diff --git a/invesalius/data/viewer_slice.py b/invesalius/data/viewer_slice.py
index 64ff4d8..a01b289 100755
--- a/invesalius/data/viewer_slice.py
+++ b/invesalius/data/viewer_slice.py
@@ -844,7 +844,6 @@ class Viewer(wx.Panel):
 
     def CloseProject(self):
         for slice_data in self.slice_data_list:
-            self.interactor.GetRenderWindow().RemoveRenderer(slice_data.renderer)
             del slice_data
             
         self.modes = []#['DEFAULT']
--
libgit2 0.21.2