diff --git a/site/assignments/country-catalogue/asn4.ipynb b/site/assignments/country-catalogue/asn4.ipynb
index 75a0e1db..49c492d6 100644
--- a/site/assignments/country-catalogue/asn4.ipynb
+++ b/site/assignments/country-catalogue/asn4.ipynb
@@ -16,7 +16,7 @@
   "cells": [
     {
       "cell_type": "code",
-      "execution_count": 1,
+      "execution_count": null,
       "metadata": {
         "id": "fzMQClXIAq7r"
       },
@@ -119,7 +119,7 @@
       "metadata": {
         "id": "fIyBwt0uA6kO"
       },
-      "execution_count": 2,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -164,8 +164,6 @@
         "\n",
         "        :param country: Country object to add to the collection.\n",
         "        :type country: Country object.\n",
-        "        :param area: Area of the country.\n",
-        "        :type area: float.\n",
         "        \"\"\"\n",
         "\n",
         "\n",
@@ -245,7 +243,7 @@
       "metadata": {
         "id": "SGrsdqthA-Dc"
       },
-      "execution_count": 3,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -719,7 +717,7 @@
       "metadata": {
         "id": "fVVS4HJYBCFa"
       },
-      "execution_count": 4,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -735,7 +733,7 @@
         },
         "outputId": "9e13d5e4-6b0c-46cc-fd6c-a86ee678cf65"
       },
-      "execution_count": 5,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
diff --git a/site/assignments/country-catalogue/asn4.py b/site/assignments/country-catalogue/asn4.py
index 2dcd251c..bbea5b01 100644
--- a/site/assignments/country-catalogue/asn4.py
+++ b/site/assignments/country-catalogue/asn4.py
@@ -127,8 +127,6 @@ def add(self, country: Country) -> None:
 
         :param country: Country object to add to the collection.
         :type country: Country object.
-        :param area: Area of the country.
-        :type area: float.
         """