diff --git a/src/res/ext/bigbrain.json b/src/res/ext/bigbrain.json
index 22556883653d752f26da1a8cd644d808279810dd..adbc484da46e62a041e2ba45f34bf9fab4e6d20c 100644
--- a/src/res/ext/bigbrain.json
+++ b/src/res/ext/bigbrain.json
@@ -1124,169 +1124,6 @@
                               ]
                             }
                           ]
-                        },
-                        {
-                          "name": "lateral occipital cortex",
-                          "children": [
-                            {
-                              "name": "Area hOc5 (LOC)",
-                              "ngId": "v5",
-                              "status": "fully mapped",
-                              "labelIndex": 1,
-                              "rgb": [
-                                255,
-                                0,
-                                0
-                              ],
-                              "children": [],
-                              "fullId": {
-                                "kg": {
-                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
-                                  "kgId": "b40afb5a-e6a1-47b6-8a3e-1f8a20fbf99a"
-                                }
-                              },
-                              "relatedAreas": []
-                            }
-                          ]
-                        }
-                      ]
-                    }
-                  ]
-                }
-              ]
-            }
-          ]
-        },
-        {
-          "name": "diencephalon",
-          "children": [
-            {
-              "name": "cerebral nuclei",
-              "children": [
-                {
-                  "name": "thalamus",
-                  "children": [
-                    {
-                      "name": "metathalamus",
-                      "children": [
-                        {
-                          "name": "lateral geniculate body",
-                          "children": [
-                            {
-                              "name": "LGB-lam1 (CGL, Metathalamus)",
-                              "ngId": "LGB-lam1",
-                              "status": "fully mapped",
-                              "labelIndex": 1,
-                              "rgb": [
-                                255,
-                                255,
-                                74
-                              ],
-                              "children": [],
-                              "fullId": {
-                                "kg": {
-                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
-                                  "kgId": "29335a69-4241-422a-a91c-117bc3bc8fa8"
-                                }
-                              },
-                              "relatedAreas": []
-                            },
-                            {
-                              "name": "LGB-lam2 (CGL, Metathalamus)",
-                              "ngId": "LGB-lam2",
-                              "status": "fully mapped",
-                              "labelIndex": 1,
-                              "rgb": [
-                                222,
-                                74,
-                                173
-                              ],
-                              "children": [],
-                              "fullId": {
-                                "kg": {
-                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
-                                  "kgId": "29335a69-4241-422a-a91c-117bc3bc8fa8"
-                                }
-                              },
-                              "relatedAreas": []
-                            },
-                            {
-                              "name": "LGB-lam3 (CGL, Metathalamus)",
-                              "ngId": "LGB-lam3",
-                              "status": "fully mapped",
-                              "labelIndex": 1,
-                              "rgb": [
-                                132,
-                                90,
-                                173
-                              ],
-                              "children": [],
-                              "fullId": {
-                                "kg": {
-                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
-                                  "kgId": "29335a69-4241-422a-a91c-117bc3bc8fa8"
-                                }
-                              },
-                              "relatedAreas": []
-                            },
-                            {
-                              "name": "LGB-lam4 (CGL, Metathalamus)",
-                              "ngId": "LGB-lam4",
-                              "status": "fully mapped",
-                              "labelIndex": 1,
-                              "rgb": [
-                                41,
-                                123,
-                                198
-                              ],
-                              "children": [],
-                              "fullId": {
-                                "kg": {
-                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
-                                  "kgId": "29335a69-4241-422a-a91c-117bc3bc8fa8"
-                                }
-                              },
-                              "relatedAreas": []
-                            },
-                            {
-                              "name": "LGB-lam5 (CGL, Metathalamus)",
-                              "ngId": "LGB-lam5",
-                              "status": "fully mapped",
-                              "labelIndex": 1,
-                              "rgb": [
-                                82,
-                                214,
-                                222
-                              ],
-                              "children": [],
-                              "fullId": {
-                                "kg": {
-                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
-                                  "kgId": "29335a69-4241-422a-a91c-117bc3bc8fa8"
-                                }
-                              },
-                              "relatedAreas": []
-                            },
-                            {
-                              "name": "LGB-lam6 (CGL, Metathalamus)",
-                              "ngId": "LGB-lam6",
-                              "status": "fully mapped",
-                              "labelIndex": 1,
-                              "rgb": [
-                                99,
-                                231,
-                                66
-                              ],
-                              "children": [],
-                              "fullId": {
-                                "kg": {
-                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
-                                  "kgId": "29335a69-4241-422a-a91c-117bc3bc8fa8"
-                                }
-                              },
-                              "relatedAreas": []
-                            }
-                          ]
                         }
                       ]
                     }