diff --git a/examples/prompt-tuning-personachat.ipynb b/examples/prompt-tuning-personachat.ipynb
index d740a30..7231d5b 100644
--- a/examples/prompt-tuning-personachat.ipynb
+++ b/examples/prompt-tuning-personachat.ipynb
@@ -31,8 +31,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%env OMP_NUM_THREADS=24\n",
-    "\n",
     "import os\n",
     "import sys\n",
     "sys.path.insert(0, \"..\")\n",