diff --git a/library_generation/test/generate_library_integration_test.sh b/library_generation/test/generate_library_integration_test.sh
index 96429c6e43..a3a498bec2 100755
--- a/library_generation/test/generate_library_integration_test.sh
+++ b/library_generation/test/generate_library_integration_test.sh
@@ -16,9 +16,9 @@ set -xeo pipefail
 googleapis_gen_url="git@github.com:googleapis/googleapis-gen.git"
 script_dir=$(dirname "$(readlink -f "$0")")
 proto_path_list="${script_dir}/resources/proto_path_list.txt"
-source "${script_dir}/../utilities.sh"
 library_generation_dir="${script_dir}"/..
-output_folder="$(get_output_folder)"
+source "${script_dir}/test_utilities.sh"
+output_folder="$(pwd)/output"
 
 while [[ $# -gt 0 ]]; do
 key="$1"
@@ -39,8 +39,6 @@ esac
 shift # past argument or value
 done
 
-script_dir=$(dirname "$(readlink -f "$0")")
-source "${script_dir}/../utilities.sh"
 library_generation_dir="${script_dir}"/..
 mkdir -p "${output_folder}"
 pushd "${output_folder}"
diff --git a/library_generation/test/generate_library_unit_tests.sh b/library_generation/test/generate_library_unit_tests.sh
index 4af6da36ec..179002b785 100755
--- a/library_generation/test/generate_library_unit_tests.sh
+++ b/library_generation/test/generate_library_unit_tests.sh
@@ -290,18 +290,6 @@ get_version_from_valid_WORKSPACE_test() {
   assertEquals '2.25.1-SNAPSHOT' "${obtained_ggj_version}"
 }
 
-get_generator_version_from_valid_versions_txt_test() {
-  versions_file="${script_dir}/resources/misc/testversions.txt"
-  obtained_ggj_version=$(get_version_from_versions_txt "${versions_file}" "gapic-generator-java")
-  assertEquals '2.25.1-SNAPSHOT' "${obtained_ggj_version}"
-}
-
-get_gax_version_from_valid_versions_txt_test() {
-  versions_file="${script_dir}/resources/misc/testversions.txt"
-  obtained_gax_version=$(get_version_from_versions_txt "${versions_file}" "gax")
-  assertEquals '2.33.1-SNAPSHOT' "${obtained_gax_version}"
-}
-
 # Execute tests.
 # One line per test.
 test_list=(
@@ -340,8 +328,6 @@ test_list=(
   get_include_samples_from_BUILD_false_test
   get_include_samples_from_BUILD_empty_test
   get_version_from_valid_WORKSPACE_test
-  get_generator_version_from_valid_versions_txt_test
-  get_gax_version_from_valid_versions_txt_test
 )
 
 pushd "${script_dir}"
diff --git a/library_generation/test/test_utilities.sh b/library_generation/test/test_utilities.sh
index 1f3f022a1b..761df77cb3 100755
--- a/library_generation/test/test_utilities.sh
+++ b/library_generation/test/test_utilities.sh
@@ -10,7 +10,7 @@ succeed_num=0
 failed_num=0
 failed_tests=""
 
-# Helper functions, they shouldn't be called outside this file.
+############# Helper functions, they shouldn't be called outside this file #############
 __test_executed() {
   total_num=$((1 + total_num))
 }
@@ -25,6 +25,53 @@ __test_failed() {
   failed_tests="${failed_tests} ${failed_test}"
 }
 
