diff --git a/build-scripts/hack/update-component-versions.py b/build-scripts/hack/update-component-versions.py
index f9be084908..3f62ce5cf5 100755
--- a/build-scripts/hack/update-component-versions.py
+++ b/build-scripts/hack/update-component-versions.py
@@ -13,7 +13,6 @@
 import argparse
 import logging
 import sys
-import yaml
 from pathlib import Path
 import util
 
@@ -45,6 +44,7 @@
 METALLB_REPO = "https://metallb.github.io/metallb"
 METALLB_CHART_VERSION = "0.14.5"
 
+
 def get_kubernetes_version() -> str:
     """Update Kubernetes version based on the specified marker file"""
     LOG.info("Checking latest Kubernetes version from %s", KUBERNETES_VERSION_MARKER)
@@ -67,10 +67,12 @@ def get_cni_version() -> str:
 
         raise Exception(f"Failed to find cni dependency in {deps_file}")
 
+
 def pull_contour_chart() -> None:
     LOG.info("Pulling Contour Helm chart from %s with version %s", CONTOUR_HELM_REPO, CONTOUR_CHART_VERSION)
     util.helm_pull("contour", CONTOUR_HELM_REPO, CONTOUR_CHART_VERSION, CHARTS)
 
+
 def get_containerd_version() -> str:
     """Update containerd version using latest tag of specified branch"""
     containerd_repo = util.read_file(COMPONENTS / "containerd/repository")
@@ -104,11 +106,6 @@ def pull_metallb_chart() -> None:
     util.helm_pull("metallb", METALLB_REPO, METALLB_CHART_VERSION, CHARTS)
 
 
-def pull_metrics_server_chart() -> None:
-    LOG.info("Pulling Metrics Server chart @ %s", METRICS_CHART_VERSION)
-    util.helm_pull("metrics-server", METRICS_REPO, METRICS_CHART_VERSION, CHARTS)
-
-
 def update_component_versions(dry_run: bool):
     for component, get_version in [
         ("kubernetes", get_kubernetes_version),
diff --git a/build-scripts/hack/util.py b/build-scripts/hack/util.py
index 0f8e3c57f9..05bc961eb6 100644
--- a/build-scripts/hack/util.py
+++ b/build-scripts/hack/util.py
@@ -3,7 +3,6 @@
 import tempfile
 import subprocess
 import logging
-import yaml
 from urllib.request import urlopen
 from pathlib import Path
 
@@ -50,6 +49,7 @@ def read_file(path: Path) -> str:
 def read_url(url: str) -> str:
     return urlopen(url).read().decode().strip()
 
+
 def helm_pull(chart, repo_url: str, version: str, destination: Path) -> None:
     parse_output(
         [
@@ -66,4 +66,3 @@ def helm_pull(chart, repo_url: str, version: str, destination: Path) -> None:
     )
 
     LOG.info("Pulled helm chart %s @ %s as %s to %s", chart, version, repo_url, destination)
-