diff --git a/src/EventListener/PreAssetsCompileListener.php b/src/EventListener/PreAssetsCompileListener.php
index 9eb2cea..3095223 100644
--- a/src/EventListener/PreAssetsCompileListener.php
+++ b/src/EventListener/PreAssetsCompileListener.php
@@ -19,7 +19,7 @@ public function __invoke(PreAssetsCompileEvent $event): void
         $this->typeScriptBuilder
             ->setOutput($output);
         foreach ($this->typeScriptBuilder->createAllBuildProcess() as $process) {
-            $process->wait(function ($type, $buffer) use ($output) {
+            $process->wait(static function ($type, $buffer) use ($output) {
                 $output->write($buffer);
             });
 
diff --git a/src/Tools/WatcherBinary.php b/src/Tools/WatcherBinary.php
index b88b3af..c82ffdd 100644
--- a/src/Tools/WatcherBinary.php
+++ b/src/Tools/WatcherBinary.php
@@ -21,26 +21,25 @@ public function startWatch(string $watchPath, callable $callback, array $extensi
         }
         $process = new Process([$this->executablePath, $watchPath]);
 
-        $process->start(function ($type, $buffer) use ($callback, $extensions) {
+        $process->start(static function ($type, $buffer) use ($callback, $extensions) {
             if (Process::ERR === $type) {
                 throw new \Exception($buffer);
-            } else {
-                $lines = explode("\n", $buffer);
-                $changedFiles = [];
-                foreach ($lines as $line) {
-                    try {
-                        $entry = json_decode($line, true, 512, \JSON_THROW_ON_ERROR);
-                        if ($extensions && !\in_array(pathinfo($entry['name'], \PATHINFO_EXTENSION), $extensions)) {
-                            continue;
-                        }
-                        $changedFiles[$entry['name']] = $entry['operation'];
-                    } catch (\JsonException) {
+            }
+            $lines = explode("\n", $buffer);
+            $changedFiles = [];
+            foreach ($lines as $line) {
+                try {
+                    $entry = json_decode($line, true, 512, \JSON_THROW_ON_ERROR);
+                    if ($extensions && !\in_array(pathinfo($entry['name'], \PATHINFO_EXTENSION), $extensions)) {
                         continue;
                     }
+                    $changedFiles[$entry['name']] = $entry['operation'];
+                } catch (\JsonException) {
+                    continue;
                 }
-                foreach ($changedFiles as $file => $operation) {
-                    $callback($file, $operation);
-                }
+            }
+            foreach ($changedFiles as $file => $operation) {
+                $callback($file, $operation);
             }
         });
 
diff --git a/tests/Tools/WatcherBinaryFactoryTest.php b/tests/Tools/WatcherBinaryFactoryTest.php
index 4fedd18..be7b909 100644
--- a/tests/Tools/WatcherBinaryFactoryTest.php
+++ b/tests/Tools/WatcherBinaryFactoryTest.php
@@ -14,7 +14,7 @@ public function testGetBinaryFromServerSpecs(): void
     {
         // Test that the binary exists and the process is created with the correct arguments
         $binary = (new WatcherBinaryFactory())->getBinaryFromServerSpecs('Linux');
-        $process = $binary->startWatch($this->watchPath, fn ($path, $operation) => '');
+        $process = $binary->startWatch($this->watchPath, static fn ($path, $operation) => '');
         $this->assertEquals('\''.realpath($this->binaryDir).'/watcher-linux\' \''.$this->watchPath.'/...\'', $process->getCommandLine());
 
         // Test that an exception is thrown when the platform is not supported