $this->form->get('field_issue_status[und]');
+    return $status->getValue();
+  }
+
 }