diff --git a/admin/common.php b/admin/common.php
index e62c62a..b88ed43 100644
--- a/admin/common.php
+++ b/admin/common.php
@@ -2,6 +2,12 @@
 if (!defined('IN_ADMIN')) {
     die();
 }
+$db_opts = [
+    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, /* throw a fatal exception on database errors */
+    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, /* Fetch rows as an associative array (hash table) by default */
+    PDO::ATTR_EMULATE_PREPARES => false
+];
+
 
 require_once('../includes/config.php');
 
diff --git a/admin/dashboard.php b/admin/dashboard.php
index 2f7fa07..c0960ac 100644
--- a/admin/dashboard.php
+++ b/admin/dashboard.php
@@ -292,15 +292,7 @@ for ($loop = 0; $loop <= 6; $loop++) {
                     <div class="panel-title">
                     </div>
                     <p style="height: auto;">
-                        <?php
-                        $latestversion = file_get_contents('https://raw.githubusercontent.com/jordansamuel/PASTE/releases/version');
-                        echo "Latest version: " . $latestversion . "&mdash; Installed version: " . $currentversion;
-                        if ($currentversion == $latestversion) {
-                            echo '<br />You have the latest version';
-                        } else {
-                            echo '<br />Your Paste installation is outdated. Get the latest version from <a href="https://sourceforge.net/projects/phpaste/files/latest/download">SourceForge</a>';
-                        }
-                        ?>
+<br />You have the latest version
 
                     </p>
                 </div>
diff --git a/admin/sitemap.php b/admin/sitemap.php
index b6c6cca..6879dc7 100644
--- a/admin/sitemap.php
+++ b/admin/sitemap.php
@@ -201,7 +201,7 @@ while ($row = mysqli_fetch_array($result)) {
                                 $site_data = file_get_contents("../sitemap.xml");
                                 $site_data = str_replace("</urlset>", "", $site_data);
 
-                                if ($mod_rewrite == "1") {
+                                if (PP_MOD_REWRITE) {
                                     $server_name = $protocol . $_SERVER['SERVER_NAME'] . $levelup . "/" . $paste_id;
                                 } else {
                                     $server_name = $protocol . $_SERVER['SERVER_NAME'] . $levelup . "/paste.php?id=" . $paste_id;
diff --git a/includes/common.php b/includes/common.php
index a1b649b..ebb8bfb 100644
--- a/includes/common.php
+++ b/includes/common.php
@@ -10,9 +10,7 @@ require_once(__DIR__ . '/User.class.php');
 
 /* View functions */
 function urlForPaste($paste_id) : string {
-    global $mod_rewrite;
-
-    if ($mod_rewrite === '1') {
+    if (PP_MOD_REWRITE) {
         return "/${paste_id}";
     }
 
@@ -20,9 +18,7 @@ function urlForPaste($paste_id) : string {
 }
 
 function urlForMember(string $member_name) : string {
-    global $mod_rewrite;
-
-    if ($mod_rewrite === '1') {
+    if (PP_MOD_REWRITE) {
         return '/user/' . urlencode($member_name);
     }
 
diff --git a/includes/config.php b/includes/config.php
index 368d6bb..731a623 100644
--- a/includes/config.php
+++ b/includes/config.php
@@ -17,17 +17,15 @@ if (gethostname() === 'thunderlane') {
     ini_set('display_errors', 1);
 }
 
-$currentversion = 2.2;
-
-// Max paste size in MB. This value should always be below the value of
-// post_max_size in your PHP configuration settings (php.ini) or empty errors will occur.
-// The value we got on installation of Paste was: post_max_size = 128M
-// Otherwise, the maximum value that can be set is 4000 (4GB)
-$pastelimit = "1"; // 0.5 = 512 kilobytes, 1 = 1MB
+/* Maximum paste size in bytes */
+const PP_PASTE_LIMIT_BYTES = 1048576;
 
 /* A long and random string used for additionally salting passwords. */
 const PP_PASSWORD_PEPPER = 'd791b6c6-91f2-4e8f-ba80-74ea968e4931';
 
+/* Whether to use friendly URLs that require mod_rewrite */
+const PP_MOD_REWRITE = true;
+
 $db_host = 'localhost';
 $db_schema = 'p0nepast3s';
 $db_user = 'P0nedbAcc0unt';
@@ -41,19 +39,12 @@ if (gethostname() === 'thunderlane') {
     $db_pass = 'ponepaste';
 }
 
-$db_opts = [
-    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, /* throw a fatal exception on database errors */
-    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, /* Fetch rows as an associative array (hash table) by default */
-    PDO::ATTR_EMULATE_PREPARES => false
-];
+
 
 // Secret key for paste encryption
 //$sec_key = "8ac67343e7980b16b31e8311d4377bbb";
 $sec_key = '';
-define('SECRET', md5($sec_key));
 
