diff --git a/lib/controllers/notifications_controller.dart b/lib/controllers/notifications_controller.dart
index b0d0d70..6bc7259 100644
--- a/lib/controllers/notifications_controller.dart
+++ b/lib/controllers/notifications_controller.dart
@@ -11,7 +11,7 @@ class NotificationsController extends GetxController {
         0,
         "Happy Birthday",
         "We wish you a happy birthday and prosperous new year",
-        DateTime.now().add(Duration(seconds: 10)));
+        DateTime.now().add(const Duration(seconds: 10)));
 
     debugPrint("Notifications Done!");
   }
@@ -47,7 +47,7 @@ class NotificationsController extends GetxController {
 
     // If the scheduled date is in the past, add a week to it
     if (now.isAfter(scheduledDate)) {
-      scheduledDate = scheduledDate.add(Duration(days: 7));
+      scheduledDate = scheduledDate.add(const Duration(days: 7));
     }
 
     // Schedule the notification
diff --git a/lib/pages/exams_timetable_page.dart b/lib/pages/exams_timetable_page.dart
index 3946783..7c6eb92 100644
--- a/lib/pages/exams_timetable_page.dart
+++ b/lib/pages/exams_timetable_page.dart
@@ -100,9 +100,7 @@ class _ExamTimeTablePageState extends State<ExamTimeTablePage> {
                                   itemBuilder: (context, index) => Padding(
                                     padding: const EdgeInsets.only(bottom: 8),
                                     child: ExamCourseCard(
-                                      ontap: () {
-                                        print("Hi");
-                                      },
+                                      ontap: () {},
                                       code: snapshot.data![index]["course_code"]
                                           .toString(),
                                       date: DateFormat('EEE dd/MM/yy').format(
diff --git a/lib/pages/login_page.dart b/lib/pages/login_page.dart
index 8a5a9b4..d49df56 100644
--- a/lib/pages/login_page.dart
+++ b/lib/pages/login_page.dart
@@ -1,5 +1,3 @@
-import 'dart:async';
-
 import 'package:academia/constants/common.dart';
 import 'package:academia/controllers/login_controller.dart';
 import 'package:flutter/cupertino.dart';
diff --git a/lib/pages/pdf_viewer.dart b/lib/pages/pdf_viewer.dart
index bf31e1e..a9d02eb 100644
--- a/lib/pages/pdf_viewer.dart
+++ b/lib/pages/pdf_viewer.dart
@@ -18,7 +18,6 @@ class PdfViewer extends StatefulWidget {
 }
 
 class _PdfViewerState extends State<PdfViewer> {
-  late PDFViewController _pdfViewerController;
   int currentPage = 0, totalPages = 0;
   bool isReady = false;
   String errorMessage = '';
@@ -93,7 +92,7 @@ class _PdfViewerState extends State<PdfViewer> {
                                 currentPage = page!;
                               });
                             },
-                            onRender: (_pages) {
+                            onRender: (pages) {
                               setState(() {});
                             },
                             onError: (error) {
diff --git a/lib/pages/tool_page.dart b/lib/pages/tool_page.dart
index d5b6bdf..b05cde8 100644
--- a/lib/pages/tool_page.dart
+++ b/lib/pages/tool_page.dart
@@ -4,7 +4,6 @@ import 'package:academia/controllers/settings_controller.dart';
 import 'package:academia/pages/birthday_page.dart';
 import 'package:academia/widgets/tool_card.dart';
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:intl/intl.dart';