diff --git a/tutorials/tools/Multispeaker_Simulator.ipynb b/tutorials/tools/Multispeaker_Simulator.ipynb
index cf2993254e76..8b0db6e75b49 100644
--- a/tutorials/tools/Multispeaker_Simulator.ipynb
+++ b/tutorials/tools/Multispeaker_Simulator.ipynb
@@ -59,7 +59,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -76,7 +76,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -90,18 +90,18 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "The LibriSpeech forced word alignments are from [this repository.](https://github.com/CorentinJ/librispeech-alignments). You can access to the whole LibriSpeech splits at this google drive link [link](https://drive.google.com/file/d/1WYfgr31T-PPwMcxuAq09XZfHQO5Mw8fE/view?usp=sharing). We will download the dev-clean part for demo purpose."
+    "The LibriSpeech forced word alignments are from [this repository](https://github.com/CorentinJ/librispeech-alignments). You can access to the whole LibriSpeech splits at this google drive [link](https://drive.google.com/file/d/1WYfgr31T-PPwMcxuAq09XZfHQO5Mw8fE/view?usp=sharing). We will download the dev-clean part for demo purpose."
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
-    "!wget https://dldata-public.s3.us-east-2.amazonaws.com/LibriSpeech_Alignments.tar.gz\n",
-    "!tar -xvzf LibriSpeech_Alignments.tar.gz\n",
-    "!rm LibriSpeech-Alignments.zip"
+    "!wget -nc https://dldata-public.s3.us-east-2.amazonaws.com/LibriSpeech_Alignments.tar.gz\n",
+    "!tar -xzf LibriSpeech_Alignments.tar.gz\n",
+    "!rm -f LibriSpeech_Alignments.tar.gz"
    ]
   },
   {
@@ -117,7 +117,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -144,8 +144,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "!wget https://www.openslr.org/resources/28/rirs_noises.zip\n",
-    "!unzip -o rirs_noises.zip"
+    "!wget -nc https://www.openslr.org/resources/28/rirs_noises.zip\n",
+    "!unzip -o rirs_noises.zip\n",
+    "!rm -f rirs_noises.zip"
    ]
   },
   {