diff --git a/src/etc/inc/certs.inc b/src/etc/inc/certs.inc
index 869f341af..23f2889f3 100644
--- a/src/etc/inc/certs.inc
+++ b/src/etc/inc/certs.inc
@@ -195,25 +195,6 @@ function cert_get_subject($str_crt, $decode = true)
     return certs_build_name($components);
 }
 
-function cert_get_subject_array($crt)
-{
-    $str_crt = base64_decode($crt);
-    $inf_crt = openssl_x509_parse($str_crt);
-    $components = $inf_crt['subject'];
-
-    if (!is_array($components)) {
-        return;
-    }
-
-    $subject_array = array();
-
-    foreach ($components as $a => $v) {
-        $subject_array[] = array('a' => $a, 'v' => $v);
-    }
-
-    return $subject_array;
-}
-
 function cert_get_issuer($str_crt, $decode = true)
 {
     if ($decode) {