diff --git a/src/Concerns/Identification.php b/src/Concerns/Identification.php
index 1637aa2..5923e1f 100644
--- a/src/Concerns/Identification.php
+++ b/src/Concerns/Identification.php
@@ -6,29 +6,20 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\App;
 use Illuminate\Support\Str;
 use TiMacDonald\JsonApi\Exceptions\ResourceIdentificationException;
 use TiMacDonald\JsonApi\ResourceIdentifier;
 
 trait Identification
 {
-    private string|null $idCache = null;
+    private const ID_RESOLVER_KEY = self::class.':$idResolver';
 
-    private string|null $typeCache = null;
+    private const TYPE_RESOLVER_KEY = self::class.':$typeResolver';
 
-    /**
-     * @internal
-     *
-     * @var  (callable(mixed, Request): string)|null
-     */
-    private static $idResolver;
+    private string|null $idCache = null;
 
-    /**
-     * @internal
-     *
-     * @var  (callable(mixed, Request): string)|null
-     */
-    private static $typeResolver;
+    private string|null $typeCache = null;
 
     /**
      * @internal
@@ -58,7 +49,7 @@ public function withResourceIdentifier(callable $callback)
      */
     public static function resolveIdUsing(callable $callback)
     {
-        self::$idResolver = $callback;
+        App::instance(self::ID_RESOLVER_KEY, $callback);
     }
 
     /**
@@ -69,27 +60,7 @@ public static function resolveIdUsing(callable $callback)
      */
     public static function resolveTypeUsing(callable $callback)
     {
-        self::$typeResolver = $callback;
-    }
-
-    /**
-     * @internal
-     *
-     * @return void
-     */
-    public static function resolveIdNormally()
-    {
-        self::$idResolver = null;
-    }
-
-    /**
-     * @internal
-     *
-     * @return void
-     */
-    public static function resolveTypeNormally()
-    {
-        self::$typeResolver = null;
+        App::instance(self::TYPE_RESOLVER_KEY, $callback);
     }
 
     /**
@@ -129,16 +100,20 @@ private function resolveType(Request $request)
      */
     private static function idResolver()
     {
-        return self::$idResolver ??= function (mixed $resource, Request $request): string {
-            if (! $resource instanceof Model) {
-                throw ResourceIdentificationException::attemptingToDetermineIdFor($resource);
-            }
-
-            /**
-             * @phpstan-ignore-next-line
-             */
-            return (string) $resource->getKey();
-        };
+        if (! App::bound(self::ID_RESOLVER_KEY)) {
+            App::instance(self::ID_RESOLVER_KEY, function (mixed $resource, Request $request): string {
+                if (! $resource instanceof Model) {
+                    throw ResourceIdentificationException::attemptingToDetermineIdFor($resource);
+                }
+
+                /**
+                 * @phpstan-ignore-next-line
+                 */
+                return (string) $resource->getKey();
+            });
+        }
+
+        return App::make(self::ID_RESOLVER_KEY);
     }
 
     /**
@@ -148,13 +123,17 @@ private static function idResolver()
      */
     private static function typeResolver()
     {
-        return self::$typeResolver ??= function (mixed $resource, Request $request): string {
-            if (! $resource instanceof Model) {
-                throw ResourceIdentificationException::attemptingToDetermineTypeFor($resource);
-            }
+        if (! App::bound(self::TYPE_RESOLVER_KEY)) {
+            App::instance(self::TYPE_RESOLVER_KEY, function (mixed $resource, Request $request): string {
+                if (! $resource instanceof Model) {
+                    throw ResourceIdentificationException::attemptingToDetermineTypeFor($resource);
+                }
+
+                return Str::camel($resource->getTable());
+            });
+        }
 
-            return Str::camel($resource->getTable());
-        };
+        return App::make(self::TYPE_RESOLVER_KEY);
     }
 
     /**
diff --git a/tests/Feature/JsonApiTest.php b/tests/Feature/JsonApiTest.php
index bc1d61b..af57523 100644
--- a/tests/Feature/JsonApiTest.php
+++ b/tests/Feature/JsonApiTest.php
@@ -208,8 +208,6 @@ public function testItCanCustomiseTheTypeResolution(): void
             ],
         ]);
         $this->assertValidJsonApi($response);
-
-        JsonApiResource::resolveTypeNormally();
     }
 
     public function testItCanCustomiseTheIdResolution(): void
@@ -229,8 +227,6 @@ public function testItCanCustomiseTheIdResolution(): void
             ],
         ]);
         $this->assertValidJsonApi($response);
-
-        JsonApiResource::resolveIdNormally();
     }
 
     public function testItExcludesEmptyResourceIdentifierMeta(): void
diff --git a/tests/Unit/LinkTest.php b/tests/Unit/LinkTest.php
index 465acf4..111278b 100644
--- a/tests/Unit/LinkTest.php
+++ b/tests/Unit/LinkTest.php
@@ -71,8 +71,5 @@ public function testItCanUseHash()
         $links = json_encode($resource->toArray($request)['links']);
 
         $this->assertSame('{"foo":{"href":"http:\/\/foo.com"}}', $links);
-
-        JsonApiResource::resolveIdNormally();
-        JsonApiResource::resolveTypeNormally();
     }
 }