diff --git a/docs/how_tos/integrate_dice_solver.ipynb b/docs/how_tos/integrate_dice_solver.ipynb
index 3000214..a62c6bc 100644
--- a/docs/how_tos/integrate_dice_solver.ipynb
+++ b/docs/how_tos/integrate_dice_solver.ipynb
@@ -21,13 +21,11 @@
    "source": [
     "%%capture\n",
     "\n",
-    "import os\n",
     "\n",
     "import numpy as np\n",
     "import pyscf\n",
     "import pyscf.cc\n",
     "import pyscf.mcscf\n",
-    "\n",
     "from qiskit_addon_dice_solver import solve_fermion\n",
     "from qiskit_addon_sqd.configuration_recovery import recover_configurations\n",
     "from qiskit_addon_sqd.counts import counts_to_arrays, generate_counts_uniform\n",