diff --git a/README.md b/README.md
index 2a93209ce..2844b4281 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Key features are:
 
 * **multi-platform** (Linux/Mac/Win) and packaged as standalone-app with no dependencies required
 * complete **command-line interface** to use it with no GUI
-* multi-material (**multiple extruders**) object printing
+* multi-material **(multiple extruders)** object printing
 * multiple G-code flavors supported (RepRap, Makerbot, Mach3 etc.)
 * ability to plate **multiple objects having distinct print settings**
 * **multithread** processing
diff --git a/xs/MANIFEST b/xs/MANIFEST
index 3daca0236..9514db695 100644
--- a/xs/MANIFEST
+++ b/xs/MANIFEST
@@ -40,9 +40,7 @@ src/SurfaceCollection.hpp
 src/TriangleMesh.cpp
 src/TriangleMesh.hpp
 src/utils.cpp
-src/ZTable.hpp
 t/01_trianglemesh.t
-t/02_object.t
 t/03_point.t
 t/04_expolygon.t
 t/05_surface.t
@@ -63,7 +61,6 @@ xsp/ExtrusionPath.xsp
 xsp/Line.xsp
 xsp/my.map
 xsp/mytype.map
-xsp/Object.xsp
 xsp/Point.xsp
 xsp/Polygon.xsp
 xsp/Polyline.xsp