diff --git a/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb b/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
index 79b443debcaaf18fc488c9c84f25796cdb17abfc..52b639be6ccbc481a69df0242d96ca1441b09306 100644
--- a/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
+++ b/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
@@ -150,7 +150,7 @@
     "    runs_dict[run_name] = {\n",
     "        \"number\": run_number,\n",
     "        \"gain\": gain_idx,\n",
-    "        \"dc\": RunDirectory(f'{in_folder}/r{run_number:04d}/', _use_voview=False)\n",
+    "        \"dc\": RunDirectory(f'{in_folder}/r{run_number:04d}/')\n",
     "    }\n",
     "\n",
     "creation_time=None\n",
@@ -206,7 +206,7 @@
     "# Create out_folder if it doesn't exist.\n",
     "Path(out_folder).mkdir(parents=True, exist_ok=True)\n",
     "\n",
-    "file_sizes = []\n",
+    "mod_image_size = []\n",
     "for run_dict in runs_dict.values():\n",
     "    missing_modules = []  # modules with no images within a run.\n",
     "    n_trains_list = []   # list of the number of trains for each module within a run.\n",
@@ -230,8 +230,7 @@
     "                  f\"for AGIPD{m:02d}, run {run_dict['number']} \")\n",
     "\n",
     "        n_trains_list.append(n_trains)\n",
-    "\n",
-    "        file_sizes += [os.path.getsize(f.filename) / 1e9 for f in dc.files]\n",
+    "        mod_image_size.append(np.product(dc[instrument_src.format(m), \"image.data\"].shape) * 2  / 1e9)\n",
     "\n",
     "    if max(n_trains_list) == 0:\n",
     "        raise ValueError(f\"No images to process for run: {run_dict['number']}\")\n",
@@ -242,7 +241,7 @@
     "modules = [m for m in modules if m not in missing_modules]\n",
     "karabo_da = create_karabo_da_list(modules)\n",
     "\n",
-    "print(f\"Will process data in a total of {len(file_sizes)} files ({sum(file_sizes):.02f} GB).\")"
+    "print(f\"Will process data of ({sum(mod_image_size):.02f} GB).\")"
    ]
   },
   {
diff --git a/notebooks/AGIPD/Characterize_AGIPD_Gain_FlatFields_Summary.ipynb b/notebooks/AGIPD/Characterize_AGIPD_Gain_FlatFields_Summary.ipynb
index 1957ee682bb08c25f2134d9e23fad1a4593e5539..5eb1eb2b89eecac949eb539eebc9574a7395175f 100644
--- a/notebooks/AGIPD/Characterize_AGIPD_Gain_FlatFields_Summary.ipynb
+++ b/notebooks/AGIPD/Characterize_AGIPD_Gain_FlatFields_Summary.ipynb
@@ -124,7 +124,9 @@
     "# Get operation conditions\n",
     "ctrl_source = ctrl_source_template.format(karabo_id_control)\n",
     "\n",
-    "raw_dc = RunDirectory(f'{raw_folder}/r{run:04d}/', _use_voview=False)\n",
+    "run_folder = f'{raw_folder}/r{run:04d}/'\n",
+    "\n",
+    "raw_dc = RunDirectory(run_folder)\n",
     "\n",
     "# Read operating conditions from AGIPD00 files\n",
     "instrument_src_mod = [\n",
@@ -145,7 +147,7 @@
     "\n",
     "mem_cells = agipd_cond.get_num_cells()\n",
     "if mem_cells is None:\n",
-    "    raise ValueError(f\"No raw images found in {raw_dc[instrument_src_mod].files}\")\n",
+    "    raise ValueError(f\"No raw images found in {run_folder}\")\n",
     "if acq_rate == 0.:\n",
     "    acq_rate = agipd_cond.get_acq_rate()\n",
     "if gain_setting == -1:\n",
diff --git a/notebooks/REMI/REMI_Digitize_and_Transform.ipynb b/notebooks/REMI/REMI_Digitize_and_Transform.ipynb
index 3425123cf597849a43ef134894b3fa5d6cfb45cf..527af9375ba5c21f54a34f65f7007f551e42aa0d 100644
--- a/notebooks/REMI/REMI_Digitize_and_Transform.ipynb
+++ b/notebooks/REMI/REMI_Digitize_and_Transform.ipynb
@@ -889,7 +889,6 @@
     "\n",
     "# Take first field for detector data as sample for naming\n",
     "out_path = (Path(out_folder) / Path(out_filename)).resolve()\n",
-    "seq_len = 5000\n",
     "\n",
     "t_write = timing('write_files')\n",
     "t_write.__enter__()\n",