diff --git a/lab.ipynb b/lab.ipynb
index 282ff2f8..215a9e90 100644
--- a/lab.ipynb
+++ b/lab.ipynb
@@ -92,23 +92,6 @@
     "    global_systematics=[],\n",
     ")\n",
     "\n",
-    "#weak_lensing_yaml = \"\"\"\n",
-    "#per_bin_systematics:\n",
-    "#- type: MultiplicativeShearBiasFactory\n",
-    "#- type: PhotoZShiftFactory\n",
-    "#global_systematics:\n",
-    "#- type: LinearAlignmentSystematicFactory\n",
-    "#  alphag: 1.0\n",
-    "#\"\"\"\n",
-    "#number_counts_yaml = \"\"\"\n",
-    "#per_bin_systematics:\n",
-    "#- type: PhotoZShiftFactory\n",
-    "#global_systematics: []\n",
-    "#\"\"\"\n",
-    "\n",
-    "#weak_lensing_factory = base_model_from_yaml(WeakLensingFactory, weak_lensing_yaml)\n",
-    "#number_counts_factory = base_model_from_yaml(NumberCountsFactory, number_counts_yaml)\n",
-    "\n",
     "two_point_list = TwoPoint.from_metadata_only_real(\n",
     "    metadata=all_meta, wl_factory=wlf, nc_factory=ncf)"
    ]
@@ -138,46 +121,6 @@
     "tools.prepare(ccl_cosmo)"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 9,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "['src3_delta_z',\n",
-       " 'src2_delta_z',\n",
-       " 'lens2_delta_z',\n",
-       " 'lens0_bias',\n",
-       " 'src2_mult_bias',\n",
-       " 'lens1_bias',\n",
-       " 'lens0_delta_z',\n",
-       " 'ia_bias',\n",
-       " 'lens3_delta_z',\n",
-       " 'lens3_bias',\n",
-       " 'src1_delta_z',\n",
-       " 'lens4_delta_z',\n",
-       " 'lens1_delta_z',\n",
-       " 'src3_mult_bias',\n",
-       " 'src1_mult_bias',\n",
-       " 'alphaz',\n",
-       " 'src0_delta_z',\n",
-       " 'lens4_bias',\n",
-       " 'src0_mult_bias',\n",
-       " 'lens2_bias',\n",
-       " 'z_piv']"
-      ]
-     },
-     "execution_count": 9,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "list(req_params.get_params_names())"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 10,