diff --git a/composer.json b/composer.json
index c26be1f..997dd0b 100644
--- a/composer.json
+++ b/composer.json
@@ -6,8 +6,8 @@
     "minimum-stability": "stable",
     "require":           {
         "php":                    "^7.4 || ^8.0",
-        "symfony/console":        "^6.0",
-        "jrosset/betterphptoken": "^1.0"
+        "jrosset/betterphptoken": "^1.0",
+        "symfony/console":        "^6.0"
     },
     "autoload":          {
         "psr-4":                 {
diff --git a/src/CliProgram/SafeApplication.php b/src/CliProgram/SafeApplication.php
deleted file mode 100644
index b36537e..0000000
--- a/src/CliProgram/SafeApplication.php
+++ /dev/null
@@ -1,76 +0,0 @@
-<?php
-
-namespace jrosset\CliProgram;
-
-use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-use Throwable;
-
-/**
- * A “safe” application: without runtime exception
- *
- * Runtime exception are treated by {@see SafeApplication::processRuntimeException()}
- */
-trait SafeApplication {
-    /**
-     * @var int The exit code used when command failed with an exception
-     *
-     * @see SafeApplication::processRuntimeException()
-     */
-    private int $exceptionFailureExitCode = Command::FAILURE;
-
-    /**
-     * Runs the current application.
-     *
-     * @param InputInterface|null  $input  The input (i.e. argv)
-     * @param OutputInterface|null $output The output (i.e. STDOUT and STDERR)
-     *
-     * @return int The exit code: 0 if everything went fine, or an error code
-     */
-    public function run (?InputInterface $input = null, ?OutputInterface $output = null): int {
-        try {
-            return parent::run($input, $output);
-        }
-        catch (Throwable $exception) {
-            return $this->processRuntimeException($exception, $input, $output);
-        }
-    }
-
-    /**
-     * The exit code used when command failed with an exception
-     *
-     * @return int The exit code used when command failed with an exception
-     */
-    public function getExceptionFailureExitCode (): int {
-        return $this->exceptionFailureExitCode;
-    }
-    /**
-     * Set the exit code used when command failed with an exception
-     *
-     * @param int $exceptionFailureExitCode The new exit code used when command failed with an exception
-     *
-     * @return $this
-     */
-    public function setExceptionFailureExitCode (int $exceptionFailureExitCode): self {
-        $this->exceptionFailureExitCode = $exceptionFailureExitCode;
-        return $this;
-    }
-    /**
-     * Process runtime exception
-     *
-     * Default behavior: write exception message to <b>$output</b> (error) and return {@see SafeApplication::$exceptionFailureExitCode}
-     *
-     * @param Throwable       $exception The exception
-     * @param InputInterface  $input The input (i.e. argv)
-     * @param OutputInterface $output The output (i.e. STDOUT and STDERR)
-     *
-     * @return int The exit code
-     *
-     * @noinspection PhpUnusedParameterInspection
-     */
-    protected function processRuntimeException (Throwable $exception, InputInterface $input, OutputInterface $output): int {
-        $output->writeln('<error>' . $exception->getMessage() . '</error>');
-        return $this->exceptionFailureExitCode;
-    }
-}
\ No newline at end of file