From b9727dae829dcdfcf4df09dec91185608bcffdd0 Mon Sep 17 00:00:00 2001
From: Hans Goudey <h.goudey@me.com>
Date: Thu, 8 Sep 2022 09:50:28 -0500
Subject: [PATCH] Cleanup: Remove redundant vertex duplication in extrude node

Now this is done by `Mesh::verts_for_write()`
---
 source/blender/nodes/geometry/nodes/node_geo_extrude_mesh.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/source/blender/nodes/geometry/nodes/node_geo_extrude_mesh.cc b/source/blender/nodes/geometry/nodes/node_geo_extrude_mesh.cc
index 9224e9d55f3..64779494e3e 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_extrude_mesh.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_extrude_mesh.cc
@@ -98,10 +98,6 @@ static void expand_mesh(Mesh &mesh,
     mesh.totvert += vert_expand;
     CustomData_realloc(&mesh.vdata, mesh.totvert);
   }
-  else {
-    /* Even when the number of vertices is not changed, the mesh can still be deformed. */
-    CustomData_duplicate_referenced_layer(&mesh.vdata, CD_MVERT, mesh.totvert);
-  }
   if (edge_expand != 0) {
     CustomData_duplicate_referenced_layers(&mesh.edata, mesh.totedge);
     mesh.totedge += edge_expand;