diff --git a/biscuit/core/__init__.py b/biscuit/core/__init__.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..cae73705779c8c016e545c4d619449e5f88d4e3d 100644
--- a/biscuit/core/__init__.py
+++ b/biscuit/core/__init__.py
@@ -0,0 +1 @@
+default_app_config = 'biscuit.core.apps.CoreConfig'
diff --git a/biscuit/core/apps.py b/biscuit/core/apps.py
new file mode 100644
index 0000000000000000000000000000000000000000..b2afdd550c2eee96a5266775b847901067fa5be5
--- /dev/null
+++ b/biscuit/core/apps.py
@@ -0,0 +1,22 @@
+from glob import glob
+import os
+
+from django.apps import AppConfig
+from django.conf import settings
+from django.utils.translation import gettext_lazy as _
+
+
+class CoreConfig(AppConfig):
+    name = 'biscuit.core'
+    verbose_name = _('BiscuIT - The Free School Information System')
+
+    def clean_scss(self):
+        for source_map in glob(os.path.join(settings.STATIC_ROOT, '*.css.map')):
+            try:
+                os.unlink(source_map)
+            except OSError:
+                # Ignore because old is better than nothing
+                pass  # noqa
+
+    def ready(self):
+        self.clean_scss()