diff --git a/multi-area-model.ipynb b/multi-area-model.ipynb
index 5848c03757d6fec7cebee8edd41fbcb9658d36fe..3e874ca1d76d5620166c5fde4ce0ff1a37555627 100644
--- a/multi-area-model.ipynb
+++ b/multi-area-model.ipynb
@@ -368,35 +368,6 @@
     "                   theory=True)"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "id": "91649c30",
-   "metadata": {},
-   "source": [
-    "### 2.3. Predict firing rates from theory <a class=\"anchor\" id=\"section_2_3\"></a>"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "id": "07cc84bf-dbcf-4ac3-b76e-ebe0886b4012",
-   "metadata": {},
-   "source": [
-    "Note: the prediction may differ from the simulation results, especially in the presence of synchrony."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "6a7ddf0e",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "p, r = M.theory.integrate_siegert()\n",
-    "\n",
-    "print(\"Mean-field theory predicts an average \"\n",
-    "      \"firing rate of {0:.3f} spikes/s across all populations.\".format(np.mean(r[:, -1])))"
-   ]
-  },
   {
    "cell_type": "markdown",
    "id": "c361fa92-4f50-4519-9592-60a39888a12b",
@@ -410,7 +381,7 @@
    "id": "2062ddf3",
    "metadata": {},
    "source": [
-    "### 2.4. Extract and visualize inter-areal connectivity <a class=\"anchor\" id=\"section_2_4\"></a>"
+    "### 2.3. Extract and visualize inter-areal connectivity <a class=\"anchor\" id=\"section_2_4\"></a>"
    ]
   },
   {
@@ -476,7 +447,7 @@
    "id": "0c1cad59-81d0-4e24-ac33-13c4ca8c6dec",
    "metadata": {},
    "source": [
-    "### 2.5. Run a simulation <a class=\"anchor\" id=\"section_2_5\"></a>"
+    "### 2.4. Run a simulation <a class=\"anchor\" id=\"section_2_5\"></a>"
    ]
   },
   {