-// Set to 1 to enable Apache's mod_rewrite
-$mod_rewrite = "1";
 
 // Available GeSHi formats
 $geshiformats = [
diff --git a/includes/functions.php b/includes/functions.php
index ae701bc..ccb44b1 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -437,7 +437,7 @@ function addToSitemap($paste_id, $priority, $changefreq, $mod_rewrite) {
     // which protocol are we on
     $protocol = paste_protocol();
 
-    if ($mod_rewrite == "1") {
+    if (PP_MOD_REWRITE) {
         $server_name = $protocol . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . "/" . $paste_id;
     } else {
         $server_name = $protocol . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . "/paste.php?id=" . $paste_id;
diff --git a/index.php b/index.php
index d8d23ad..7e6c637 100644
--- a/index.php
+++ b/index.php
@@ -91,7 +91,7 @@ function validatePasteFields() : string|null {
         return $lang['notags'];
     } elseif (strlen($_POST["title"]) > 70) { /* Paste title too long */
         return $lang['titlelen'];
-    } elseif (mb_strlen($_POST["paste_data"], '8bit') > 1024 * 1024 * $pastelimit) { /* Paste size too big */
+    } elseif (mb_strlen($_POST["paste_data"], '8bit') > PP_PASTE_LIMIT_BYTES) { /* Paste size too big */
         return $lang['large_paste'];
     }
 
diff --git a/langs/en.php b/langs/en.php
index 53dae62..d717e01 100644
--- a/langs/en.php
+++ b/langs/en.php
@@ -31,7 +31,7 @@ $lang['missing-input-secret'] = "The reCAPTCHA secret parameter is missing. Plea
 $lang['missing-input-response'] = "The reCAPTCHA response parameter is invalid. Please try to complete the reCAPTCHA again.";
 $lang['invalid-input-secret'] = "The reCAPTCHA secret parameter is invalid or malformed. Please double check your PASTE settings.";
 $lang['empty_paste'] = "You cannot post an empty paste.";
-$lang['large_paste'] = "Your paste is too large. Max size is " . $pastelimit . "MB";
+$lang['large_paste'] = "Your paste is too large. Max size is " . PP_PASTE_LIMIT_BYTES . " bytes";
 $lang['paste_db_error'] = "Unable to post to database.";
 $lang['error'] = "Something went wrong.";
 $lang['archive'] = "Pastes Archive";
diff --git a/paste.php b/paste.php
index 1294dc8..66d189d 100644
--- a/paste.php
+++ b/paste.php
@@ -199,26 +199,17 @@ if ($p_password == "NONE") {
     // No password & diplay the paste
 
     // Set download URL
-    if ($mod_rewrite == '1') {
+    if (PP_MOD_REWRITE) {
         $p_download = "download/$paste_id";
-    } else {
-        $p_download = "paste.php?download&id=$paste_id";
-    }
-
-    // Set raw URL
-    if ($mod_rewrite == '1') {
         $p_raw = "raw/$paste_id";
-    } else {
-        $p_raw = "paste.php?raw&id=$paste_id";
-    }
-
-    // Set embed URL
-    if ($mod_rewrite == '1') {
         $p_embed = "embed/$paste_id";
     } else {
+        $p_download = "paste.php?download&id=$paste_id";
+        $p_raw = "paste.php?raw&id=$paste_id";
         $p_embed = "paste.php?embed&id=$paste_id";
     }
 
+
     // View counter
     if ($_SESSION['not_unique'] !== $paste_id) {
         $_SESSION['not_unique'] = $paste_id;
diff --git a/theme/bulma/header.php b/theme/bulma/header.php
index 590e4c9..5b3d2e9 100644
--- a/theme/bulma/header.php
+++ b/theme/bulma/header.php
@@ -78,7 +78,7 @@ $start = $time;
                 <div class="navbar-item">
                     <?php if ($current_user !== null) {
                         if (!isset($privatesite) || $privatesite !== "on") {
-                            if ($mod_rewrite == '1') {
+                            if (PP_MOD_REWRITE) {
                                 echo '  <a class="button navbar-item mx-2" href="' . '//' . $_SERVER['HTTP_HOST'] . rtrim(dirname($_SERVER['PHP_SELF']), '/\\') . '/">
 											<span class="icon has-text-info">
 												<i class="fa fa-clipboard" aria-hidden="true"></i>
@@ -125,7 +125,7 @@ $start = $time;
                         echo '<div class="navbar-item has-dropdown is-hoverable">
 										<a class="navbar-link" role="presentation">' . pp_html_escape($current_user->username)  . '</a>
 											<div class="navbar-dropdown">';
-                        if ($mod_rewrite == '1') {
+                        if (PP_MOD_REWRITE) {
                             echo '<a class="navbar-item" href="' . '//' . $_SERVER['HTTP_HOST'] . rtrim(dirname($_SERVER['PHP_SELF']), '/\\') . '/user/' . urlencode($current_user->username) . '">Pastes</a>';
                             echo '<a class="navbar-item" href="' . '//' . $_SERVER['HTTP_HOST'] . rtrim(dirname($_SERVER['PHP_SELF']), '/\\') . '/profile">Settings</a>';
                         } else {
@@ -141,7 +141,7 @@ $start = $time;
                         <div class="buttons">
                             <?php
                             if (!isset($privatesite) || $privatesite != "on") {
-                                if ($mod_rewrite == '1') {
+                                if (PP_MOD_REWRITE) {
                                     echo '<a class="button navbar-item mx-2" href="' . '//' . $_SERVER['HTTP_HOST'] . rtrim(dirname($_SERVER['PHP_SELF']), '/\\') . '/archive">
 											<span class="icon has-text-info">
 												<i class="fa fa-book" aria-hidden="true"></i>
diff --git a/theme/bulma/main.php b/theme/bulma/main.php
index 9351f86..8f1faa6 100644
--- a/theme/bulma/main.php
+++ b/theme/bulma/main.php
@@ -95,7 +95,7 @@
 
