diff --git a/src/Application.php b/src/Application.php
index 2dd6b7a..bfa7213 100644
--- a/src/Application.php
+++ b/src/Application.php
@@ -4,7 +4,6 @@ namespace EEPROM;
 use RuntimeException;
 use JsonSerializable;
 use Index\Data\IDbConnection;
-use Index\Data\DbType;
 
 final class Application implements JsonSerializable {
     public function __construct(
@@ -56,7 +55,7 @@ final class Application implements JsonSerializable {
             'SELECT `app_id`, `app_name`, `app_size_limit`, `app_expiry`, `app_allow_size_multiplier`,'
             . ' UNIX_TIMESTAMP(`app_created`) AS `app_created` FROM `prm_applications` WHERE `app_id` = ?'
         );
-        $get->addParameter(1, $appId, DbType::INTEGER);
+        $get->addParameter(1, $appId);
         $get->execute();
         $result = $get->getResult();
 
diff --git a/src/Upload.php b/src/Upload.php
index 341233d..3050ff5 100644
--- a/src/Upload.php
+++ b/src/Upload.php
@@ -9,7 +9,6 @@ use JsonSerializable;
 use Index\XString;
 use Index\Data\IDbConnection;
 use Index\Data\IDbResult;
-use Index\Data\DbType;
 
 final class Upload implements JsonSerializable {
     public function __construct(
@@ -100,7 +99,7 @@ final class Upload implements JsonSerializable {
         $this->accessed = time();
 
         $bump = $conn->prepare('UPDATE `prm_uploads` SET `upload_accessed` = NOW() WHERE `upload_id` = ?');
-        $bump->addParameter(1, $this->id, DbType::STRING);
+        $bump->addParameter(1, $this->id);
         $bump->execute();
     }
 
@@ -142,8 +141,8 @@ final class Upload implements JsonSerializable {
         $this->expires = time() + $this->bump;
 
         $bump = $conn->prepare('UPDATE `prm_uploads` SET `upload_expires` = NOW() + INTERVAL ? SECOND WHERE `upload_id` = ?');
-        $bump->addParameter(1, $this->bump, DbType::INTEGER);
-        $bump->addParameter(2, $this->id, DbType::STRING);
+        $bump->addParameter(1, $this->bump);
+        $bump->addParameter(2, $this->id);
         $bump->execute();
     }
 
@@ -151,7 +150,7 @@ final class Upload implements JsonSerializable {
         $this->deleted = 0;
 
         $restore = $conn->prepare('UPDATE `prm_uploads` SET `upload_deleted` = NULL WHERE `upload_id` = ?');
-        $restore->addParameter(1, $this->id, DbType::STRING);
+        $restore->addParameter(1, $this->id);
         $restore->execute();
     }
 
