diff --git a/src/BrefCloudClient.php b/src/BrefCloudClient.php
index 7fab979..6873cea 100644
--- a/src/BrefCloudClient.php
+++ b/src/BrefCloudClient.php
@@ -299,9 +299,17 @@ public function findEnvironment(string $teamSlug, string $appName, string $envir
         return $result;
     }
 
-    public function removeEnvironment(int $environmentId): void
+    /**
+     * @return string|null A message from Bref Cloud to show once the environment is removed.
+     */
+    public function removeEnvironment(int $environmentId, bool $deleteSecrets = false): ?string
     {
-        $this->client->request('DELETE', '/api/v1/environments/' . $environmentId);
+        /** @var array{message?: string|null} $result */
+        $result = $this->client->request('DELETE', '/api/v1/environments/' . $environmentId, [
+            'json' => ['delete_secrets' => $deleteSecrets],
+        ])->toArray();
+
+        return $result['message'] ?? null;
     }
 
     /**
diff --git a/src/Commands/Remove.php b/src/Commands/Remove.php
index 2daa9cc..5a819a8 100644
--- a/src/Commands/Remove.php
+++ b/src/Commands/Remove.php
@@ -6,17 +6,25 @@
 use Bref\Cli\Cli\IO;
 use Bref\Cli\Cli\Styles;
 use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Contracts\HttpClient\Exception\HttpExceptionInterface;
 use function Amp\delay;
 
 class Remove extends ApplicationCommand
 {
+    public function __construct(
+        private readonly ?BrefCloudClient $brefCloud = null,
+    ) {
+        parent::__construct();
+    }
+
     protected function configure(): void
     {
         $this
             ->setName('remove')
-            ->setDescription('Remove an environment of an application');
+            ->setDescription('Remove an environment of an application')
+            ->addOption('delete-secrets', null, InputOption::VALUE_NONE, 'Also delete the secrets of the environment (kept by default, so that deploying it again reuses them)');
         parent::configure();
     }
 
@@ -35,12 +43,12 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
         IO::spin('removing');
 
-        $brefCloud = new BrefCloudClient;
+        $brefCloud = $this->brefCloud ?? new BrefCloudClient;
         $environment = $brefCloud->findEnvironment($team, $appName, $environmentName);
         $environmentId = $environment['id'];
 
         IO::verbose('Triggering asynchronous removal of environment ' . $environmentId);
-        $brefCloud->removeEnvironment($environmentId);
+        $message = $brefCloud->removeEnvironment($environmentId, (bool) $input->getOption('delete-secrets'));
 
         while (true) {
             try {
@@ -56,6 +64,10 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
         IO::spinSuccess('removed');
 
+        if ($message) {
+            IO::writeln(['', $message]);
+        }
+
         return 0;
     }
 }
diff --git a/tests/Commands/CommandTestCase.php b/tests/Commands/CommandTestCase.php
index d4819a0..e4ac6a9 100644
--- a/tests/Commands/CommandTestCase.php
+++ b/tests/Commands/CommandTestCase.php
@@ -3,6 +3,7 @@
 namespace Bref\Cli\Test\Commands;
 
 use Bref\Cli\BrefCloudClient;
+use Closure;
 use Laravel\AgentDetector\AgentDetector;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\HttpClient\MockHttpClient;
@@ -39,7 +40,8 @@ protected function runByAnAgent(): void
     }
 
     /**
-     * @param array<string, mixed> $routes Responses indexed by path, a MockResponse or data to return as JSON.
+     * @param array<string, mixed> $routes Responses indexed by path, a MockResponse or data to return as JSON,
+     *                                    or a closure that returns one of those for the HTTP method.
      */
     protected function brefCloud(array $routes): BrefCloudClient
     {
@@ -54,7 +56,9 @@ protected function brefCloud(array $routes): BrefCloudClient
                 $this->fail("Unexpected request: $method $url");
             }
 
-            return $routes[$path] instanceof MockResponse ? $routes[$path] : $this->json($routes[$path]);
+            $response = $routes[$path] instanceof Closure ? $routes[$path]($method) : $routes[$path];
+
+            return $response instanceof MockResponse ? $response : $this->json($response);
         }, 'https://bref.cloud');
 
         return new BrefCloudClient(client: $client);
diff --git a/tests/Commands/RemoveTest.php b/tests/Commands/RemoveTest.php
new file mode 100644
index 0000000..5ac4377
--- /dev/null
+++ b/tests/Commands/RemoveTest.php
@@ -0,0 +1,63 @@
+<?php declare(strict_types=1);
+
+namespace Bref\Cli\Test\Commands;
+
+use Bref\Cli\Cli\IO;
+use Bref\Cli\Commands\Remove;
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Output\BufferedOutput;
+
+class RemoveTest extends CommandTestCase
+{
+    public function test_shows_the_message_from_bref_cloud(): void
+    {
+        [$status, $display] = $this->remove(['message' => 'Secrets of this environment are kept in SSM Parameter Store under /shop/prod/.']);
+
+        $this->assertSame(0, $status, $display);
+        $this->assertStringContainsString('Secrets of this environment are kept in SSM Parameter Store under /shop/prod/.', $display);
+    }
+
+    public function test_secrets_are_kept_unless_asked(): void
+    {
+        $this->remove([]);
+        $this->assertSame(['delete_secrets' => false], $this->requestBodies['/api/v1/environments/12']);
+
+        $this->remove([], ['--delete-secrets' => true]);
+        $this->assertSame(['delete_secrets' => true], $this->requestBodies['/api/v1/environments/12']);
+    }
+
+    public function test_bref_cloud_may_return_no_message(): void
+    {
+        [$status, $display] = $this->remove([]);
+
+        $this->assertSame(0, $status, $display);
+        $this->assertStringContainsString('removed', $display);
+    }
+
+    /**
+     * @param array<string, mixed> $deletion What Bref Cloud returns when asked to remove the environment
+     * @param array<string, mixed> $options Options of the command
+     * @return array{int, string} The exit code and the output
+     */
+    private function remove(array $deletion, array $options = []): array
+    {
+        $command = new Remove($this->brefCloud([
+            '/api/v1/environments/find' => $this->environment(),
+            '/api/v1/environments/12' => fn(string $method) => $method === 'DELETE'
+                ? $this->json($deletion, 202)
+                : $this->json(['message' => 'Not found'], 404),
+        ]));
+        $configFile = sys_get_temp_dir() . '/bref-cli-test-' . bin2hex(random_bytes(4)) . '.yml';
+        file_put_contents($configFile, "service: shop\nbref:\n    team: acme\n");
+        $input = new ArrayInput(['--env' => 'prod', '--config' => $configFile, ...$options]);
+        $input->setInteractive(false);
+        $output = new BufferedOutput;
+        IO::init($input, $output);
+
+        $status = $command->run($input, $output);
+        IO::stop();
+        unlink($configFile);
+
+        return [$status, $output->fetch()];
+    }
+}