diff --git a/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php b/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
index 2a3d52a448d10..a4212c1982de3 100644
--- a/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
+++ b/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
@@ -152,10 +152,6 @@ public function evaluate(array $functions, array $values): mixed
                 return $left >= $right;
             case '<=':
                 return $left <= $right;
-            case 'not in':
-                return !\in_array($left, $right, true);
-            case 'in':
-                return \in_array($left, $right, true);
             case '+':
                 return $left + $right;
             case '-':
@@ -179,6 +175,8 @@ public function evaluate(array $functions, array $values): mixed
             case 'matches':
                 return $this->evaluateMatches($right, $left);
         }
+
+        throw new \LogicException(\sprintf('"%s" does not support the "%s" operator.', __CLASS__, $operator));
     }
 
     public function toArray(): array
diff --git a/src/Symfony/Component/ExpressionLanguage/Tests/Node/BinaryNodeTest.php b/src/Symfony/Component/ExpressionLanguage/Tests/Node/BinaryNodeTest.php
index e75a3d4fbb3b7..239d952f73c4a 100644
--- a/src/Symfony/Component/ExpressionLanguage/Tests/Node/BinaryNodeTest.php
+++ b/src/Symfony/Component/ExpressionLanguage/Tests/Node/BinaryNodeTest.php
@@ -258,4 +258,14 @@ public function testInOperatorStrictness(mixed $value)
 
         $this->assertFalse($node->evaluate([], []));
     }
+
+    public function testEvaluateUnsupportedOperator()
+    {
+        $node = new BinaryNode('unsupported', new ConstantNode(1), new ConstantNode(2));
+
+        $this->expectException(\LogicException::class);
+        $this->expectExceptionMessage('"Symfony\Component\ExpressionLanguage\Node\BinaryNode" does not support the "unsupported" operator.');
+
+        $node->evaluate([], []);
+    }
 }