+# Used to obtain configuration values from a bazel BUILD file
+#
+# inspects a $build_file for a certain $rule (e.g. java_gapic_library). If the
+# first 15 lines after the declaration of the rule contain $pattern, then
+# it will return $if_match if $pattern is found, otherwise $default
+__get_config_from_BUILD() {
+  build_file=$1
+  rule=$2
+  pattern=$3
+  default=$4
+  if_match=$5
+
+  result="${default}"
+  if grep -A 20 "${rule}" "${build_file}" | grep -q "${pattern}"; then
+    result="${if_match}"
+  fi
+  echo "${result}"
+}
+
+__get_iam_policy_from_BUILD() {
+  local build_file=$1
+  local contains_iam_policy
+  contains_iam_policy=$(__get_config_from_BUILD \
+    "${build_file}" \
+    "proto_library_with_info(" \
+    "//google/iam/v1:iam_policy_proto" \
+    "false" \
+    "true"
+  )
+  echo "${contains_iam_policy}"
+}
+
+__get_locations_from_BUILD() {
+  local build_file=$1
+  local contains_locations
+  contains_locations=$(__get_config_from_BUILD \
+    "${build_file}" \
+    "proto_library_with_info(" \
+    "//google/cloud/location:location_proto" \
+    "false" \
+    "true"
+  )
+  echo "${contains_locations}"
+}
+
+############# Functions used in test execution #############
+
 assertEquals() {
   local expected=$1
   local actual=$2
@@ -77,3 +124,102 @@ execute_tests() {
   echo "Failed test(s): ${failed_tests}."
   exit 1
 }
+
+############# Utility functions used in `generate_library_integration_tests.sh` #############
+
+# Apart from proto files in proto_path, additional protos are needed in order
+# to generate GAPIC client libraries.
+# In most cases, these protos should be within google/ directory, which is
+# pulled from googleapis as a prerequisite.
+# Get additional protos in BUILD.bazel.
+get_gapic_additional_protos_from_BUILD() {
+  local build_file=$1
+  local gapic_additional_protos="google/cloud/common_resources.proto"
+  if [[ $(__get_iam_policy_from_BUILD "${build_file}") == "true" ]]; then
+    gapic_additional_protos="${gapic_additional_protos} google/iam/v1/iam_policy.proto"
+  fi
+  if [[ $(__get_locations_from_BUILD "${build_file}") == "true" ]]; then
+    gapic_additional_protos="${gapic_additional_protos} google/cloud/location/locations.proto"
+  fi
+  echo "${gapic_additional_protos}"
+}
+
+get_transport_from_BUILD() {
+  local build_file=$1
+  local transport
+  transport=$(__get_config_from_BUILD \
+    "${build_file}" \
+    "java_gapic_library(" \
+    "grpc+rest" \
+    "grpc" \
+    "grpc+rest"
+  )
+  # search again because the transport maybe `rest`.
+  transport=$(__get_config_from_BUILD \
+    "${build_file}" \
+    "java_gapic_library(" \
+    "transport = \"rest\"" \
+    "${transport}" \
+    "rest"
+  )
+  echo "${transport}"
+}
+
+get_rest_numeric_enums_from_BUILD() {
+  local build_file=$1
+  local rest_numeric_enums
+  rest_numeric_enums=$(__get_config_from_BUILD \
+    "${build_file}" \
+    "java_gapic_library(" \
+    "rest_numeric_enums = True" \
+    "false" \
+    "true"
+  )
+  echo "${rest_numeric_enums}"
+}
+
+get_include_samples_from_BUILD() {
+  local build_file=$1
+  local include_samples
+  include_samples=$(__get_config_from_BUILD \
+    "${build_file}" \
+    "java_gapic_assembly_gradle_pkg(" \
+    "include_samples = True" \
+    "false" \
+    "true"
+  )
+  echo "${include_samples}"
+}
+
+# Obtains a version from a bazel WORKSPACE file
+#
+# versions look like "_ggj_version="1.2.3"
+# It will return 1.2.3 for such example
+get_version_from_WORKSPACE() {
+  version_key_word=$1
+  workspace=$2
+  version=$(\
+    grep "${version_key_word}" "${workspace}" |\
+    head -n 1 |\
+    sed 's/\(.*\) = "\(.*\)"\(.*\)/\2/' |\
+    sed 's/[a-zA-Z-]*//'
+  )
+  echo "${version}"
+}
+
+# Convenience function to clone only the necessary folders from a git repository
+sparse_clone() {
+  repo_url=$1
+  paths=$2
+  commitish=$3
+  clone_dir=$(basename "${repo_url%.*}")
+  rm -rf "${clone_dir}"
+  git clone -n --depth=1 --no-single-branch --filter=tree:0 "${repo_url}"
+  pushd "${clone_dir}"
+  if [ -n "${commitish}" ]; then
+    git checkout "${commitish}"
+  fi
+  git sparse-checkout set --no-cone ${paths}
+  git checkout
+  popd
+}
diff --git a/library_generation/utilities.sh b/library_generation/utilities.sh
index 2c90cb1554..88d3a13657 100755
--- a/library_generation/utilities.sh
+++ b/library_generation/utilities.sh
@@ -2,55 +2,7 @@
 
