diff --git a/vendor/github.com/prometheus/procfs/zoneinfo.go b/vendor/github.com/prometheus/procfs/zoneinfo.go
index 0b9bb67..e54d94b 100644
--- a/vendor/github.com/prometheus/procfs/zoneinfo.go
+++ b/vendor/github.com/prometheus/procfs/zoneinfo.go
@@ -11,6 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//go:build !windows
 // +build !windows
 
 package procfs
@@ -18,7 +19,7 @@
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"regexp"
 	"strings"
 
@@ -72,13 +73,13 @@
 // structs containing the relevant info.  More information available here:
 // https://www.kernel.org/doc/Documentation/sysctl/vm.txt
 func (fs FS) Zoneinfo() ([]Zoneinfo, error) {
-	data, err := ioutil.ReadFile(fs.proc.Path("zoneinfo"))
+	data, err := os.ReadFile(fs.proc.Path("zoneinfo"))
 	if err != nil {
-		return nil, fmt.Errorf("error reading zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
+		return nil, fmt.Errorf("%w: error reading zoneinfo %q: %w", ErrFileRead, fs.proc.Path("zoneinfo"), err)
 	}
 	zoneinfo, err := parseZoneinfo(data)
 	if err != nil {
-		return nil, fmt.Errorf("error parsing zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
+		return nil, fmt.Errorf("%w: error parsing zoneinfo %q: %w", ErrFileParse, fs.proc.Path("zoneinfo"), err)
 	}
 	return zoneinfo, nil
 }
@@ -99,7 +100,6 @@
 				continue
 			}
 			if strings.HasPrefix(strings.TrimSpace(line), "per-node stats") {
-				zoneinfoElement.Zone = ""
 				continue
 			}
 			parts := strings.Fields(strings.TrimSpace(line))