diff --git a/scripts/setup-helper-functions.sh b/scripts/setup-helper-functions.sh
index 4b46317ef66c8..aeb29399ba308 100644
--- a/scripts/setup-helper-functions.sh
+++ b/scripts/setup-helper-functions.sh
@@ -43,14 +43,13 @@ function github_checkout {
   shift
   local GIT_CLONE_PARAMS=$@
   local DIRNAME=$(basename $REPO)
-  SUDO="${SUDO:-""}"
   cd "${DEPENDENCY_DIR}"
   if [ -z "${DIRNAME}" ]; then
     echo "Failed to get repo name from ${REPO}"
     exit 1
   fi
   if [ -d "${DIRNAME}" ] && prompt "${DIRNAME} already exists. Delete?"; then
-    ${SUDO} rm -rf "${DIRNAME}"
+    rm -rf "${DIRNAME}"
   fi
   if [ ! -d "${DIRNAME}" ]; then
     git clone -q -b $VERSION $GIT_CLONE_PARAMS "https://github.com/${REPO}.git"
@@ -153,13 +152,13 @@ function wget_and_untar {
 function cmake_install {
   local NAME=$(basename "$(pwd)")
   local BINARY_DIR=_build
-  SUDO="${SUDO:-""}"
   if [ -d "${BINARY_DIR}" ] && prompt "Do you want to rebuild ${NAME}?"; then
-    ${SUDO} rm -rf "${BINARY_DIR}"
+    rm -rf "${BINARY_DIR}"
   fi
   mkdir -p "${BINARY_DIR}"
   CPU_TARGET="${CPU_TARGET:-unknown}"
   COMPILER_FLAGS=$(get_cxx_flags $CPU_TARGET)
+  SUDO="${SUDO:-""}"
 
   # CMAKE_POSITION_INDEPENDENT_CODE is required so that Velox can be built into dynamic libraries \
   cmake -Wno-dev -B"${BINARY_DIR}" \
diff --git a/scripts/setup-ubuntu.sh b/scripts/setup-ubuntu.sh
index 1fdbfbed5375e..4c35e0c701824 100755
--- a/scripts/setup-ubuntu.sh
+++ b/scripts/setup-ubuntu.sh
@@ -29,15 +29,14 @@ BOOST_VERSION=boost-1.84.0
 NPROC=$(getconf _NPROCESSORS_ONLN)
 DEPENDENCY_DIR=${DEPENDENCY_DIR:-$(pwd)}
 export CMAKE_BUILD_TYPE=Release
-SUDO="${SUDO:-"sudo --preserve-env"}"
+export SUDO=sudo
 
 # Install all velox and folly dependencies.
 # The is an issue on 22.04 where a version conflict prevents glog install,
 # installing libunwind first fixes this.
-
-${SUDO} apt update
-${SUDO} apt install -y libunwind-dev
-${SUDO} apt install -y \
+apt update && apt install sudo
+sudo --preserve-env apt update && sudo --preserve-env apt install -y libunwind-dev && \
+  sudo --preserve-env apt install -y \
   g++ \
   cmake \
   ccache \
@@ -77,7 +76,7 @@ function install_fmt {
 function install_boost {
   github_checkout boostorg/boost "${BOOST_VERSION}" --recursive
   ./bootstrap.sh --prefix=/usr/local
-  ${SUDO} ./b2 "-j$(nproc)" -d0 install threading=multi
+  ./b2 "-j$(nproc)" -d0 install threading=multi
 }
 
 function install_folly {
@@ -106,19 +105,17 @@ function install_fbthrift {
 }
 
 function install_conda {
-  MINICONDA_PATH=/opt/miniconda-for-velox
-  if [ -e ${MINICONDA_PATH} ]; then
-    echo "File or directory already exists: ${MINICONDA_PATH}"
-    return
-  fi
+  mkdir -p conda && cd conda
   ARCH=$(uname -m)
+  
   if [ "$ARCH" != "x86_64" ] && [ "$ARCH" != "aarch64" ]; then
     echo "Unsupported architecture: $ARCH"
     exit 1
   fi
   
-  mkdir -p conda && cd conda
   wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-$ARCH.sh
+  
+  MINICONDA_PATH=/opt/miniconda-for-velox
   bash Miniconda3-latest-Linux-$ARCH.sh -b -p $MINICONDA_PATH
 }