 set -xeo pipefail
 
-
-# private functions that should not be called outside this file.
-
-# Used to obtain configuration values from a bazel BUILD file
-#
-# inspects a $build_file for a certain $rule (e.g. java_gapic_library). If the
-# first 15 lines after the declaration of the rule contain $pattern, then
-# it will return $if_match if $pattern is found, otherwise $default
-__get_config_from_BUILD() {
-  build_file=$1
-  rule=$2
-  pattern=$3
-  default=$4
-  if_match=$5
-
-  result="${default}"
-  if grep -A 20 "${rule}" "${build_file}" | grep -q "${pattern}"; then
-    result="${if_match}"
-  fi
-  echo "${result}"
-}
-
-__get_iam_policy_from_BUILD() {
-  local build_file=$1
-  local contains_iam_policy
-  contains_iam_policy=$(__get_config_from_BUILD \
-    "${build_file}" \
-    "proto_library_with_info(" \
-    "//google/iam/v1:iam_policy_proto" \
-    "false" \
-    "true"
-  )
-  echo "${contains_iam_policy}"
-}
-
-__get_locations_from_BUILD() {
-  local build_file=$1
-  local contains_locations
-  contains_locations=$(__get_config_from_BUILD \
-    "${build_file}" \
-    "proto_library_with_info(" \
-    "//google/cloud/location:location_proto" \
-    "false" \
-    "true"
-  )
-  echo "${contains_locations}"
-}
-
-# define utility functions
+# Utility functions used in `generate_library.sh` and showcase generation.
 extract_folder_name() {
   local destination_path=$1
   local folder_name=${destination_path##*/}
@@ -236,111 +188,6 @@ download_fail() {
   exit 1
 }
 
