diff --git a/01_nb_cncf_optimization/02-objective_multi-core_gridsearch.ipynb b/01_nb_cncf_optimization/02-objective_multi-core_gridsearch.ipynb
index 79d0073..4587ef6 100644
--- a/01_nb_cncf_optimization/02-objective_multi-core_gridsearch.ipynb
+++ b/01_nb_cncf_optimization/02-objective_multi-core_gridsearch.ipynb
@@ -269,193 +269,6 @@
     "else:\n",
     "    results_df = pd.read_csv(objective_result_file)"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 19,
-   "id": "45d7f86f-edee-4fc5-835f-1e311ab2e411",
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
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-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>Objective</th>\n",
-       "      <th>Optimal TTL</th>\n",
-       "      <th>db_object_count</th>\n",
-       "      <th>cache_size</th>\n",
-       "      <th>c_f (Miss Cost)</th>\n",
-       "      <th>c_delta (Refresh Cost)</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>0.715000</td>\n",
-       "      <td>[-0.0, -0.0, inf, -0.0, -0.0, -0.0, -0.0, inf,...</td>\n",
-       "      <td>10</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>0.1</td>\n",
-       "      <td>0.01</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>0.640000</td>\n",
-       "      <td>[inf, -0.0, -0.0, -0.0, -0.0, -0.0, inf, -0.0,...</td>\n",
-       "      <td>10</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>0.1</td>\n",
-       "      <td>0.02</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>0.840000</td>\n",
-       "      <td>[-0.0, -0.0, -0.0, inf, -0.0, -0.0, -0.0, inf,...</td>\n",
-       "      <td>10</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>0.1</td>\n",
-       "      <td>0.04</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>1.550000</td>\n",
-       "      <td>[-0.0, -0.0, -0.0, -0.0, -0.0, inf, -0.0, -0.0...</td>\n",
-       "      <td>10</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>0.1</td>\n",
-       "      <td>0.05</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>2.679577</td>\n",
-       "      <td>[0.07466480059267179, -0.0, -0.0, 0.0338036715...</td>\n",
-       "      <td>10</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>0.1</td>\n",
-       "      <td>0.07</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>...</th>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
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-       "    <tr>\n",
-       "      <th>32719</th>\n",
-       "      <td>8560.000000</td>\n",
-       "      <td>[0.5493061443340548, 1.0986122886681096, 0.078...</td>\n",
-       "      <td>500</td>\n",
-       "      <td>500.0</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>15.00</td>\n",
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-       "    <tr>\n",
-       "      <th>32720</th>\n",
-       "      <td>11625.000000</td>\n",
-       "      <td>[0.17328679513998632, 0.6931471805599453, 0.69...</td>\n",
-       "      <td>500</td>\n",
-       "      <td>500.0</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>20.00</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>32721</th>\n",
-       "      <td>21466.000000</td>\n",
-       "      <td>[0.5108256237659907, 0.1702752079219969, 0.170...</td>\n",
-       "      <td>500</td>\n",
-       "      <td>500.0</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>25.00</td>\n",
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-       "    <tr>\n",
-       "      <th>32722</th>\n",
-       "      <td>15644.000000</td>\n",
-       "      <td>[0.2231435513142097, 0.022314355131420972, 0.1...</td>\n",
-       "      <td>500</td>\n",
-       "      <td>500.0</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>50.00</td>\n",
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-       "    <tr>\n",
-       "      <th>32723</th>\n",
-       "      <td>15892.000000</td>\n",
-       "      <td>[0.10536051565782628, 0.02634012891445657, 0.0...</td>\n",
-       "      <td>500</td>\n",
-       "      <td>500.0</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>100.00</td>\n",
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-       "  </tbody>\n",
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-       "<p>32724 rows × 6 columns</p>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "          Objective                                        Optimal TTL  \\\n",
-       "0          0.715000  [-0.0, -0.0, inf, -0.0, -0.0, -0.0, -0.0, inf,...   \n",
-       "1          0.640000  [inf, -0.0, -0.0, -0.0, -0.0, -0.0, inf, -0.0,...   \n",
-       "2          0.840000  [-0.0, -0.0, -0.0, inf, -0.0, -0.0, -0.0, inf,...   \n",
-       "3          1.550000  [-0.0, -0.0, -0.0, -0.0, -0.0, inf, -0.0, -0.0...   \n",
-       "4          2.679577  [0.07466480059267179, -0.0, -0.0, 0.0338036715...   \n",
-       "...             ...                                                ...   \n",
-       "32719   8560.000000  [0.5493061443340548, 1.0986122886681096, 0.078...   \n",
-       "32720  11625.000000  [0.17328679513998632, 0.6931471805599453, 0.69...   \n",
-       "32721  21466.000000  [0.5108256237659907, 0.1702752079219969, 0.170...   \n",
-       "32722  15644.000000  [0.2231435513142097, 0.022314355131420972, 0.1...   \n",
-       "32723  15892.000000  [0.10536051565782628, 0.02634012891445657, 0.0...   \n",
-       "\n",
-       "       db_object_count  cache_size  c_f (Miss Cost)  c_delta (Refresh Cost)  \n",
-       "0                   10         1.0              0.1                    0.01  \n",
-       "1                   10         1.0              0.1                    0.02  \n",
-       "2                   10         1.0              0.1                    0.04  \n",
-       "3                   10         1.0              0.1                    0.05  \n",
-       "4                   10         1.0              0.1                    0.07  \n",
-       "...                ...         ...              ...                     ...  \n",
-       "32719              500       500.0             10.0                   15.00  \n",
-       "32720              500       500.0             10.0                   20.00  \n",
-       "32721              500       500.0             10.0                   25.00  \n",
-       "32722              500       500.0             10.0                   50.00  \n",
-       "32723              500       500.0             10.0                  100.00  \n",
-       "\n",
-       "[32724 rows x 6 columns]"
-      ]
-     },
-     "execution_count": 19,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "results_df"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "b3dbf01b-84f8-4404-b635-381b46679876",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {