diff --git a/scripts/setup-ubuntu.sh b/scripts/setup-ubuntu.sh
index e89d12fa1ea5e7..1d599d91cd4f1b 100755
--- a/scripts/setup-ubuntu.sh
+++ b/scripts/setup-ubuntu.sh
@@ -328,9 +328,6 @@ $SUDO chmod a+r /etc/apt/trusted.gpg.d/apt.llvm.org.asc
 	echo "deb [arch=amd64] http://apt.llvm.org/noble/ llvm-toolchain-noble-17 main"
 } | $SUDO tee /etc/apt/sources.list.d/apt-llvm-org.list > /dev/null
 
-# Add deadsnakes PPA to enable installing python 3.11:
-$SUDO add-apt-repository -y 'ppa:deadsnakes/ppa'
-
 $SUDO apt-get -yq update
 
 $SUDO env DEBIAN_FRONTEND=noninteractive \