diff --git a/src/CompileVisitor.php b/src/CompileVisitor.php
index eab7f1d..a052bc3 100644
--- a/src/CompileVisitor.php
+++ b/src/CompileVisitor.php
@@ -119,7 +119,8 @@ public function visitSetterMethod(string $method, Arguments $arguments): void
     }
 
     /** @inheritDoc */
-    public function visitArguments(array $arguments): void {
+    public function visitArguments(array $arguments): void
+    {
         foreach ($arguments as $argument) {
             $argument->accept($this);
         }
diff --git a/src/Compiler.php b/src/Compiler.php
index 433d6d3..567d153 100644
--- a/src/Compiler.php
+++ b/src/Compiler.php
@@ -14,7 +14,6 @@
 use function fclose;
 use function flock;
 use function fopen;
-use function is_resource;
 use function is_string;
 
 use const LOCK_EX;
@@ -31,7 +30,7 @@ public function compile(AbstractModule $module, string $scriptDir): Scripts
     {
         // Lock
         $fp = fopen($scriptDir . '/compile.lock', 'a+');
-        if ($fp === false || !flock($fp, LOCK_EX)) {
+        if ($fp === false || ! flock($fp, LOCK_EX)) {
             // @CoverageIgnoreStart
             throw new CompileLockFailed($scriptDir);
             // @CoverageIgnoreEnd