diff --git a/catalog/alaska_et_2020_ccsm4_historical_simulation/collection.json b/catalog/alaska_et_2020_ccsm4_historical_simulation/collection.json
index 829d575869c12934c99d64854d433e02c22766fc..75b0cac60941dc6127d2b6ec971a4569e1864496 100644
--- a/catalog/alaska_et_2020_ccsm4_historical_simulation/collection.json
+++ b/catalog/alaska_et_2020_ccsm4_historical_simulation/collection.json
@@ -132,24 +132,6 @@
         "osn"
       ]
     },
-    "zarr-s3": {
-      "href": "s3://nhgf-development/workspace/DataConversion/alaska_et_2020_ccsm4_historical_simulation.zarr/",
-      "type": "application/vnd+zarr",
-      "description": "S3 access to collection zarr group",
-      "xarray:open_kwargs": {
-        "chunks": {},
-        "engine": "zarr",
-        "consolidated": true
-      },
-      "xarray:storage_options": {
-        "requester_pays": true
-      },
-      "roles": [
-        "data",
-        "zarr",
-        "s3"
-      ]
-    },
     "zarr-s3-aws": {
       "href": "s3://nhgf-development/workspace/DataConversion/alaska_et_2020_ccsm4_historical_simulation.zarr/",
       "type": "application/vnd+zarr",
diff --git a/workflows/archive/alaska_et_2020_ccsm4_historical_simulation_create_collection_from_zarr.ipynb b/workflows/archive/alaska_et_2020_ccsm4_historical_simulation_create_collection_from_zarr.ipynb
index fb770d9136f41630953db32645f8e28ceb6cddb3..b74ce4069df955ae97eccd3c8da117e1d272b011 100644
--- a/workflows/archive/alaska_et_2020_ccsm4_historical_simulation_create_collection_from_zarr.ipynb
+++ b/workflows/archive/alaska_et_2020_ccsm4_historical_simulation_create_collection_from_zarr.ipynb
@@ -461,6 +461,18 @@
     "## Add zarr url asset to collection"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "739e76cd-7712-4fef-b278-01d342eae674",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# first clear out any existing assets - that way if we change the name, we won't have the old asset\n",
+    "# preserved\n",
+    "collection.assets.clear()"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -504,7 +516,7 @@
    "id": "0428bc79-153a-4185-9b69-87d9b4e994fc",
    "metadata": {},
    "source": [
-    "### Add Collection Link to Archival Assets on S3"
+    "## Add Collection Link to Archival Assets on S3"
    ]
   },
   {
@@ -524,6 +536,16 @@
     "collection.add_asset(archival_id, archival_asset)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "43620d09-f89a-47c8-bef8-8fe863bc326d",
+   "metadata": {
+    "tags": []
+   },
+   "outputs": [],
+   "source": []
+  },
   {
    "cell_type": "markdown",
    "id": "f67cd5c9-db33-45c2-bc21-480cd67354f4",