diff --git a/umap/models.py b/umap/models.py
index 857a01f5..e3db885e 100644
--- a/umap/models.py
+++ b/umap/models.py
@@ -218,7 +218,7 @@ class Map(NamedModel):
                 "umap_id": self.pk,
                 "onLoadPanel": "none",
                 "captionBar": False,
-                "schema": self.schema,
+                "schema": self.extra_schema,
                 "slideshow": {},
             }
         )
@@ -330,15 +330,12 @@ class Map(NamedModel):
         return new
 
     @classproperty
-    def schema(self):
-        schema = settings.UMAP_SCHEMA
-        schema.setdefault(
-            "iconUrl",
-            {
+    def extra_schema(self):
+        return {
+            "iconUrl": {
                 "default": "%sumap/img/marker.svg" % settings.STATIC_URL,
-            },
-        )
-        return schema
+            }
+        }
 
 
 class Pictogram(NamedModel):
diff --git a/umap/settings/base.py b/umap/settings/base.py
index 6766ea42..d29d08eb 100644
--- a/umap/settings/base.py
+++ b/umap/settings/base.py
@@ -256,7 +256,6 @@ UMAP_DEFAULT_SHARE_STATUS = None
 UMAP_DEFAULT_EDIT_STATUS = None
 UMAP_DEFAULT_FEATURES_HAVE_OWNERS = False
 UMAP_HOME_FEED = "latest"
-UMAP_SCHEMA = {}
 
 UMAP_READONLY = env("UMAP_READONLY", default=False)
 UMAP_GZIP = True
diff --git a/umap/views.py b/umap/views.py
index fcdcd1b5..aadd3fc7 100644
--- a/umap/views.py
+++ b/umap/views.py
@@ -488,7 +488,7 @@ class MapDetailMixin:
             "urls": _urls_for_js(),
             "tilelayers": TileLayer.get_list(),
             "editMode": self.edit_mode,
-            "schema": Map.schema,
+            "schema": Map.extra_schema,
             "umap_id": self.get_umap_id(),
             "starred": self.is_starred(),
             "licences": dict((l.name, l.json) for l in Licence.objects.all()),