Retire or replace a scan when its results are not read, not acted on, or duplicate another tool, and when tuning has not helped. A scan that nobody acts on is worse than none, because it creates the appearance of testing and trains people to ignore alerts. Decide with evidence, not irritation.
Five signals
1. Nobody opens the results. Check who viewed reports or acted on tickets in the last quarter. Zero is a strong signal.
2. Almost all findings are dismissed. If nearly every finding ends as false positive or accepted risk, the rules do not fit your code. OWASP notes that static tools can produce high numbers of false positives and that it is hard to prove an identified issue is real, so this is a known failure mode, not an unusual one.
3. It duplicates another method. Two tools reporting the same flaws double the triage cost with no extra coverage.
4. It cannot see what changed. The app moved to a new framework or language the tool supports poorly.
5. It costs more than it protects. Slow runs, flaky results or heavy maintenance beat the value of what it finds.
Decision path
- Tune first. Remove rules that never fire usefully, exclude generated and vendored code, and narrow scope to the app you care about.
- Measure again after a month. Count findings fixed versus findings dismissed.
- Replace if tuning fails. Try an alternative approach to the same risk, such as a different class of tool.
- Retire if the risk is covered elsewhere. Make the decision explicit.
- Write down what you lose. Name the vulnerability types no longer covered and who accepted that.
Table of outcomes
| Situation | Action |
|---|---|
| Unread, but the risk matters | Assign an owner and a weekly slot |
| Mostly false positives | Tune rules, then reassess |
| Duplicate of another tool | Keep the one with better triage workflow |
| App changed, tool does not fit | Replace |
| Covered elsewhere and costly | Retire with a recorded decision |
Guard against silent gaps
Removing a scan can leave a hole nobody notices. Keep a one-page coverage map listing each risk (known library flaws, injection, misconfiguration, crashes on bad input) next to the method that covers it. Before retiring anything, check the map and either name a replacement or record the accepted gap. Auditors and buyers may also ask why a control stopped, so keep the record.
Do not retire because of one noisy week
A burst of findings after a new rule or a big dependency update is normal. Judge a method over a quarter, not a sprint.
Where Safeguard fits
Safeguard's reachability analysis is aimed at the noise problem for dependency findings, showing which known flaws your code can reach, and its policies and gates let you tighten or loosen blocking without removing the scan. It does not decide the fate of your static or dynamic tools. Try the free scan at https://gold.safeguard.sh/scan.
Try it yourself
Click through it at your own pace, or open it full screen. Look at what a monitored finding trail records, since that trail is what you review before retiring anything.
Quick check
Is a quiet scan a sign it can be retired?
Not by itself. A quiet scan on a stable codebase may be working. Retire on evidence of waste, not silence.
Who should approve retiring a scan?
The owner of the risk it covers, with security consulted. Record the decision and the accepted gap.
Sources
Last reviewed: 19 October 2026.
