diff --git a/src/Bootstrappers/BootFiles.php b/src/Bootstrappers/BootFiles.php
index 13ad0504..7629e7ed 100644
--- a/src/Bootstrappers/BootFiles.php
+++ b/src/Bootstrappers/BootFiles.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Pest\Bootstrappers;
 
+use Pest\Support\DatasetInfo;
 use Pest\Support\Str;
 use function Pest\testDirectory;
 use Pest\TestSuite;
@@ -79,20 +80,9 @@ final class BootFiles
     {
         $files = (new PhpUnitFileIterator)->getFilesAsArray($testsPath, '.php');
 
-        foreach ($files as $fullPath) {
-            $filename = Str::afterLast($fullPath, DIRECTORY_SEPARATOR);
-
-            if ($filename === 'Datasets.php') {
-                $this->load($fullPath);
-
-                continue;
-            }
-
-            $directoryFullPath = Str::beforeLast($fullPath, DIRECTORY_SEPARATOR);
-            $directory = Str::afterLast($directoryFullPath, DIRECTORY_SEPARATOR);
-
-            if ($directory === 'Datasets') {
-                $this->load($fullPath);
+        foreach ($files as $file) {
+            if (DatasetInfo::isADatasetsFile($file) || DatasetInfo::isInsideADatasetsDirectory($file)) {
+                $this->load($file);
             }
         }
     }
diff --git a/src/Functions.php b/src/Functions.php
index a1dad4fe..ea53c22c 100644
--- a/src/Functions.php
+++ b/src/Functions.php
@@ -9,8 +9,8 @@ use Pest\PendingCalls\TestCall;
 use Pest\PendingCalls\UsesCall;
 use Pest\Repositories\DatasetsRepository;
 use Pest\Support\Backtrace;
+use Pest\Support\DatasetInfo;
 use Pest\Support\HigherOrderTapProxy;
-use Pest\Support\Str;
 use Pest\TestSuite;
 use PHPUnit\Framework\TestCase;
 
@@ -61,16 +61,7 @@ if (! function_exists('dataset')) {
      */
     function dataset(string $name, Closure|iterable $dataset): void
     {
-        $file = Backtrace::datasetsFile();
-        $filename = Str::afterLast($file, DIRECTORY_SEPARATOR);
-        $scope = Str::beforeLast($file, DIRECTORY_SEPARATOR);
-
-        if (Str::afterLast($scope, DIRECTORY_SEPARATOR) === 'Datasets') {
-            $scope = Str::beforeLast($scope, DIRECTORY_SEPARATOR);
-        } elseif ($filename !== 'Datasets.php') {
-            $scope = $file;
-        }
-
+        $scope = DatasetInfo::scope(Backtrace::datasetsFile());
         DatasetsRepository::set($name, $dataset, $scope);
     }
 }
diff --git a/src/Support/DatasetInfo.php b/src/Support/DatasetInfo.php
new file mode 100644
index 00000000..cfcf65b6
--- /dev/null
+++ b/src/Support/DatasetInfo.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Support;
+
+/**
+ * @internal
+ */
+final class DatasetInfo
+{
+    public const DATASETS_DIR_NAME = 'Datasets';
+
+    public const DATASETS_FILE_NAME = 'Datasets.php';
+
+    public static function isInsideADatasetsDirectory(string $file): bool
+    {
+        return basename(dirname($file)) === self::DATASETS_DIR_NAME;
+    }
+
+    public static function isADatasetsFile(string $file): bool
+    {
+        return basename($file) === self::DATASETS_FILE_NAME;
+    }
+
+    public static function scope(string $file): string
+    {
+        if (self::isInsideADatasetsDirectory($file)) {
+            return dirname($file, 2);
+        }
+
+        if (self::isADatasetsFile($file)) {
+            return dirname($file);
+        }
+
+        return $file;
+    }
+}
diff --git a/src/Support/Str.php b/src/Support/Str.php
index 28d4ef93..69522b6a 100644
--- a/src/Support/Str.php
+++ b/src/Support/Str.php
@@ -59,24 +59,6 @@ final class Str
         return (string) preg_replace('/[^A-Z_a-z0-9\\\\]/', '', $code);
     }
 
-    /**
-     * Return the remainder of a string after the last occurrence of a given value.
-     */
-    public static function afterLast(string $subject, string $search): string
-    {
-        if ($search === '') {
-            return $subject;
-        }
-
-        $position = strrpos($subject, $search);
-
-        if ($position === false) {
-            return $subject;
-        }
-
-        return substr($subject, $position + strlen($search));
-    }
-
     /**
      * Get the portion of a string before the last occurrence of a given value.
      */
diff --git a/tests/.snapshots/success.txt b/tests/.snapshots/success.txt
index 50598b85..f8819365 100644
--- a/tests/.snapshots/success.txt
+++ b/tests/.snapshots/success.txt
@@ -829,6 +829,26 @@
   ✓ it can resolve builtin value types
   ✓ it cannot resolve a parameter without type
 