                                                 <p class="no-margin">
                                                     <?php
-                                                    if ($mod_rewrite == '1') {
+                                                    if (PP_MOD_REWRITE) {
                                                         echo '<header class="bd-category-header my-1">
 									<a data-tooltip="' . $titlehov . '" href="' . $p_id . '" title="' . $title . '">' . $title . ' </a>
 									<a class="icon is-pulled-right has-tooltip-arrow has-tooltip-left-mobile has-tooltip-bottom-desktop has-tooltip-left-until-widescreen" data-tooltip="' . $p_time . '">
@@ -137,7 +137,7 @@
 
                                                 <p class="no-margin">
                                                     <?php
-                                                    if ($mod_rewrite == '1') {
+                                                    if (PP_MOD_REWRITE) {
                                                         echo '<header class="bd-category-header my-1">
 									<a data-tooltip="' . $titlehov . '" href="' . $p_id . '" title="' . $title . '">' . $title . ' </a>
 									<a class="icon is-pulled-right has-tooltip-arrow has-tooltip-left-mobile has-tooltip-bottom-desktop has-tooltip-left-until-widescreen" data-tooltip="' . $p_time . '">
diff --git a/theme/bulma/user_profile.php b/theme/bulma/user_profile.php
index 623efa7..470bfc8 100644
--- a/theme/bulma/user_profile.php
+++ b/theme/bulma/user_profile.php
@@ -189,9 +189,9 @@ $protocol = paste_protocol();
                                 1 => $lang['unlisted'],
                                 2 => $lang['private']
                             };
-                            $p_link = ($mod_rewrite == '1') ? "$p_id" : "paste.php?id=$p_id";
-                            $p_delete_link = ($mod_rewrite == '1') ? "user.php?del&user=$profile_username&id=$p_id" : "user.php?del&user=$profile_username&id=$p_id";
-                            $p_tag_link = ($mod_rewrite == '1') ? "user.php?user=$profile_username&q=$p_tags" : "user.php?user=$profile_username&q=$tags";
+                            $p_link = urlForPaste($p_id);
+                            $p_delete_link = (PP_MOD_REWRITE) ? "user.php?del&user=$profile_username&id=$p_id" : "user.php?del&user=$profile_username&id=$p_id";
+                            $p_tag_link = (PP_MOD_REWRITE) ? "user.php?user=$profile_username&q=$p_tags" : "user.php?user=$profile_username&q=$tags";
                             $title = truncate($title, 20, 50);
 
                             // Guests only see public pastes
diff --git a/theme/bulma/view.php b/theme/bulma/view.php
index 0415aee..7a2f669 100644
--- a/theme/bulma/view.php
+++ b/theme/bulma/view.php
@@ -206,7 +206,7 @@ $selectedloader = "$bg[$i]"; // set variable equal to which random filename was
                                     <div class="panel-embed my-5" style="display:none;">
                                         <input type="text" class="input has-background-white-ter has-text-grey"
                                                value='<?php echo '<script src="' . $protocol . $baseurl . '/';
-                                               if ($mod_rewrite == '1') {
+                                               if (PP_MOD_REWRITE) {
                                                    echo 'embed/';
                                                } else {
                                                    echo 'paste.php?embed&id=';
@@ -263,7 +263,7 @@ $selectedloader = "$bg[$i]"; // set variable equal to which random filename was
 
                         <p class="no-margin">
                         <?php
-                        if ($mod_rewrite == '1') {
+                        if (PP_MOD_REWRITE) {
                             echo '<header class="bd-category-header my-1">
 									<a href="' . $p_id . '" title="' . $long_title . '">' . $title . ' </a>
 									<p class="subtitle is-7">' . 'by ' . '