diff --git a/client/src/mixins/me.ts b/client/src/mixins/me.ts
index de2136ec..fda00d09 100644
--- a/client/src/mixins/me.ts
+++ b/client/src/mixins/me.ts
@@ -31,7 +31,6 @@ export interface Location {
 
 type RouteLocation = Location | string;
 
-
 // TODO: ME_QUERY existiert an einem weiteren Ort. Dieser sollte entfernt werden.
 const defaultMe: MeQuery = {
   me: {
@@ -80,10 +79,6 @@ const getCurrentClassName = (me: Me) => {
   return currentClass ? currentClass.name : me.schoolClasses.length ? me.schoolClasses[0].name : '';
 };
 
-const getLastModuleLevel = (me: Me) => {
-  return me.lastModuleLevel;
-}
-
 const getMe = () => {
   const { result } = useQuery(ME_QUERY);
 
@@ -134,10 +129,6 @@ const meMixin = {
       // @ts-ignore
       return getCurrentClassName(this.$data.me);
     },
-    lastModuleLevel(): any {
-      // @ts-ignore
-      return getLastModuleLevel(this.$data.me);
-    }
   },
 
   apollo: {
diff --git a/server/books/models/module.py b/server/books/models/module.py
index 236b49df..abb43d26 100644
--- a/server/books/models/module.py
+++ b/server/books/models/module.py
@@ -8,13 +8,15 @@ from core.constants import DEFAULT_RICH_TEXT_FEATURES
 from core.wagtail_utils import StrictHierarchyPage, get_default_settings
 from users.models import SchoolClass
 
-FILTER_ATTRIBUTE_TYPE = (("all", "All"), ("exact", "Exact"))
+EXACT = "exact"
+
+FILTER_ATTRIBUTE_TYPE = (("all", "All"), (EXACT, "Exact"))
 
 
 class ModuleLevel(models.Model):
     name = models.CharField(max_length=255, unique=True)
     filter_attribute_type = models.CharField(
-        max_length=16, choices=FILTER_ATTRIBUTE_TYPE, default="exact"
+        max_length=16, choices=FILTER_ATTRIBUTE_TYPE, default=EXACT
     )
 
     def __str__(self):
@@ -25,10 +27,6 @@ class ModuleLevel(models.Model):
         verbose_name = _("module level")
 
 
-def default_category():
-    return ModuleLevel.objects.first().pk
-
-
 class ModuleCategory(models.Model):
     class Meta:
         verbose_name = _("module type")
@@ -37,7 +35,7 @@ class ModuleCategory(models.Model):
 
     name = models.CharField(max_length=255)
     filter_attribute_type = models.CharField(
-        max_length=16, choices=FILTER_ATTRIBUTE_TYPE, default="exact"
+        max_length=16, choices=FILTER_ATTRIBUTE_TYPE, default=EXACT
     )
 
     def __str__(self):