diff --git a/api/material/delete.php b/api/material/delete.php
index c856ba07670f468d3660cc4bd379086ab5735814..8b86478eb95b5dbccfe92fe80247942ab768c14d 100644
--- a/api/material/delete.php
+++ b/api/material/delete.php
@@ -10,7 +10,12 @@
 
     if(isset($_POST["material_id"])){
             $material = new Material();
-            $rows = $material->delete_material($_POST["material_id"]);    
+            
+            $deleted_material = $material->single_material($_POST["material_id"]);
+            $rm_file = 'rm ../..' . $deleted_material["material_path"];
+            exec($rm_file);
+
+            $rows = $material->delete_material($_POST["material_id"]);
             if($rows){
                 http_response_code(200);
                 $_SESSION["success"] = "Material has been deleted!";
diff --git a/api/material/edit.php b/api/material/edit.php
index 76cc8a6d0298bbd98abf1e6e1dc9f00f0c7ef94a..2172dd4139e820b90fb39de741a1dc8e02fd3ce4 100644
--- a/api/material/edit.php
+++ b/api/material/edit.php
@@ -32,6 +32,11 @@
             $response = move_uploaded_file($_FILES["material_path"]["tmp_name"],$targeted_file);
             $saved_file = $material_file;
         }
+
+        $deleted_material = $material->single_material($_POST["material_id"]);
+        $rm_file = 'rm ../..' . $deleted_material["material_path"];
+        exec($rm_file);
+        
         $rows = $material->update_material($material_id,$title,$description,$material_type,$saved_file);
         if($rows){
             http_response_code(200);
diff --git a/app/models/Material.php b/app/models/Material.php
index b78deb613cc3b5ef9e60462037ff2ba191a835d1..ecc7a09c9a4b355bcf2f9b54e4309a5f84a69fb9 100644
--- a/app/models/Material.php
+++ b/app/models/Material.php
@@ -34,5 +34,14 @@ class Material extends Model{
         $this->database->execute();
         return $this->database->rowCount();
     }
+
+    public function single_material($id){
+        $query = "SELECT * FROM materials WHERE material_id = :material_id";
+        $this->database->query($query);
+        $this->database->bind("material_id",$id);
+        $result = $this->database->single_fetch();
+        return $result;            
+    }
+
 }
 ?>
\ No newline at end of file
diff --git a/app/views/courses/detailModule.php b/app/views/courses/detailModule.php
index c6e43c8b9b4a0fc9d2149ef1500131273d55810b..733db74f05d04e4d1f560ea5f6c145ccf464378a 100644
--- a/app/views/courses/detailModule.php
+++ b/app/views/courses/detailModule.php
@@ -257,7 +257,7 @@
                                                         <path fill='#564C95' d='M19 19H8.158c-.026 0-.053.01-.079.01-.033 0-.066-.009-.1-.01H5V5h6.847l2-2H5c-1.103 0-2 .896-2 2v14c0 1.104.897 2 2 2h14a2 2 0 0 0 2-2v-8.668l-2 2V19z'></path>
                                                     </svg>
                                                 </i>
-                                                <i onclick='openFormDeleteMaterial(\"$module[module_id]\", \"$material[material_id]\", \"$material[title]\")'>
+                                                <i onclick='openFormDeleteMaterial(\"$module[module_id]\", \"$material[material_id]\", \"$material[title]\", \"$material[material_path]\")'>
                                                     <svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' style='fill: #564C95 ;'>
                                                         <path d='M6 7H5v13a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V7H6zm10.618-3L15 2H9L7.382 4H3v2h18V4z'></path>
                                                     </svg>
diff --git a/app/views/navbar/navbar.php b/app/views/navbar/navbar.php
index b9697927bcebd41459af9d28c387f0d1c53cd601..6f215fe532a640963f346937404b737a65cc8bd5 100644
--- a/app/views/navbar/navbar.php
+++ b/app/views/navbar/navbar.php
@@ -98,7 +98,7 @@
             <li>
                 <a href="/search">
                 <i>
-                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" style="fill: rgba(0, 0, 0, 1);transform: ;msFilter:;">
+                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" style="fill: rgba(0, 0, 0, 1);">
                     <path fill="white" d="M19.023 16.977a35.13 35.13 0 0 1-1.367-1.384c-.372-.378-.596-.653-.596-.653l-2.8-1.337A6.962 6.962 0 0 0 16 9c0-3.859-3.14-7-7-7S2 5.141 2 9s3.14 7 7 7c1.763 0 3.37-.66 4.603-1.739l1.337 2.8s.275.224.653.596c.387.363.896.854 1.384 1.367l1.358 1.392.604.646 2.121-2.121-.646-.604c-.379-.372-.885-.866-1.391-1.36zM9 14c-2.757 0-5-2.243-5-5s2.243-5 5-5 5 2.243 5 5-2.243 5-5 5z"></path>
                 </svg>
                 </i>
diff --git a/public/file/.gitkeep b/public/file/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/public/image/course/.gitkeep b/public/image/course/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/public/image/course/defaultprofilepicture.jpg b/public/image/course/defaultprofilepicture.jpg
deleted file mode 100644
index aa55b282dffd60b7a561fa52b4a5c9ecf8a97068..0000000000000000000000000000000000000000
Binary files a/public/image/course/defaultprofilepicture.jpg and /dev/null differ
diff --git a/public/js/detailsModule.js b/public/js/detailsModule.js
index 88bbe92aada7b94066ada25218776fbf35447d33..a0562f7cc376e35a8618f21a0761e67a8da33847 100644
--- a/public/js/detailsModule.js
+++ b/public/js/detailsModule.js
@@ -69,13 +69,13 @@ function openFormAddMaterial(module_id) {
   };
 }
 
-function openFormDeleteMaterial(module_id, material_id, title) {
+function openFormDeleteMaterial(module_id, material_id, title, material_path) {
   openForm(".popup-section2", ".cancel-save2", ".popup-overlay2");
   var message = document.querySelector(".delete-warning");
   message.innerText = "Delete material " + title + "?";
   var button = document.querySelector(".confirm-save2");
   button.onclick = function () {
-    handleDeleteMaterial(module_id, material_id);
+    handleDeleteMaterial(module_id, material_id, material_path);
   };
 }
 
@@ -190,9 +190,10 @@ const handleAddMaterial = (module_id) => {
   xhr.send(data);
 };
 
-const handleDeleteMaterial = (module_id, material_id) => {
+const handleDeleteMaterial = (module_id, material_id, material_path) => {
   const data = new FormData();
   data.append("material_id", parseInt(material_id));
+  data.append("old_file", material_path);
   const xhr = new XMLHttpRequest();
   xhr.open("POST", "/api/material/delete.php", true);
   xhr.onload = function () {