diff --git a/source/blender/nodes/geometry/nodes/node_geo_set_mesh_normal.cc b/source/blender/nodes/geometry/nodes/node_geo_set_mesh_normal.cc
index 8c6cd4a4300..d1b05979957 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_set_mesh_normal.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_set_mesh_normal.cc
@@ -151,6 +151,7 @@ static void node_geo_exec(GeoNodeExecParams params)
           Array<float3> corner_normals(mesh->corners_num);
           evaluator.add_with_destination<float3>(custom_normal, corner_normals);
           evaluator.evaluate();
+          mesh->attributes_for_write().remove("custom_normal");
           bke::mesh_set_custom_normals(*mesh, corner_normals);
         }
       });