diff --git a/app/includes/session_middleware.php b/app/includes/session_middleware.php
deleted file mode 100644
index bf9880e..0000000
--- a/app/includes/session_middleware.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-/**
- * Session Middleware
- *
- * Validates session status and handles session timeout.
- * If session is invalid, redirects to login page.
- */
-
-function applySessionMiddleware($config, $app_root, $isTest = false) {
-    // Start session if not already started
-    if (session_status() !== PHP_SESSION_ACTIVE) {
-        Session::startSession();
-    }
-
-    // Check session validity
-    if (!Session::isValidSession()) {
-        // Only show session timeout message if there was an active session
-        // and we haven't shown it yet
-        if (isset($_SESSION['LAST_ACTIVITY']) && !isset($_SESSION['session_timeout_shown'])) {
-            Feedback::flash('LOGIN', 'SESSION_TIMEOUT');
-            $_SESSION['session_timeout_shown'] = true;
-        }
-
-        // Session invalid, clean up and redirect
-        Session::cleanup($config);
-
-        if (!$isTest) {
-            header('Location: ' . $app_root . '?page=login');
-            exit();
-        }
-        return false;
-    }
-
-    return true;
-}