diff --git a/src/wp-includes/class-wp-http-curl.php b/src/wp-includes/class-wp-http-curl.php
index c331f05d88..a49db80fbb 100644
--- a/src/wp-includes/class-wp-http-curl.php
+++ b/src/wp-includes/class-wp-http-curl.php
@@ -143,9 +143,7 @@ class WP_Http_Curl {
 		 * a bug #17490 with redirected POST requests, so handle redirections outside Curl.
 		 */
 		curl_setopt( $handle, CURLOPT_FOLLOWLOCATION, false );
-		if ( defined( 'CURLOPT_PROTOCOLS' ) ) { // PHP 5.2.10 / cURL 7.19.4
-			curl_setopt( $handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
-		}
+		curl_setopt( $handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
 
 		switch ( $parsed_args['method'] ) {
 			case 'HEAD':