diff --git a/data.yml b/data.yml
index 9877390..057dd8f 100644
--- a/data.yml
+++ b/data.yml
@@ -122,7 +122,6 @@ Layer:
       user: osm
     description: Buildings
     fields: 
-      featureclass: String
       scalerank: Number
       type: String
     properties: 
@@ -151,7 +150,7 @@ Layer:
               WHERE z(!scale_denominator!) BETWEEN 2 AND 4
               UNION ALL
               SELECT * FROM ice_z5
-              WHERE z(!scale_denominator!) BETWEEN 5 AND 7
+              WHERE z(!scale_denominator!) BETWEEN 5 AND 8
           ) AS ice
           WHERE geom && !bbox!
         ) AS t
diff --git a/schema/layers/road.sql b/schema/layers/road.sql
index 28931b1..49efe91 100644
--- a/schema/layers/road.sql
+++ b/schema/layers/road.sql
@@ -1,8 +1,8 @@
 CREATE OR REPLACE VIEW ne_10m_global_roads AS (
-    SELECT geom, scalerank, featurecla as featureclass, type
-    FROM ne_10m_roads WHERE continent <> 'North America'
+    SELECT geom, scalerank, type
+    FROM ne_10m_roads WHERE continent <> 'North America' AND featurecla = 'Road'
     UNION ALL
-    SELECT geom, scalerank, class as featureclass, type
+    SELECT geom, scalerank, type
     FROM ne_10m_roads_north_america
 );