diff --git a/panda/src/dxgsg8/dxGraphicsStateGuardian8.cxx b/panda/src/dxgsg8/dxGraphicsStateGuardian8.cxx
index acdaf5302b..a7a6ce02e3 100644
--- a/panda/src/dxgsg8/dxGraphicsStateGuardian8.cxx
+++ b/panda/src/dxgsg8/dxGraphicsStateGuardian8.cxx
@@ -4661,7 +4661,7 @@ do_issue_material() {
     // Otherwise, the ambient color comes from the object color.
     if (_has_material_force_color) {
       cur_material.Ambient = *(D3DCOLORVALUE *)_material_force_color.get_data();
-      _pD3DDevice->SetRenderState(D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_MATERIAL);
+      _pD3DDevice->SetRenderState(D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_MATERIAL);
     } else {
       _pD3DDevice->SetRenderState(D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_COLOR1);
     }
@@ -4782,6 +4782,7 @@ enable_clip_plane(int plane_id, bool enable) {
   } else {
     _clip_plane_bits &= ~((DWORD)1 << plane_id);
   }
+  _pD3DDevice->SetRenderState(D3DRS_CLIPPLANEENABLE, _clip_plane_bits);
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -4812,20 +4813,6 @@ bind_clip_plane(const NodePath &plane, int plane_id) {
   }
 }
 
-////////////////////////////////////////////////////////////////////
-//     Function: DXGraphicsStateGuardian8::end_bind_clip_planes
-//       Access: Protected, Virtual
-//  Description: Called after before bind_clip_plane() has been called one
-//               or more times (but before any geometry is issued or
-//               additional state is changed), this is intended to
-//               clean up any temporary changes to the state that may
-//               have been made by begin_bind_clip_planes().
-////////////////////////////////////////////////////////////////////
-void DXGraphicsStateGuardian8::
-end_bind_clip_planes() {
-  _pD3DDevice->SetRenderState(D3DRS_CLIPPLANEENABLE, _clip_plane_bits);
-}
-
 void DXGraphicsStateGuardian8::
 issue_color_write(const ColorWriteAttrib *attrib) {
   _color_write_mode = attrib->get_mode();
diff --git a/panda/src/dxgsg8/dxGraphicsStateGuardian8.h b/panda/src/dxgsg8/dxGraphicsStateGuardian8.h
index 8079681c68..34d8a93912 100644
--- a/panda/src/dxgsg8/dxGraphicsStateGuardian8.h
+++ b/panda/src/dxgsg8/dxGraphicsStateGuardian8.h
@@ -177,7 +177,6 @@ protected:
   virtual bool slot_new_clip_plane(int plane_id);
   virtual void enable_clip_plane(int plane_id, bool enable);
   virtual void bind_clip_plane(const NodePath &plane, int plane_id);
-  virtual void end_bind_clip_planes();
 
   virtual void set_blend_mode();