diff --git a/rules/CodeQuality/Rector/Expression/ConfiguredMockEntityToSetterObjectRector.php b/rules/CodeQuality/Rector/Expression/ConfiguredMockEntityToSetterObjectRector.php
index f4524df6..d506f469 100644
--- a/rules/CodeQuality/Rector/Expression/ConfiguredMockEntityToSetterObjectRector.php
+++ b/rules/CodeQuality/Rector/Expression/ConfiguredMockEntityToSetterObjectRector.php
@@ -26,7 +26,6 @@
 use Rector\Rector\AbstractRector;
 use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
 use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
-use Webmozart\Assert\Assert;
 
 /**
  * @see \Rector\PHPUnit\Tests\CodeQuality\Rector\Expression\ConfiguredMockEntityToSetterObjectRector\ConfiguredMockEntityToSetterObjectRectorTest
@@ -138,7 +137,6 @@ public function refactor(Node $node): ?array
         }
 
         if ($node instanceof Expression) {
-            Assert::isInstanceOf($assign, Assign::class);
             return $this->createForAssign($doctrineClass, $assign, $definedGettersArg->value, $node);
         }