@@ -166,12 +165,12 @@ final class Upload implements JsonSerializable {
 
             if($this->dmca < 1) {
                 $delete = $conn->prepare('DELETE FROM `prm_uploads` WHERE `upload_id` = ?');
-                $delete->addParameter(1, $this->id, DbType::STRING);
+                $delete->addParameter(1, $this->id);
                 $delete->execute();
             }
         } else {
             $delete = $conn->prepare('UPDATE `prm_uploads` SET `upload_deleted` = NOW() WHERE `upload_id` = ?');
-            $delete->addParameter(1, $this->id, DbType::STRING);
+            $delete->addParameter(1, $this->id);
             $delete->execute();
         }
     }
@@ -223,16 +222,16 @@ final class Upload implements JsonSerializable {
             . ' `upload_expires`, `upload_bump`'
             . ') VALUES (?, ?, ?, ?, ?, ?, UNHEX(?), INET6_ATON(?), FROM_UNIXTIME(?), ?)'
         );
-        $create->addParameter(1, $id, DbType::STRING);
-        $create->addParameter(2, $appId < 1 ? null : $appId, DbType::INTEGER);
-        $create->addParameter(3, $userId < 1 ? null : $userId, DbType::INTEGER);
-        $create->addParameter(4, $fileName, DbType::STRING);
-        $create->addParameter(5, $fileType, DbType::STRING);
-        $create->addParameter(6, $fileSize, DbType::INTEGER);
-        $create->addParameter(7, $fileHash, DbType::STRING);
-        $create->addParameter(8, $_SERVER['REMOTE_ADDR'], DbType::STRING);
-        $create->addParameter(9, $fileExpiry > 0 ? (time() + $fileExpiry) : 0, DbType::INTEGER);
-        $create->addParameter(10, $bumpExpiry ? $fileExpiry : 0, DbType::INTEGER);
+        $create->addParameter(1, $id);
+        $create->addParameter(2, $appId < 1 ? null : $appId);
+        $create->addParameter(3, $userId < 1 ? null : $userId);
+        $create->addParameter(4, $fileName);
+        $create->addParameter(5, $fileType);
+        $create->addParameter(6, $fileSize);
+        $create->addParameter(7, $fileHash);
+        $create->addParameter(8, $_SERVER['REMOTE_ADDR']);
+        $create->addParameter(9, $fileExpiry > 0 ? (time() + $fileExpiry) : 0);
+        $create->addParameter(10, $bumpExpiry ? $fileExpiry : 0);
         $create->execute();
 
         return self::byId($conn, $id);
@@ -269,7 +268,7 @@ final class Upload implements JsonSerializable {
             . ' LOWER(HEX(`upload_hash`)) AS `upload_hash`'
             . ' FROM `prm_uploads` WHERE `upload_id` = ? AND `upload_deleted` IS NULL'
         );
-        $get->addParameter(1, $id, DbType::STRING);
+        $get->addParameter(1, $id);
         $get->execute();
         $result = $get->getResult();
 
@@ -291,7 +290,7 @@ final class Upload implements JsonSerializable {
             . ' LOWER(HEX(`upload_hash`)) AS `upload_hash`'
             . ' FROM `prm_uploads` WHERE `upload_hash` = UNHEX(?)'
         );
-        $get->addParameter(1, $hash, DbType::STRING);
+        $get->addParameter(1, $hash);
         $get->execute();
         $result = $get->getResult();
 
@@ -313,7 +312,7 @@ final class Upload implements JsonSerializable {
             . ' LOWER(HEX(`upload_hash`)) AS `upload_hash`'
             . ' FROM `prm_uploads` WHERE `upload_hash` = UNHEX(?) AND `user_id` = ?'
         );
-        $get->addParameter(1, $hash, DbType::STRING);
+        $get->addParameter(1, $hash);
         $get->addParameter(2, $userInfo instanceof User ? $userInfo->getId() : $userInfo);
         $get->execute();
         $result = $get->getResult();
diff --git a/src/User.php b/src/User.php
index 9091874..603a86c 100644
--- a/src/User.php
+++ b/src/User.php
@@ -4,7 +4,6 @@ namespace EEPROM;
 use RuntimeException;
 use JsonSerializable;
 use Index\Data\IDbConnection;
-use Index\Data\DbType;
 
 class User implements JsonSerializable {
     private static $active;
@@ -62,14 +61,14 @@ class User implements JsonSerializable {
 
     public static function byId(IDbConnection $conn, int $userId): self {
         $create = $conn->prepare('INSERT IGNORE INTO `prm_users` (`user_id`) VALUES (?)');
-        $create->addParameter(1, $userId, DbType::INTEGER);
+        $create->addParameter(1, $userId);
         $create->execute();
 
         $get = $conn->prepare(
             'SELECT `user_id`, `user_size_multiplier`, UNIX_TIMESTAMP(`user_created`) AS `user_created`,'
             . ' UNIX_TIMESTAMP(`user_restricted`) AS `user_restricted` FROM `prm_users` WHERE `user_id` = ?'
         );
-        $get->addParameter(1, $userId, DbType::INTEGER);
+        $get->addParameter(1, $userId);
         $get->execute();
         $result = $get->getResult();