diff --git a/app/http.php b/app/http.php
index fca4ff5c60..bfd7e7581c 100644
--- a/app/http.php
+++ b/app/http.php
@@ -316,13 +316,6 @@ $http->on('request', function (SwooleRequest $swooleRequest, SwooleResponse $swo
         Console::error('[Error] File: ' . $th->getFile());
         Console::error('[Error] Line: ' . $th->getLine());
 
-        /**
-         * Reset Database connection if PDOException was thrown.
-         */
-        if ($th instanceof PDOException) {
-            $db = null;
-        }
-
         $swooleResponse->setStatusCode(500);
 
         $output = ((App::isDevelopment())) ? [
diff --git a/app/realtime.php b/app/realtime.php
index 9df6ed5e4f..cea2f89b68 100644
--- a/app/realtime.php
+++ b/app/realtime.php
@@ -456,10 +456,6 @@ $server->onOpen(function (int $connection, SwooleRequest $request) use ($server,
             Console::error('[Error] Code: ' . $response['data']['code']);
             Console::error('[Error] Message: ' . $response['data']['message']);
         }
-
-        if ($th instanceof PDOException) {
-            $db = null;
-        }
     } finally {
         /**
          * Put used PDO and Redis Connections back into their pools.