diff --git a/src/ProviderBasedGenerator.php b/src/ProviderBasedGenerator.php
index 05a56a9d..a57b3608 100644
--- a/src/ProviderBasedGenerator.php
+++ b/src/ProviderBasedGenerator.php
@@ -65,6 +65,7 @@ public function generate($name, $parameters = [], $referenceType = self::ABSOLUT
             && $parameters[RouteObjectInterface::ROUTE_OBJECT] instanceof SymfonyRoute
         ) {
             $route = $parameters[RouteObjectInterface::ROUTE_OBJECT];
+            unset($parameters[RouteObjectInterface::ROUTE_OBJECT]);
         } elseif (null === $route = $this->provider->getRouteByName($name)) {
             throw new RouteNotFoundException(sprintf('Route "%s" does not exist.', $name));
         }
diff --git a/tests/Unit/Routing/ProviderBasedGeneratorTest.php b/tests/Unit/Routing/ProviderBasedGeneratorTest.php
index 529ffea7..fd861238 100644
--- a/tests/Unit/Routing/ProviderBasedGeneratorTest.php
+++ b/tests/Unit/Routing/ProviderBasedGeneratorTest.php
@@ -21,6 +21,7 @@
 use Symfony\Component\Routing\Exception\RouteNotFoundException;
 use Symfony\Component\Routing\RequestContext;
 use Symfony\Component\Routing\Route;
+use Symfony\Component\Routing\Route as SymfonyRoute;
 
 class ProviderBasedGeneratorTest extends TestCase
 {
@@ -106,6 +107,15 @@ public function testGenerateFromRoute(): void
         $this->assertEquals('result_url', $url);
     }
 
+    public function testRemoveRouteObject(): void
+    {
+        $url = $this->generator->generate(RouteObjectInterface::OBJECT_BASED_ROUTE_NAME, [
+            RouteObjectInterface::ROUTE_OBJECT => new Proxy('/path'),
+        ]);
+
+        $this->assertEquals('result_url', $url);
+    }
+
     /**
      * @group legacy
      *
@@ -172,7 +182,12 @@ class TestableProviderBasedGenerator extends ProviderBasedGenerator
 {
     protected function doGenerate($variables, $defaults, $requirements, $tokens, $parameters, $name, $referenceType, $hostTokens, array $requiredSchemes = [])
     {
-        return 'result_url';
+        $url = 'result_url';
+        if ($parameters && $query = http_build_query($parameters, '', '&', PHP_QUERY_RFC3986)) {
+            $url .= '?'.$query;
+        }
+
+        return $url;
     }
 }
 
@@ -188,3 +203,8 @@ public function getContent(): ?object
         return null;
     }
 }
+
+class Proxy extends SymfonyRoute
+{
+    public $__isInitialized__ = true;
+}