diff --git a/config/set/instanceof.php b/config/set/instanceof.php
index 6a3888cc5c8..67a22c50530 100644
--- a/config/set/instanceof.php
+++ b/config/set/instanceof.php
@@ -7,9 +7,9 @@
 use Rector\CodeQuality\Rector\Identical\GetClassToInstanceOfRector;
 use Rector\Config\RectorConfig;
 use Rector\DeadCode\Rector\If_\RemoveDeadInstanceOfRector;
+use Rector\Instanceof_\Rector\Ternary\FlipNegatedTernaryInstanceofRector;
 use Rector\TypeDeclaration\Rector\BooleanAnd\BinaryOpNullableToInstanceofRector;
 use Rector\TypeDeclaration\Rector\Empty_\EmptyOnNullableObjectToInstanceOfRector;
-use Rector\TypeDeclaration\Rector\Ternary\FlipNegatedTernaryInstanceofRector;
 use Rector\TypeDeclaration\Rector\While_\WhileNullableToInstanceofRector;
 
 return static function (RectorConfig $rectorConfig): void {
diff --git a/rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/skip_no_cond.php.inc b/rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/skip_no_cond.php.inc
similarity index 100%
rename from rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/skip_no_cond.php.inc
rename to rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/skip_no_cond.php.inc
diff --git a/rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/some_class.php.inc b/rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/some_class.php.inc
similarity index 100%
rename from rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/some_class.php.inc
rename to rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/Fixture/some_class.php.inc
diff --git a/rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/FlipNegatedTernaryInstanceofRectorTest.php b/rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/FlipNegatedTernaryInstanceofRectorTest.php
similarity index 87%
rename from rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/FlipNegatedTernaryInstanceofRectorTest.php
rename to rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/FlipNegatedTernaryInstanceofRectorTest.php
index 3448b830821..45e9f9d760b 100644
--- a/rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/FlipNegatedTernaryInstanceofRectorTest.php
+++ b/rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/FlipNegatedTernaryInstanceofRectorTest.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Rector\Tests\TypeDeclaration\Rector\Ternary\FlipNegatedTernaryInstanceofRector;
+namespace Rector\Tests\Instanceof_\Rector\Ternary\FlipNegatedTernaryInstanceofRector;
 
 use Iterator;
 use PHPUnit\Framework\Attributes\DataProvider;
diff --git a/rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/config/configured_rule.php b/rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/config/configured_rule.php
similarity index 71%
rename from rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/config/configured_rule.php
rename to rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/config/configured_rule.php
index 60d4baf60ae..a88cbf75b17 100644
--- a/rules-tests/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector/config/configured_rule.php
+++ b/rules-tests/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector/config/configured_rule.php
@@ -4,7 +4,7 @@
 
 use Rector\Config\RectorConfig;
 
-use Rector\TypeDeclaration\Rector\Ternary\FlipNegatedTernaryInstanceofRector;
+use Rector\Instanceof_\Rector\Ternary\FlipNegatedTernaryInstanceofRector;
 
 return static function (RectorConfig $rectorConfig): void {
     $rectorConfig->rule(FlipNegatedTernaryInstanceofRector::class);
diff --git a/rules/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector.php b/rules/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector.php
similarity index 89%
rename from rules/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector.php
rename to rules/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector.php
index 1e6da1b9727..bff6dff701c 100644
--- a/rules/TypeDeclaration/Rector/Ternary/FlipNegatedTernaryInstanceofRector.php
+++ b/rules/Instanceof_/Rector/Ternary/FlipNegatedTernaryInstanceofRector.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Rector\TypeDeclaration\Rector\Ternary;
+namespace Rector\Instanceof_\Rector\Ternary;
 
 use PhpParser\Node;
 use PhpParser\Node\Expr;
@@ -14,7 +14,7 @@
 use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
 
 /**
- * @see \Rector\Tests\TypeDeclaration\Rector\Ternary\FlipNegatedTernaryInstanceofRector\FlipNegatedTernaryInstanceofRectorTest
+ * @see \Rector\Tests\Instanceof_\Rector\Ternary\FlipNegatedTernaryInstanceofRector\FlipNegatedTernaryInstanceofRectorTest
  */
 final class FlipNegatedTernaryInstanceofRector extends AbstractRector
 {
diff --git a/utils/Command/MissingInSetCommand.php b/utils/Command/MissingInSetCommand.php
index d1d2012546f..b4d9ef34cbd 100644
--- a/utils/Command/MissingInSetCommand.php
+++ b/utils/Command/MissingInSetCommand.php
@@ -9,7 +9,6 @@
 use Rector\Core\Contract\Rector\ConfigurableRectorInterface;
 use Rector\TypeDeclaration\Rector\BooleanAnd\BinaryOpNullableToInstanceofRector;
 use Rector\TypeDeclaration\Rector\StmtsAwareInterface\DeclareStrictTypesRector;
-use Rector\TypeDeclaration\Rector\Ternary\FlipNegatedTernaryInstanceofRector;
 use Rector\TypeDeclaration\Rector\While_\WhileNullableToInstanceofRector;
 use Rector\Utils\Finder\RectorClassFinder;
 use Rector\Utils\Finder\SetRectorClassesResolver;
@@ -45,6 +44,7 @@ final class MissingInSetCommand extends Command
         __DIR__ . '/../../rules/Php81/Rector' => __DIR__ . '/../../config/set/php81.php',
         __DIR__ . '/../../rules/Php82/Rector' => __DIR__ . '/../../config/set/php82.php',
         __DIR__ . '/../../rules/Strict/Rector' => __DIR__ . '/../../config/set/strict-booleans.php',
+        __DIR__ . '/../../rules/Instanceof_/Rector' => __DIR__ . '/../../config/set/instanceof.php',
 
         // doctrine
         __DIR__ . '/../../vendor/rector/rector-doctrine/rules/CodeQuality' => __DIR__ . '/../../vendor/rector/rector-doctrine/config/sets/doctrine-code-quality.php',
@@ -94,7 +94,6 @@ final class MissingInSetCommand extends Command
         DeclareStrictTypesRector::class,
         // optional
         DataProviderArrayItemsNewlinedRector::class,
-        FlipNegatedTernaryInstanceofRector::class,
         BinaryOpNullableToInstanceofRector::class,
         WhileNullableToInstanceofRector::class,
     ];