diff --git a/files/demo.layers b/files/demo.layers
deleted file mode 100644
index 2ae6e1f..0000000
--- a/files/demo.layers
+++ /dev/null
@@ -1,23 +0,0 @@
-[{
-    "id": "world",
-    "name": "world",
-    "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs",
-    "Datasource": {
-        "file": "http://tilemill-data.s3.amazonaws.com/world_borders.zip",
-        "type": "shape",
-        "estimate_extent": "true",
-        "id": "world"
-    }
-},
-{
-    "id": "countries",
-    "name": "countries",
-    "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs",
-    "class": "countries two",
-    "Datasource": {
-        "file": "http://tilemill-data.s3.amazonaws.com/world_borders.zip",
-        "type": "shape",
-        "estimate_extent": "id",
-        "id": "countries"
-    }
-}]
\ No newline at end of file
diff --git a/files/demo.mss b/files/demo.mss
deleted file mode 100644
index 8ca6794..0000000
--- a/files/demo.mss
+++ /dev/null
@@ -1,10 +0,0 @@
-@red: #fff;
-
-#world {
-  polygon-fill: @red;
-  text-face-name: 'Arial', 'Verdana';
-}
-
-#countries {
-  text-face-name: 'Arial', 'Verdana', 'Helvetica';
-}
diff --git a/files/inheritance.layers b/files/inheritance.layers
deleted file mode 100644
index f8f60d8..0000000
--- a/files/inheritance.layers
+++ /dev/null
@@ -1,13 +0,0 @@
-[{
-    "id": "world",
-    "class": "blue",
-    "name": "world",
-    "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs",
-    "Datasource": {
-        "file": "http://tilemill-data.s3.amazonaws.com/world_borders.zip",
-        "type": "shape",
-        "estimate_extent": "true",
-        "id": "world"
-    }
-}
-]
diff --git a/files/inheritance.mss b/files/inheritance.mss
deleted file mode 100644
index 7f3474b..0000000
--- a/files/inheritance.mss
+++ /dev/null
@@ -1,8 +0,0 @@
-#world {
-  polygon-fill:#CCC;
-  polygon-opacity:0.5;
-}
-
-#world .blue {
-  polygon-fill:#1977B6;
-}