diff --git a/wp-includes/IXR/class-IXR-server.php b/wp-includes/IXR/class-IXR-server.php
index 9702ba28b7..3112d23815 100644
--- a/wp-includes/IXR/class-IXR-server.php
+++ b/wp-includes/IXR/class-IXR-server.php
@@ -47,13 +47,7 @@ class IXR_Server
                 die('XML-RPC server accepts POST requests only.');
             }
 
-            global $HTTP_RAW_POST_DATA;
-            if (empty($HTTP_RAW_POST_DATA)) {
-                // workaround for a bug in PHP 5.2.2 - http://bugs.php.net/bug.php?id=41293
-                $data = file_get_contents('php://input');
-            } else {
-                $data =& $HTTP_RAW_POST_DATA;
-            }
+            $data = file_get_contents('php://input');
         }
         $this->message = new IXR_Message($data);
         if (!$this->message->parse()) {
diff --git a/wp-includes/rest-api/class-wp-rest-server.php b/wp-includes/rest-api/class-wp-rest-server.php
index 0ab94bbbde..a7c43b041f 100644
--- a/wp-includes/rest-api/class-wp-rest-server.php
+++ b/wp-includes/rest-api/class-wp-rest-server.php
@@ -1371,17 +1371,16 @@ class WP_REST_Server {
 	 * @return string Raw request data.
 	 */
 	public static function get_raw_data() {
+		// phpcs:disable PHPCompatibility.Variables.RemovedPredefinedGlobalVariables.http_raw_post_dataDeprecatedRemoved
 		global $HTTP_RAW_POST_DATA;
 
-		/*
-		 * A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
-		 * but we can do it ourself.
-		 */
+		// $HTTP_RAW_POST_DATA was deprecated in PHP 5.6 and removed in PHP 7.0.
 		if ( ! isset( $HTTP_RAW_POST_DATA ) ) {
 			$HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
 		}
 
 		return $HTTP_RAW_POST_DATA;
+		// phpcs:enable
 	}
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e8b649e760..4a21a973bc 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-47925';
+$wp_version = '5.5-alpha-47926';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/xmlrpc.php b/xmlrpc.php
index 00bd97e8df..341a6dc84d 100644
--- a/xmlrpc.php
+++ b/xmlrpc.php
@@ -15,8 +15,8 @@ define( 'XMLRPC_REQUEST', true );
 // Some browser-embedded clients send cookies. We don't want them.
 $_COOKIE = array();
 
-// A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
-// but we can do it ourself.
+// $HTTP_RAW_POST_DATA was deprecated in PHP 5.6 and removed in PHP 7.0.
+// phpcs:disable PHPCompatibility.Variables.RemovedPredefinedGlobalVariables.http_raw_post_dataDeprecatedRemoved
 if ( ! isset( $HTTP_RAW_POST_DATA ) ) {
 	$HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
 }
@@ -25,6 +25,7 @@ if ( ! isset( $HTTP_RAW_POST_DATA ) ) {
 if ( isset( $HTTP_RAW_POST_DATA ) ) {
 	$HTTP_RAW_POST_DATA = trim( $HTTP_RAW_POST_DATA );
 }
+// phpcs:enable
 
 /** Include the bootstrap for setting up WordPress environment */
 require_once __DIR__ . '/wp-load.php';