diff --git a/src/wp-includes/pluggable.php b/src/wp-includes/pluggable.php
index 0de6b0cc78..61b809c542 100644
--- a/src/wp-includes/pluggable.php
+++ b/src/wp-includes/pluggable.php
@@ -900,6 +900,17 @@ function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token =
 	 */
 	do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in' );
 
+	/**
+	 * Allows preventing auth cookies from actually being sent to the client.
+	 *
+	 * @since 4.7.4
+	 *
+	 * @param bool $send Whether to send auth cookies to the client.
+	 */
+	if ( ! apply_filters( 'send_auth_cookies', true ) ) {
+		return;
+	}
+
 	setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
 	setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
 	setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
@@ -922,6 +933,17 @@ function wp_clear_auth_cookie() {
 	 */
 	do_action( 'clear_auth_cookie' );
 
+	/**
+	 * Allows preventing auth cookies from actually being sent to the client.
+	 *
+	 * @since 4.7.4
+	 *
+	 * @param bool $send Whether to send auth cookies to the client.
+	 */
+	if ( ! apply_filters( 'send_auth_cookies', true ) ) {
+		return;
+	}
+
 	setcookie( AUTH_COOKIE,        ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH,   COOKIE_DOMAIN );
 	setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH,   COOKIE_DOMAIN );
 	setcookie( AUTH_COOKIE,        ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
diff --git a/tests/phpunit/includes/functions.php b/tests/phpunit/includes/functions.php
index 3a7c9bd98e..d9872fb541 100644
--- a/tests/phpunit/includes/functions.php
+++ b/tests/phpunit/includes/functions.php
@@ -164,21 +164,4 @@ function _upload_dir_https( $uploads ) {
 
 // Skip `setcookie` calls in auth_cookie functions due to warning:
 // Cannot modify header information - headers already sent by ...
-
-function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) {
-	$auth_cookie = null;
-	$expire = null;
-	$expiration = null;
-	$user_id = null;
-	$scheme = null;
-	/** This action is documented in wp-inclues/pluggable.php */
-	do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme );
-	$logged_in_cookie = null;
-	/** This action is documented in wp-inclues/pluggable.php */
-	do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in' );
-}
-
-function wp_clear_auth_cookie() {
-	/** This action is documented in wp-inclues/pluggable.php */
-	do_action( 'clear_auth_cookie' );
-}
+tests_add_filter( 'send_auth_cookies', '__return_false' );