diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/left_instanceof_right_is_object.php.inc b/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/left_instanceof_right_is_object.php.inc
deleted file mode 100644
index f9c4fd4d369..00000000000
--- a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/left_instanceof_right_is_object.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\Fixture;
-
-final class LeftInstanceofRightIsObject
-{
-    public function run($obj)
-    {
-        return $obj instanceof \DateTime && is_object($obj);
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\Fixture;
-
-final class LeftInstanceofRightIsObject
-{
-    public function run($obj)
-    {
-        return $obj instanceof \DateTime;
-    }
-}
-
-?>
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/left_is_object_right_instanceof.php.inc b/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/left_is_object_right_instanceof.php.inc
deleted file mode 100644
index 022be644152..00000000000
--- a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/left_is_object_right_instanceof.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\Fixture;
-
-final class LeftIsObjectRightInstanceof
-{
-    public function run($obj)
-    {
-        return is_object($obj) && $obj instanceof \DateTime;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\Fixture;
-
-final class LeftIsObjectRightInstanceof
-{
-    public function run($obj)
-    {
-        return $obj instanceof \DateTime;
-    }
-}
-
-?>
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr.php.inc b/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr.php.inc
deleted file mode 100644
index 9b7a9eb0f74..00000000000
--- a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr.php.inc
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\Fixture;
-
-final class SkipDifferentExpr
-{
-    public function run($obj, $other)
-    {
-        return is_object($obj) && $other instanceof \DateTime;
-    }
-}
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr2.php.inc b/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr2.php.inc
deleted file mode 100644
index f66769acedf..00000000000
--- a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr2.php.inc
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\Fixture;
-
-final class SkipDifferentExpr2
-{
-    public function run($obj, $other)
-    {
-        return $other instanceof \DateTime && is_object($obj);
-    }
-}
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr3.php.inc b/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr3.php.inc
deleted file mode 100644
index bd01bd6472d..00000000000
--- a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/Fixture/skip_different_expr3.php.inc
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\Fixture;
-
-final class SkipDifferentExpr3
-{
-    public function run($obj)
-    {
-        return is_object($obj) && count($obj->data) === 1;
-    }
-}
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/RemoveUselessIsObjectCheckRectorTest.php b/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/RemoveUselessIsObjectCheckRectorTest.php
deleted file mode 100644
index fc932e2b8cb..00000000000
--- a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/RemoveUselessIsObjectCheckRectorTest.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector;
-
-use Iterator;
-use PHPUnit\Framework\Attributes\DataProvider;
-use Rector\Testing\PHPUnit\AbstractRectorTestCase;
-
-final class RemoveUselessIsObjectCheckRectorTest extends AbstractRectorTestCase
-{
-    #[DataProvider('provideData')]
-    public function test(string $filePath): void
-    {
-        $this->doTestFile($filePath);
-    }
-
-    public static function provideData(): Iterator
-    {
-        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
-    }
-
-    public function provideConfigFilePath(): string
-    {
-        return __DIR__ . '/config/configured_rule.php';
-    }
-}
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/config/configured_rule.php b/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/config/configured_rule.php
deleted file mode 100644
index c4735385d7b..00000000000
--- a/rules-tests/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector/config/configured_rule.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use Rector\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector;
-use Rector\Config\RectorConfig;
-
-return RectorConfig::configure()
-    ->withRules([RemoveUselessIsObjectCheckRector::class]);
diff --git a/rules/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector.php b/rules/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector.php
index 84672198d91..f1484b843e0 100644
--- a/rules/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector.php
+++ b/rules/CodeQuality/Rector/BooleanAnd/RemoveUselessIsObjectCheckRector.php
@@ -6,16 +6,16 @@
 
 use PhpParser\Node;
 use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
-use PhpParser\Node\Expr\FuncCall;
-use PhpParser\Node\Expr\Instanceof_;
+use Rector\Configuration\Deprecation\Contract\DeprecatedInterface;
+use Rector\Exception\ShouldNotHappenException;
 use Rector\Rector\AbstractRector;
 use Rector\RuleDoc\CodeSample\CodeSample;
 use Rector\RuleDoc\RuleDefinition;
 
 /**
- * @see \Rector\Tests\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector\RemoveUselessIsObjectCheckRectorTest
+ * @deprecated This rule is deprecated, as it handles a niche is_object() with instanceof case that is not part of the PHP upgrade path.
  */
-final class RemoveUselessIsObjectCheckRector extends AbstractRector
+final class RemoveUselessIsObjectCheckRector extends AbstractRector implements DeprecatedInterface
 {
     public function getRuleDefinition(): RuleDefinition
     {
@@ -38,42 +38,9 @@ public function getNodeTypes(): array
      */
     public function refactor(Node $node): ?Node
     {
-        if ($node->left instanceof FuncCall
-            && $this->isName($node->left, 'is_object')
-            && $node->right instanceof Instanceof_) {
-            return $this->processRemoveUselessIsObject($node->left, $node->right);
-        }
-
-        if (! $node->left instanceof Instanceof_) {
-            return null;
-        }
-
-        if (! $node->right instanceof FuncCall) {
-            return null;
-        }
-
-        if (! $this->isName($node->right, 'is_object')) {
-            return null;
-        }
-
-        return $this->processRemoveUselessIsObject($node->right, $node->left);
-    }
-
-    private function processRemoveUselessIsObject(FuncCall $funcCall, Instanceof_ $instanceof): ?Instanceof_
-    {
-        if ($funcCall->isFirstClassCallable()) {
-            return null;
-        }
-
-        $args = $funcCall->getArgs();
-        if (! isset($args[0])) {
-            return null;
-        }
-
-        if (! $this->nodeComparator->areNodesEqual($args[0]->value, $instanceof->expr)) {
-            return null;
-        }
-
-        return $instanceof;
+        throw new ShouldNotHappenException(sprintf(
+            '"%s" rule is deprecated, as it handles a niche is_object() with instanceof case that is not part of the PHP upgrade path',
+            self::class
+        ));
     }
 }
diff --git a/src/Config/Level/CodeQualityLevel.php b/src/Config/Level/CodeQualityLevel.php
index 17026f84675..acde2b5b739 100644
--- a/src/Config/Level/CodeQualityLevel.php
+++ b/src/Config/Level/CodeQualityLevel.php
@@ -7,7 +7,6 @@
 use Rector\CodeQuality\Rector\Assign\CombinedAssignRector;
 use Rector\CodeQuality\Rector\AssignOp\NewArrayItemConcatAssignToAssignRector;
 use Rector\CodeQuality\Rector\Attribute\SortAttributeNamedArgsRector;
-use Rector\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector;
 use Rector\CodeQuality\Rector\BooleanAnd\RepeatedAndNotEqualToNotInArrayRector;
 use Rector\CodeQuality\Rector\BooleanAnd\SimplifyEmptyArrayCheckRector;
 use Rector\CodeQuality\Rector\BooleanNot\NegatedAndsToPositiveOrsRector;
@@ -175,7 +174,6 @@ final class CodeQualityLevel
         CleanupUnneededNullsafeOperatorRector::class,
         LocallyCalledStaticMethodToNonStaticRector::class,
         NumberCompareToMaxFuncCallRector::class,
-        RemoveUselessIsObjectCheckRector::class,
         ConvertStaticToSelfRector::class,
         SortCallLikeNamedArgsRector::class,
         SortAttributeNamedArgsRector::class,