diff --git a/scripts/pi-hole/js/list.js b/scripts/pi-hole/js/list.js
index 3feb24fc..a5bcafd9 100644
--- a/scripts/pi-hole/js/list.js
+++ b/scripts/pi-hole/js/list.js
@@ -47,10 +47,7 @@ function refresh(fade) {
     var listw = $("#list-regex");
     if(fade) {
         list.fadeOut(100);
-        if(listw)
-        {
-            listw.fadeOut(100);
-        }
+        listw.fadeOut(100);
     }
     $.ajax({
         url: "scripts/pi-hole/php/get.php",
@@ -58,10 +55,7 @@ function refresh(fade) {
         data: {"list":listType},
         success: function(response) {
             list.html("");
-            if(listw)
-            {
-                listw.html("");
-            }
+            listw.html("");
 
             if((listType === "black" &&
                response.blacklist.length === 0 &&
@@ -105,10 +99,7 @@ function refresh(fade) {
                 });
             }
             list.fadeIn(100);
-            if(listw)
-            {
-                listw.fadeIn(100);
-            }
+            listw.fadeIn(100);
         },
         error: function(jqXHR, exception) {
             $("#alFailure").show();
diff --git a/scripts/pi-hole/php/func.php b/scripts/pi-hole/php/func.php
index 7c1d3d65..bc353218 100644
--- a/scripts/pi-hole/php/func.php
+++ b/scripts/pi-hole/php/func.php
@@ -45,21 +45,4 @@ if(!function_exists('hash_equals')) {
    }
 }
 
-function add_regex($regex, $mode=FILE_APPEND, $append="\n")
-{
-    global $regexfile;
-    if(file_put_contents($regexfile, $regex.$append, $mode) === FALSE)
-    {
-        $err = error_get_last()["message"];
-        echo "Unable to add regex \"".htmlspecialchars($regex)."\" to ${regexfile}<br>Error message: $err";
-    }
-    else
-    {
-        // Send SIGHUP to pihole-FTL using a frontend command
-        // to force reloading of the regex domains
-        // This will also wipe the resolver's cache
-        echo exec("sudo pihole restartdns reload");
-    }
-}
-
 ?>