diff --git a/dev/builddeps-veloxbe.sh b/dev/builddeps-veloxbe.sh
index 4192a37b6f25..0a07a568e769 100755
--- a/dev/builddeps-veloxbe.sh
+++ b/dev/builddeps-veloxbe.sh
@@ -173,8 +173,6 @@ if [ "$ENABLE_VCPKG" = "ON" ]; then
     # vcpkg will install static depends and init build environment
     BUILD_OPTIONS="--build_tests=$BUILD_TESTS --enable_s3=$ENABLE_S3 --enable_gcs=$ENABLE_GCS \
                    --enable_hdfs=$ENABLE_HDFS --enable_abfs=$ENABLE_ABFS"
-#    envs="$("$GLUTEN_DIR/dev/vcpkg/init.sh" ${BUILD_OPTIONS})"
-#    eval "$envs"
     source ./dev/vcpkg/env.sh ${BUILD_OPTIONS}
 fi
 
diff --git a/dev/vcpkg/env.sh b/dev/vcpkg/env.sh
index e1b9a612bddd..91aaa6a7d267 100755
--- a/dev/vcpkg/env.sh
+++ b/dev/vcpkg/env.sh
@@ -1,8 +1,6 @@
 #! /bin/bash
 set -e
 
-exec 3>&1 >&2
-
 if [ -z "${BASH_SOURCE[0]}" ] || [ "$0" == "${BASH_SOURCE[0]}" ]; then
     echo "env.sh should only be sourced in bash" >&2
     exit 1
@@ -10,9 +8,7 @@ fi
 
 SCRIPT_ROOT="$(realpath "$(dirname "${BASH_SOURCE[0]}")")"
 init_vcpkg_env=$("${SCRIPT_ROOT}/init.sh" $@)
-#init_vcpkg_env="${SCRIPT_ROOT}/init.sh $@"
 eval "$init_vcpkg_env"
-#source ${SCRIPT_ROOT}/init.sh $@
 
 export VCPKG_ROOT="$SCRIPT_ROOT/.vcpkg"
 export VCPKG="$SCRIPT_ROOT/.vcpkg/vcpkg"
@@ -20,7 +16,6 @@ export VCPKG_TRIPLET=x64-linux-avx
 export VCPKG_TRIPLET_INSTALL_DIR=${SCRIPT_ROOT}/vcpkg_installed/${VCPKG_TRIPLET}
 export EXPORT_TOOLS_PATH="${VCPKG_TRIPLET_INSTALL_DIR}/tools/protobuf"
 
-#cat <<EOF >&3
 if [ "\${GLUTEN_VCPKG_ENABLED:-}" != "${VCPKG_ROOT}" ]; then
     export VCPKG_ROOT=${VCPKG_ROOT}
     export VCPKG_MANIFEST_DIR=${SCRIPT_ROOT}
@@ -34,4 +29,3 @@ if [ "\${GLUTEN_VCPKG_ENABLED:-}" != "${VCPKG_ROOT}" ]; then
 else
     echo "Gluten's vcpkg environment is enabled" >&2
 fi
-#EOF
diff --git a/dev/vcpkg/init.sh b/dev/vcpkg/init.sh
index d9ee47266015..9beaa19526fe 100755
--- a/dev/vcpkg/init.sh
+++ b/dev/vcpkg/init.sh
@@ -71,14 +71,12 @@ if [ "$ENABLE_ABFS" = "ON" ]; then
   EXTRA_FEATURES+="--x-feature=velox-abfs"
 fi
 
-echo "%%%%%% execute vcpkg install"
 
 $VCPKG install --no-print-usage \
     --triplet="${VCPKG_TRIPLET}" --host-triplet="${VCPKG_TRIPLET}" ${EXTRA_FEATURES}
-echo "%%%%%% after vcpkg install"
+
 export VCPKG_TRIPLET_INSTALL_DIR=${SCRIPT_ROOT}/vcpkg_installed/${VCPKG_TRIPLET}
-EXPORT_TOOLS_PATH=
-EXPORT_TOOLS_PATH="${VCPKG_TRIPLET_INSTALL_DIR}/tools/protobuf:${EXPORT_TOOLS_PATH}"
+EXPORT_TOOLS_PATH="${VCPKG_TRIPLET_INSTALL_DIR}/tools/protobuf"
 
 # This scripts depends on environment $CMAKE_TOOLCHAIN_FILE, which requires
 # cmake >= 3.21. If system cmake < 3.25, vcpkg will download latest cmake. We
@@ -99,5 +97,6 @@ cp $VCPKG_TRIPLET_INSTALL_DIR/lib/libssl.a $VCPKG_TRIPLET_INSTALL_DIR/debug/lib
 cp $VCPKG_TRIPLET_INSTALL_DIR/lib/libcrypto.a $VCPKG_TRIPLET_INSTALL_DIR/debug/lib
 cp $VCPKG_TRIPLET_INSTALL_DIR/lib/liblzma.a $VCPKG_TRIPLET_INSTALL_DIR/debug/lib
 cp $VCPKG_TRIPLET_INSTALL_DIR/lib/libdwarf.a $VCPKG_TRIPLET_INSTALL_DIR/debug/lib
+# Allow libhdfs3.a is not installed as build option may not enable hdfs.
 cp $VCPKG_TRIPLET_INSTALL_DIR/lib/libhdfs3.a $VCPKG_TRIPLET_INSTALL_DIR/debug/lib || true
 
diff --git a/dev/vcpkg/toolchain.cmake b/dev/vcpkg/toolchain.cmake
index bc8bd8d2178b..21ff9090fb9e 100644
--- a/dev/vcpkg/toolchain.cmake
+++ b/dev/vcpkg/toolchain.cmake
@@ -1,5 +1,14 @@
+# This file will be used by cmake before cmake function `project(xxx)`
+# is executed, even though it's an external cmake project.
+
 set(ENABLE_GLUTEN_VCPKG ON)
+
+# If this arg is set, `vcpkg install` will be executed according
+# to the manifest file exists in this given path, i.e., vcpkg.json,
+# which will not respect our setting for extra features through
+# `--x-feature`.
 #set(VCPKG_MANIFEST_DIR $ENV{VCPKG_MANIFEST_DIR})
+
 set(VCPKG_TARGET_TRIPLET $ENV{VCPKG_TRIPLET})
 set(VCPKG_HOST_TRIPLET $ENV{VCPKG_TRIPLET})
 set(VCPKG_INSTALLED_DIR $ENV{VCPKG_MANIFEST_DIR}/vcpkg_installed)
@@ -15,4 +24,3 @@ set(CMAKE_SHARED_LINKER_FLAGS "-static-libstdc++ -static-libgcc")
 
 # Disable boost new version warning for FindBoost module
 set(Boost_NO_WARN_NEW_VERSIONS ON)
-