diff --git a/src/Manager.php b/src/Manager.php
index c788ce9..9e73644 100644
--- a/src/Manager.php
+++ b/src/Manager.php
@@ -53,7 +53,9 @@ public function __construct(Filesystem $disk, $path, array $syncPaths)
      */
     public function files()
     {
-        $files = Collection::make($this->disk->allFiles($this->path));
+        $files = Collection::make($this->disk->allFiles($this->path))->filter(function ($file) {
+            return $this->disk->extension($file) == 'php';
+        });
 
         $filesByFile = $files->groupBy(function ($file) {
             $fileName = $file->getBasename('.'.$file->getExtension());
@@ -118,12 +120,12 @@ public function languages()
         }, $this->disk->directories($this->path));
 
         $languages = array_filter($languages, function ($directory) {
-            return $directory != 'vendor';
+            return $directory != 'vendor' && $directory != 'json';
         });
 
         sort($languages);
 
-        return Arr::except($languages, ['vendor']);
+        return Arr::except($languages, ['vendor', 'json']);
     }
 
     /**