diff --git a/files/build_templates/sonic_debian_extension.j2 b/files/build_templates/sonic_debian_extension.j2
index 0faaa5582ea6..62637446dda2 100644
--- a/files/build_templates/sonic_debian_extension.j2
+++ b/files/build_templates/sonic_debian_extension.j2
@@ -102,11 +102,6 @@ sudo dpkg --root=$FILESYSTEM_ROOT -i target/debs/python-click*_all.deb || \
 sudo dpkg --root=$FILESYSTEM_ROOT -i target/debs/python-sonic-utilities_*.deb || \
     sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install -f
 
-# Install customized bash version to patch memory-leak issue. This instruction shall be removed
-# once the migration to Debian-9 (Stretch) is completed.
-sudo dpkg --root=$FILESYSTEM_ROOT -i target/debs/bash_*.deb || \
-    sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install -f
-
 # SONiC utilities installs bash-completion as a dependency. However, it is disabled by default
 # in bash.bashrc, so we copy a version of the file with it enabled here.
 sudo cp -f $IMAGE_CONFIGS/bash/bash.bashrc $FILESYSTEM_ROOT/etc/