diff --git a/notebooks/.notebook_shadow_copies/Sec_05_Regridding.md b/notebooks/.notebook_shadow_copies/Sec_05_Regridding.md
index 2df4694..dae86b5 100644
--- a/notebooks/.notebook_shadow_copies/Sec_05_Regridding.md
+++ b/notebooks/.notebook_shadow_copies/Sec_05_Regridding.md
@@ -17,12 +17,7 @@ jupyter:
 ## Set up
 
 ```python
-from pathlib import Path
-import numpy as np
-
 from esmf_regrid.experimental.unstructured_scheme import MeshToGridESMFRegridder, GridToMeshESMFRegridder
-import iris
-from iris import load, load_cube
 from iris.coords import DimCoord
 from iris.cube import Cube
 ```
@@ -348,7 +343,3 @@ plt.show()
 # Use this regridder to compare how well bilinear regridding and area weighted
 # regridding preserve area weighted mean after round tripping.
 ```
-
-```python
-
-```
diff --git a/notebooks/Sec_05_Regridding.ipynb b/notebooks/Sec_05_Regridding.ipynb
index 6b67f3d..23f71d3 100644
--- a/notebooks/Sec_05_Regridding.ipynb
+++ b/notebooks/Sec_05_Regridding.ipynb
@@ -17,12 +17,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from pathlib import Path\n",
-    "import numpy as np\n",
-    "\n",
     "from esmf_regrid.experimental.unstructured_scheme import MeshToGridESMFRegridder, GridToMeshESMFRegridder\n",
-    "import iris\n",
-    "from iris import load, load_cube\n",
     "from iris.coords import DimCoord\n",
     "from iris.cube import Cube"
    ]
@@ -100,7 +95,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139674619665088\">\n",
+       "<table class=\"iris\" id=\"139657782791952\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Surface Altitude (m)</th>\n",
        "<th class=\"iris iris-word-cell\">--</th>\n",
@@ -260,7 +255,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139674619393456\">\n",
+       "<table class=\"iris\" id=\"139657783457200\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Surface Altitude (m)</th>\n",
        "<th class=\"iris iris-word-cell\">latitude</th>\n",
@@ -450,7 +445,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139674619666736\">\n",
+       "<table class=\"iris\" id=\"139657783310848\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Surface Altitude (m)</th>\n",
        "<th class=\"iris iris-word-cell\">latitude</th>\n",
@@ -614,7 +609,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139674619006448\">\n",
+       "<table class=\"iris\" id=\"139657782706768\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Air Temperature (K)</th>\n",
        "<th class=\"iris iris-word-cell\">time</th>\n",
@@ -819,7 +814,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139673764346560\">\n",
+       "<table class=\"iris\" id=\"139657074290352\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Air Temperature (K)</th>\n",
        "<th class=\"iris iris-word-cell\">time</th>\n",
@@ -1131,7 +1126,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139673641996096\">\n",
+       "<table class=\"iris\" id=\"139657037460720\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Surface Altitude (m)</th>\n",
        "<th class=\"iris iris-word-cell\">--</th>\n",
@@ -1493,7 +1488,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139673639737424\">\n",
+       "<table class=\"iris\" id=\"139656948433248\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Unknown (unknown)</th>\n",
        "<th class=\"iris iris-word-cell\">longitude</th>\n",
@@ -1767,7 +1762,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139674889536848\">\n",
+       "<table class=\"iris\" id=\"139657782747872\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Relative Humidity At Screen Level (1)</th>\n",
        "<th class=\"iris iris-word-cell\">time</th>\n",
@@ -1957,7 +1952,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139673764421008\">\n",
+       "<table class=\"iris\" id=\"139656950223056\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Surface Altitude (m)</th>\n",
        "<th class=\"iris iris-word-cell\">latitude</th>\n",
@@ -2141,7 +2136,7 @@
        "      margin-top: 7px;\n",
        "  }\n",
        "</style>\n",
-       "<table class=\"iris\" id=\"139674889563632\">\n",
+       "<table class=\"iris\" id=\"139657037525440\">\n",
        "    <tr class=\"iris\">\n",
        "<th class=\"iris iris-word-cell\">Relative Humidity At Screen Level (1)</th>\n",
        "<th class=\"iris iris-word-cell\">time</th>\n",
@@ -2342,14 +2337,6 @@
     "# Use this regridder to compare how well bilinear regridding and area weighted\n",
     "# regridding preserve area weighted mean after round tripping."
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "280e4932-3978-441b-82c8-83c300f9ee4a",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {