diff --git a/js/certify.js b/js/certify.js
index 7401a7cd8..fa608c429 100644
--- a/js/certify.js
+++ b/js/certify.js
@@ -128,11 +128,6 @@ function popup_center() {
 	let _width = 400;
 	let _height = 620;
 	var xPos = (document.body.offsetWidth/2) - (_width/2); // 가운데 정렬
-	xPos += window.screenLeft; // 듀얼 모니터일 때
-    if( navigator.userAgent.indexOf("Android") > - 1 || navigator.userAgent.indexOf("iPhone") > - 1 ) // 모바일일때
-    {
-        return window;
-    }else {    
+	xPos += window.screenLeft; // 듀얼 모니터일 때 
 	    return window.open("", "sa_popup", "width="+_width+", height="+_height+", left="+xPos+", menubar=yes, status=yes, titlebar=yes, resizable=yes");
-    }
 }
\ No newline at end of file
diff --git a/mobile/skin/member/basic/member_cert_refresh.skin.php b/mobile/skin/member/basic/member_cert_refresh.skin.php
index 8ff6aae92..6ca10c3c5 100644
--- a/mobile/skin/member/basic/member_cert_refresh.skin.php
+++ b/mobile/skin/member/basic/member_cert_refresh.skin.php
@@ -92,7 +92,6 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
                     params = "?directAgency=" + type + "&" + pageTypeParam;
                     request_url = url + params;
                     call_sa(request_url);
-                    break;
                 });
             <?php } ?>
 
diff --git a/plugin/inicert/ini_result.php b/plugin/inicert/ini_result.php
index 46850d055..902e7ac12 100644
--- a/plugin/inicert/ini_result.php
+++ b/plugin/inicert/ini_result.php
@@ -91,12 +91,6 @@ include_once(G5_PATH.'/head.sub.php');
 <script>
     jQuery(function($) {        
         var $opener = window.opener;
-        if (typeof g5_is_mobile != "undefined" && g5_is_mobile ) {
-            $opener = window.parent;
-            is_mobile = true;
-        } else {
-            $opener = window.opener;
-        }
 
         // 인증정보
         $opener.$("input[name=cert_type]").val("<?php echo $cert_type; ?>");