diff --git a/tin/apps/courses/models.py b/tin/apps/courses/models.py
index 4f96a377..c4132946 100644
--- a/tin/apps/courses/models.py
+++ b/tin/apps/courses/models.py
@@ -60,7 +60,7 @@ class Course(models.Model):
     archived = models.BooleanField(default=False)
     permission = models.CharField(max_length=1, choices=PERMISSIONS, default="r")
 
-    objects: CourseQuerySet = CourseQuerySet.as_manager()  # type: ignore[assignment-type]
+    objects = CourseQuerySet.as_manager()
 
     def __str__(self):
         return self.name
diff --git a/tin/static/css/choose.css b/tin/static/css/choose.css
index 12397861..313670a9 100644
--- a/tin/static/css/choose.css
+++ b/tin/static/css/choose.css
@@ -25,6 +25,16 @@
   padding-top: 10px;
 }
 
+@media (max-width: 768px) {
+  .row {
+    flex-direction: column;
+  }
+
+  .col {
+    width: 100%;
+  }
+}
+
 .card {
   position: relative;
   display: flex;
diff --git a/tin/templates/assignments/custom_file_action.html b/tin/templates/assignments/custom_file_action.html
index bc552008..b2a8d966 100644
--- a/tin/templates/assignments/custom_file_action.html
+++ b/tin/templates/assignments/custom_file_action.html
@@ -1,14 +1,5 @@
 {% extends "base.html" %}
 
-{% block head %}
-  <script type="text/javascript">
-    $(document).ready(function () {
-      $("#id_courses").selectize();
-    });
-  </script>
-
-{% endblock %}
-
 {% block title %}
   {% if not action %}
     Create a File Action
diff --git a/tin/templates/assignments/manage_files.html b/tin/templates/assignments/manage_files.html
index 73ed4d20..81d3b5e2 100644
--- a/tin/templates/assignments/manage_files.html
+++ b/tin/templates/assignments/manage_files.html
@@ -55,7 +55,6 @@ <h4 style="color:red;">{{ file_errors }}</h4>
     <h2 style="border-top:1px solid lightgray;padding-top:15px;">File actions</h2>
     {% for action in actions %}
       <a class="left tin-btn" href="{% url 'assignments:file_action' assignment.id action.id %}">{{ action.name }}</a>
-      <span style="font-size:18px"><a href="{% url 'assignments:edit_file_action' action.id %}">⚙️</a></span>
     {% empty %}
       <p class="italic">No actions available</p>
     {% endfor %}