diff --git a/cmd/csaf_checker/config.go b/cmd/csaf_checker/config.go
index 9dd38415..ca5c74ad 100644
--- a/cmd/csaf_checker/config.go
+++ b/cmd/csaf_checker/config.go
@@ -10,7 +10,6 @@ package main
 
 import (
 	"crypto/tls"
-	"errors"
 	"fmt"
 	"net/http"
 
@@ -38,7 +37,6 @@ type config struct {
 	Version                bool              `long:"version" description:"Display version of the binary" toml:"-"`
 	Verbose                bool              `long:"verbose" short:"v" description:"Verbose output" toml:"verbose"`
 	Rate                   *float64          `long:"rate" short:"r" description:"The average upper limit of https operations per second (defaults to unlimited)" toml:"rate"`
-	Years                  *uint             `long:"years" short:"y" description:"Number of years to look back from now" value-name:"YEARS" toml:"years"`
 	Range                  *models.TimeRange `long:"timerange" short:"t" description:"RANGE of time from which advisories to download" value-name:"RANGE" toml:"timerange"`
 	IgnorePattern          []string          `long:"ignorepattern" short:"i" description:"Do not download files if their URLs match any of the given PATTERNs" value-name:"PATTERN" toml:"ignorepattern"`
 	ExtraHeader            http.Header       `long:"header" short:"H" description:"One or more extra HTTP header fields" toml:"header"`
@@ -49,7 +47,6 @@ type config struct {
 	Config string `short:"c" long:"config" description:"Path to config TOML file" value-name:"TOML-FILE" toml:"-"`
 
 	clientCerts   []tls.Certificate
-	ageAccept     *models.TimeRange
 	ignorePattern filter.PatternMatcher
 }
 
@@ -121,11 +118,7 @@ func (cfg *config) prepare() error {
 	}
 
 	// Load client certs.
-	if err := cfg.prepareCertificates(); err != nil {
-		return err
-	}
-
-	return cfg.prepareTimeRangeFilter()
+	return cfg.prepareCertificates()
 }
 
 // compileIgnorePatterns compiles the configure patterns to be ignored.
@@ -148,20 +141,3 @@ func (cfg *config) prepareCertificates() error {
 	cfg.clientCerts = cert
 	return nil
 }
-
-// prepareTimeRangeFilter sets up the filter in which time range
-// advisory should be considered for checking.
-func (cfg *config) prepareTimeRangeFilter() error {
-	switch {
-	case cfg.Years != nil && cfg.Range != nil:
-		return errors.New(`"timerange" and "years" are both configured: only one allowed`)
-
-	case cfg.Years != nil:
-		years := models.NYears(*cfg.Years)
-		cfg.ageAccept = &years
-
-	case cfg.Range != nil:
-		cfg.ageAccept = cfg.Range
-	}
-	return nil
-}
diff --git a/cmd/csaf_checker/processor.go b/cmd/csaf_checker/processor.go
index e6fecd8c..1b1653b8 100644
--- a/cmd/csaf_checker/processor.go
+++ b/cmd/csaf_checker/processor.go
@@ -243,7 +243,7 @@ func (p *processor) run(domains []string) (*Report, error) {
 	report := Report{
 		Date:      ReportTime{Time: time.Now().UTC()},
 		Version:   util.SemVersion,
-		TimeRange: p.cfg.ageAccept,
+		TimeRange: p.cfg.Range,
 	}
 
 	for _, d := range domains {
@@ -546,7 +546,7 @@ func (p *processor) rolieFeedEntries(feed string) ([]csaf.AdvisoryFile, error) {
 	rfeed.Entries(func(entry *csaf.Entry) {
 
 		// Filter if we have date checking.
-		if accept := p.cfg.ageAccept; accept != nil {
+		if accept := p.cfg.Range; accept != nil {
 			if pub := time.Time(entry.Published); !pub.IsZero() && !accept.Contains(pub) {
 				return
 			}
@@ -667,7 +667,7 @@ func (p *processor) integrity(
 		if m := yearFromURL.FindStringSubmatch(u); m != nil {
 			year, _ := strconv.Atoi(m[1])
 			// Check if we are in checking time interval.
-			if accept := p.cfg.ageAccept; accept != nil && !accept.Contains(
+			if accept := p.cfg.Range; accept != nil && !accept.Contains(
 				time.Date(
 					year, 12, 31, // Assume last day of year.
 					23, 59, 59, 0, // 23:59:59
@@ -973,7 +973,7 @@ func (p *processor) checkChanges(base string, mask whereType) error {
 				return nil, nil, err
 			}
 			// Apply date range filtering.
-			if accept := p.cfg.ageAccept; accept != nil && !accept.Contains(t) {
+			if accept := p.cfg.Range; accept != nil && !accept.Contains(t) {
 				continue
 			}
 			path := r[pathColumn]
@@ -990,7 +990,7 @@ func (p *processor) checkChanges(base string, mask whereType) error {
 
 	if len(files) == 0 {
 		var filtered string
-		if p.cfg.ageAccept != nil {
+		if p.cfg.Range != nil {
 			filtered = " (maybe filtered out by time interval)"
 		}
 		p.badChanges.warn("no entries in changes.csv found" + filtered)
diff --git a/docs/csaf_checker.md b/docs/csaf_checker.md
index e01da019..6dc103ba 100644
--- a/docs/csaf_checker.md
+++ b/docs/csaf_checker.md
@@ -16,7 +16,6 @@ Application Options:
       --version                         Display version of the binary
   -v, --verbose                         Verbose output
   -r, --rate=                           The average upper limit of https operations per second (defaults to unlimited)
-  -y, --years=YEARS                     Number of years to look back from now
   -t, --timerange=RANGE                 RANGE of time from which advisories to download
   -i, --ignorepattern=PATTERN           Do not download files if their URLs match any of the given PATTERNs
   -H, --header=                         One or more extra HTTP header fields
@@ -51,7 +50,6 @@ insecure            = false
 # client_passphrase # not set by default
 verbose             = false
 # rate              # not set by default
-# years	            # not set by default
 # timerange         # not set by default
 # header            # not set by default
 # validator         # not set by default
@@ -71,9 +69,9 @@ type 2: error
 
 The checker result is a success if no checks resulted in type 2, and a failure otherwise.
 
-The options `years` and `timerange` allow to only check advisories from a given time interval.
+The option `timerange` allows to only check advisories from a given time interval.
 It is only allowed to specify one off them. 
-`years`  looks number of years back from now. `timerange` values allow finer controls:
+There are following variants:
 
 1. Relative. If the given string follows the rules of being a [Go duration](https://pkg.go.dev/time@go1.20.6#ParseDuration)
     the time interval from now minus that duration till now is used. 
diff --git a/internal/models/models.go b/internal/models/models.go
index caacd0f0..3b834feb 100644
--- a/internal/models/models.go
+++ b/internal/models/models.go
@@ -28,13 +28,6 @@ func NewTimeInterval(a, b time.Time) TimeRange {
 	return TimeRange{a, b}
 }
 
-// NYears returns a time interval spanning the last years.
-func NYears(years uint) TimeRange {
-	now := time.Now()
-	start := now.AddDate(-int(years), 0, 0)
-	return NewTimeInterval(start, now)
-}
-
 // guessDate tries to guess an RFC 3339 date time from a given string.
 func guessDate(s string) (time.Time, bool) {
 	for _, layout := range []string{