-# Obtains a version from a bazel WORKSPACE file
-#
-# versions look like "_ggj_version="1.2.3"
-# It will return 1.2.3 for such example
-get_version_from_WORKSPACE() {
-  version_key_word=$1
-  workspace=$2
-  version=$(\
-    grep "${version_key_word}" "${workspace}" |\
-    head -n 1 |\
-    sed 's/\(.*\) = "\(.*\)"\(.*\)/\2/' |\
-    sed 's/[a-zA-Z-]*//'
-  )
-  echo "${version}"
-}
-
-# Apart from proto files in proto_path, additional protos are needed in order
-# to generate GAPIC client libraries.
-# In most cases, these protos should be within google/ directory, which is
-# pulled from googleapis as a prerequisite.
-# Get additional protos in BUILD.bazel.
-get_gapic_additional_protos_from_BUILD() {
-  local build_file=$1
-  local gapic_additional_protos="google/cloud/common_resources.proto"
-  if [[ $(__get_iam_policy_from_BUILD "${build_file}") == "true" ]]; then
-    gapic_additional_protos="${gapic_additional_protos} google/iam/v1/iam_policy.proto"
-  fi
-  if [[ $(__get_locations_from_BUILD "${build_file}") == "true" ]]; then
-    gapic_additional_protos="${gapic_additional_protos} google/cloud/location/locations.proto"
-  fi
-  echo "${gapic_additional_protos}"
-}
-
-get_transport_from_BUILD() {
-  local build_file=$1
-  local transport
-  transport=$(__get_config_from_BUILD \
-    "${build_file}" \
-    "java_gapic_library(" \
-    "grpc+rest" \
-    "grpc" \
-    "grpc+rest"
-  )
-  # search again because the transport maybe `rest`.
-  transport=$(__get_config_from_BUILD \
-    "${build_file}" \
-    "java_gapic_library(" \
-    "transport = \"rest\"" \
-    "${transport}" \
-    "rest"
-  )
-  echo "${transport}"
-}
-
-get_rest_numeric_enums_from_BUILD() {
-  local build_file=$1
-  local rest_numeric_enums
-  rest_numeric_enums=$(__get_config_from_BUILD \
-    "${build_file}" \
-    "java_gapic_library(" \
-    "rest_numeric_enums = True" \
-    "false" \
-    "true"
-  )
-  echo "${rest_numeric_enums}"
-}
-
-get_include_samples_from_BUILD() {
-  local build_file=$1
-  local include_samples
-  include_samples=$(__get_config_from_BUILD \
-    "${build_file}" \
-    "java_gapic_assembly_gradle_pkg(" \
-    "include_samples = True" \
-    "false" \
-    "true"
-  )
-  echo "${include_samples}"
-}
-
-# Convenience function to clone only the necessary folders from a git repository
-sparse_clone() {
-  repo_url=$1
-  paths=$2
-  commitish=$3
-  clone_dir=$(basename "${repo_url%.*}")
-  rm -rf "${clone_dir}"
-  git clone -n --depth=1 --no-single-branch --filter=tree:0 "${repo_url}"
-  pushd "${clone_dir}"
-  if [ -n "${commitish}" ]; then
-    git checkout "${commitish}"
-  fi
-  git sparse-checkout set --no-cone ${paths}
-  git checkout
-  popd
-}
-
-# takes a versions.txt file and returns its version
-get_version_from_versions_txt() {
-  versions=$1
-  key=$2
-  version=$(grep "$key:" "${versions}" | cut -d: -f3) # 3rd field is snapshot
-  echo "${version}"
-}
-
 # gets the output folder where all sources and dependencies will be located. It
 # relies on utilities_script_dir which points to the same location as
 # `generate_library.sh`
diff --git a/showcase/scripts/generate_showcase.sh b/showcase/scripts/generate_showcase.sh
index 1b25e3ae68..26ffdd7a45 100755
--- a/showcase/scripts/generate_showcase.sh
+++ b/showcase/scripts/generate_showcase.sh
@@ -7,12 +7,20 @@ set -ex
 
 readonly SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 lib_gen_scripts_dir="${SCRIPT_DIR}/../../library_generation/"
-source "${lib_gen_scripts_dir}/utilities.sh"
+source "${lib_gen_scripts_dir}/test/test_utilities.sh"
 readonly perform_cleanup=$1
 
 cd "${SCRIPT_DIR}"
 mkdir -p "${SCRIPT_DIR}/output"
 
+# takes a versions.txt file and returns its version
+get_version_from_versions_txt() {
+  versions=$1
+  key=$2
+  version=$(grep "$key:" "${versions}" | cut -d: -f3) # 3rd field is snapshot
+  echo "${version}"
+}
+
 # clone gapic-showcase
 if [ ! -d schema ]; then
   if [ -d gapic-showcase ]; then
@@ -37,7 +45,6 @@ if [ ! -d google ];then
   rm -rdf googleapis
 fi
 
-
 ggj_version=$(get_version_from_versions_txt ../../versions.txt "gapic-generator-java")
 gapic_additional_protos="google/iam/v1/iam_policy.proto google/cloud/location/locations.proto"
 rest_numeric_enums="false"