diff --git a/src/Core/Actions/ScheduledActionScanner.php b/src/Core/Actions/ScheduledActionScanner.php
index 55a521d..710774c 100644
--- a/src/Core/Actions/ScheduledActionScanner.php
+++ b/src/Core/Actions/ScheduledActionScanner.php
@@ -60,7 +60,13 @@ class ScheduledActionScanner
                     continue;
                 }
 
-                $class = $this->classFromFile($file->getPathname());
+                $contents = file_get_contents($file->getPathname());
+
+                if ($contents === false || ! str_contains($contents, '#[Scheduled')) {
+                    continue;
+                }
+
+                $class = $this->classFromFile($file->getPathname(), $contents);
 
                 if ($class === null) {
                     continue;
@@ -110,9 +116,9 @@ class ScheduledActionScanner
      *
      * Reads the file's namespace declaration and class name.
      */
-    private function classFromFile(string $file): ?string
+    private function classFromFile(string $file, ?string $contents = null): ?string
     {
-        $contents = file_get_contents($file);
+        $contents ??= file_get_contents($file);
 
         if ($contents === false) {
             return null;
diff --git a/src/Core/Activity/Models/Activity.php b/src/Core/Activity/Models/Activity.php
index b95a408..52a127e 100644
--- a/src/Core/Activity/Models/Activity.php
+++ b/src/Core/Activity/Models/Activity.php
@@ -81,9 +81,9 @@ class Activity extends SpatieActivity
     /**
      * Get the changed attributes.
      *
-     * @return array<string, array{old: mixed, new: mixed}>
+     * @return \Illuminate\Support\Collection<string, array{old: mixed, new: mixed}>
      */
-    public function getChangesAttribute(): array
+    public function getChangesAttribute(): \Illuminate\Support\Collection
     {
         $old = $this->old_values;
         $new = $this->new_values;
@@ -99,7 +99,7 @@ class Activity extends SpatieActivity
             }
         }
 
-        return $changes;
+        return collect($changes);
     }
 
     /**
@@ -117,7 +117,7 @@ class Activity extends SpatieActivity
     {
         $changes = $this->changes;
 
-        if (empty($changes)) {
+        if ($changes->isEmpty()) {
             return 'No changes recorded';
         }