diff --git a/lib/db.php b/lib/db.php
index a3c5940..1dcd1ab 100644
--- a/lib/db.php
+++ b/lib/db.php
@@ -158,15 +158,9 @@ class Database {
          */
 
         $this->log->d("Check if table requests exists");
-        if ($this->pdo->driver === "PDO_PGSQL") {
-            $stmt = "SELECT * FROM information_schema.tables WHERE
-                    table_type = 'BASE TABLE' and
-                    table_name = 'requests'";
-        } else if ($this->pdo->driver === "PDO_PSQLITE") {
-            // ungetestet
-            $stmt = "SELECT 1 FROM sqlite_master WHERE type='table' and
-                    name='requests'";
-        }
+        $stmt = "SELECT * FROM information_schema.tables WHERE
+                table_type = 'BASE TABLE' and
+                table_name = 'requests'";
         try {
             $response = $this->pdo->query($stmt);
         } catch (PDOException $e) {
@@ -234,7 +228,7 @@ class Database {
         $userFound = false;
         $users = [];
         $this->log->d("Search for localpart {$nick} in users");
-        $query = "SELECT `name` FROM users WHERE `name` = :nick";
+        $query = "SELECT name FROM users WHERE name = :nick";
         $name = "@" . $nick . ":matrix.kraut.space";
         $users = $this->searchUser($query, $name);
         $count = count($users);
@@ -321,7 +315,7 @@ class Database {
 
         $this->log->i("Search for IP: {$_SERVER['REMOTE_ADDR']}");
         $stmt = $this->pdo->prepare(
-            "SELECT `time` FROM requests WHERE ip = :ip"
+            "SELECT time FROM requests WHERE ip = :ip"
         );
         try {
             $stmt->BindValue(':ip', $ip, PDO::PARAM_LOB);