+   PASS  Tests\Unit\Support\DatasetInfo
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Datase...rs.php', true)
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Datasets.php', false)
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur...rs.php', true)
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur...rs.php', false)
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur...ts.php', false)
+  ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Datase...rs.php', false)
+  ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Datasets.php', true)
+  ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Featur...rs.php', false) #1
+  ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Featur...rs.php', false) #2
+  ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Featur...ts.php', true)
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Datase...rs.php', '/var/www/project/tests')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Datasets.php', '/var/www/project/tests')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur...rs.php', '/var/www/project/tests/Features')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur...rs.php', '/var/www/project/tests/Featur...rs.php') #1
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur...ts.php', '/var/www/project/tests/Features')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur...rs.php', '/var/www/project/tests/Featur...ollers')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur...rs.php', '/var/www/project/tests/Featur...rs.php') #2
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur...ts.php', '/var/www/project/tests/Featur...ollers')
+
    PASS  Tests\Unit\Support\Reflection
   ✓ it gets file name from closure
   ✓ it gets property values
@@ -860,4 +880,4 @@
    PASS  Tests\Visual\Version
   ✓ visual snapshot of help command output
 
-  Tests:    4 incomplete, 2 todos, 18 skipped, 593 passed (1503 assertions)
\ No newline at end of file
+  Tests:    4 incomplete, 2 todos, 18 skipped, 611 passed (1521 assertions)
\ No newline at end of file
diff --git a/tests/Unit/Support/DatasetInfo.php b/tests/Unit/Support/DatasetInfo.php
new file mode 100644
index 00000000..dfe2b417
--- /dev/null
+++ b/tests/Unit/Support/DatasetInfo.php
@@ -0,0 +1,36 @@
+<?php
+
+use Pest\Support\DatasetInfo;
+
+it('can check if dataset is defined inside a Datasets directory', function (string $file, bool $inside) {
+    expect(DatasetInfo::isInsideADatasetsDirectory($file))->toBe($inside);
+})->with([
+    ['file' => '/var/www/project/tests/Datasets/Numbers.php', 'inside' => true],
+    ['file' => '/var/www/project/tests/Datasets.php', 'inside' => false],
+    ['file' => '/var/www/project/tests/Features/Datasets/Numbers.php', 'inside' => true],
+    ['file' => '/var/www/project/tests/Features/Numbers.php', 'inside' => false],
+    ['file' => '/var/www/project/tests/Features/Datasets.php', 'inside' => false],
+]);
+
+it('can check if dataset is defined inside a Datasets.php file', function (string $path, bool $inside) {
+    expect(DatasetInfo::isADatasetsFile($path))->toBe($inside);
+})->with([
+    ['file' => '/var/www/project/tests/Datasets/Numbers.php', 'inside' => false],
+    ['file' => '/var/www/project/tests/Datasets.php', 'inside' => true],
+    ['file' => '/var/www/project/tests/Features/Datasets/Numbers.php', 'inside' => false],
+    ['file' => '/var/www/project/tests/Features/Numbers.php', 'inside' => false],
+    ['file' => '/var/www/project/tests/Features/Datasets.php', 'inside' => true],
+]);
+
+it('computes the dataset scope', function (string $file, string $scope) {
+    expect(DatasetInfo::scope($file))->toBe($scope);
+})->with([
+    ['file' => '/var/www/project/tests/Datasets/Numbers.php', 'scope' => '/var/www/project/tests'],
+    ['file' => '/var/www/project/tests/Datasets.php', 'scope' => '/var/www/project/tests'],
+    ['file' => '/var/www/project/tests/Features/Datasets/Numbers.php', 'scope' => '/var/www/project/tests/Features'],
+    ['file' => '/var/www/project/tests/Features/Numbers.php', 'scope' => '/var/www/project/tests/Features/Numbers.php'],
+    ['file' => '/var/www/project/tests/Features/Datasets.php', 'scope' => '/var/www/project/tests/Features'],
+    ['file' => '/var/www/project/tests/Features/Controllers/Datasets/Numbers.php', 'scope' => '/var/www/project/tests/Features/Controllers'],
+    ['file' => '/var/www/project/tests/Features/Controllers/Numbers.php', 'scope' => '/var/www/project/tests/Features/Controllers/Numbers.php'],
+    ['file' => '/var/www/project/tests/Features/Controllers/Datasets.php', 'scope' => '/var/www/project/tests/Features/Controllers'],
+]);