diff --git a/CRM/Core/BAO/EntityTag.php b/CRM/Core/BAO/EntityTag.php
index 580729a87c6f..3b23f84c0310 100644
--- a/CRM/Core/BAO/EntityTag.php
+++ b/CRM/Core/BAO/EntityTag.php
@@ -96,7 +96,7 @@ public static function dataExists($params) {
    * Delete the tag for a contact.
    *
    * @param array $params
-   *
+   * @deprecated
    * WARNING: Nonstandard params searches by tag_id rather than id!
    */
   public static function del(&$params) {
diff --git a/Civi/Api4/Generic/DAODeleteAction.php b/Civi/Api4/Generic/DAODeleteAction.php
index b2b9584e921d..84d818de9b1c 100644
--- a/Civi/Api4/Generic/DAODeleteAction.php
+++ b/Civi/Api4/Generic/DAODeleteAction.php
@@ -14,6 +14,7 @@
 
 use Civi\API\Exception\UnauthorizedException;
 use Civi\Api4\Utils\CoreUtil;
+use Civi\Api4\Utils\ReflectionUtils;
 
 /**
  * Delete one or more $ENTITIES.
@@ -56,7 +57,8 @@ protected function deleteObjects($items) {
     $ids = [];
     $baoName = $this->getBaoName();
 
-    if ($this->getEntityName() !== 'EntityTag' && method_exists($baoName, 'del')) {
+    // Use BAO::del() method if it is not deprecated
+    if (method_exists($baoName, 'del') && !ReflectionUtils::isMethodDeprecated($baoName, 'del')) {
       foreach ($items as $item) {
         $args = [$item['id']];
         $bao = call_user_func_array([$baoName, 'del'], $args);
diff --git a/Civi/Api4/Utils/ReflectionUtils.php b/Civi/Api4/Utils/ReflectionUtils.php
index a5d59803f13a..0263718e3aa4 100644
--- a/Civi/Api4/Utils/ReflectionUtils.php
+++ b/Civi/Api4/Utils/ReflectionUtils.php
@@ -179,6 +179,20 @@ public static function findStandardProperties($class): iterable {
     }
   }
 
+  /**
+   * Check if a class method is deprecated
+   *
+   * @param string $className
+   * @param string $methodName
+   * @return bool
+   * @throws \ReflectionException
+   */
+  public static function isMethodDeprecated(string $className, string $methodName): bool {
+    $reflection = new \ReflectionClass($className);
+    $docBlock = $reflection->getMethod($methodName)->getDocComment();
+    return strpos($docBlock, "@deprecated") !== FALSE;
+  }
+
   /**
    * Find any methods in this class which match the given prefix.
    *
diff --git a/tests/phpunit/api/v4/Mock/MockV4ReflectionGrandchild.php b/tests/phpunit/api/v4/Mock/MockV4ReflectionGrandchild.php
index 6c0700f29531..5b2ebeeba6b6 100644
--- a/tests/phpunit/api/v4/Mock/MockV4ReflectionGrandchild.php
+++ b/tests/phpunit/api/v4/Mock/MockV4ReflectionGrandchild.php
@@ -31,4 +31,21 @@
  */
 class MockV4ReflectionGrandchild extends MockV4ReflectionChild {
 
+  /**
+   * Function marked deprecated
+   * @see \api\v4\Utils\ReflectionUtilsTest::testIsMethodDeprecated
+   * @deprecated
+   */
+  public static function deprecatedFn() {
+
+  }
+
+  /**
+   * Function not marked deprecated
+   * @see \api\v4\Utils\ReflectionUtilsTest::testIsMethodDeprecated
+   */
+  public static function nonDeprecatedFn() {
+
+  }
+
 }
diff --git a/tests/phpunit/api/v4/Utils/ReflectionUtilsTest.php b/tests/phpunit/api/v4/Utils/ReflectionUtilsTest.php
index 868ae79d640c..bd6d218a6d78 100644
--- a/tests/phpunit/api/v4/Utils/ReflectionUtilsTest.php
+++ b/tests/phpunit/api/v4/Utils/ReflectionUtilsTest.php
@@ -109,4 +109,10 @@ public function testParseDocBlock($input, $expected) {
     $this->assertEquals($expected, ReflectionUtils::parseDocBlock($input));
   }
 
+  public function testIsMethodDeprecated() {
+    $mockClass = 'api\v4\Mock\MockV4ReflectionGrandchild';
+    $this->assertTrue(ReflectionUtils::isMethodDeprecated($mockClass, 'deprecatedFn'));
+    $this->assertFalse(ReflectionUtils::isMethodDeprecated($mockClass, 'nonDeprecatedFn'));
+  }
+
 }