Say it like this
- We're deprecating this endpoint in the next release.
- The old library method is now deprecated.
- Please don't use the deprecated function in new code.
Use it at work
Announcing
- We're deprecating the v1 API. It'll be removed in June.
- This method is deprecated. Use the new one instead.
Code review
- Can you mark this function as deprecated?
- Please don't use deprecated packages in new code.
Planning
- Let's deprecate the old dashboard once the new one is stable.
- How long do we support deprecated endpoints?
Don't say this
Deprecation is a gradual process with warnings; deletion is immediate. Deprecation keeps things working during the transition.
Don't mix it up
| Term | What it is | Who writes or uses it | When |
|---|---|---|---|
| deprecate | Mark as old, plan to remove later | Developers | Before removing |
| remove | Delete it completely | Developers | After deprecation period |
| depreciate | Lose value over time | Finance | Assets, money |
Practice
Try it
4 quick exercises
1. Your company is moving to a new payment processor. How do you communicate the change to developers?
2. The Java team announced they will _______ the synchronized keyword in future releases.
3. Which sentence uses deprecate incorrectly?
4. Rewrite this message to a developer using deprecate: 'Please stop using this old function because we have a better one, but it will still work for now.'
Say it out loud
Phrase 1 of 3
"We're deprecating this endpoint in the next release."
We don't save your recording. The word check uses your browser's speech recognition.
More about deprecate
Real examples(3)
- in a standup
"We need to deprecate the legacy authentication system and move everyone to OAuth2 by Q3."
- in a code review
"This function is deprecated as of version 3.0; use the new calculateTotal() method instead."
- in a team meeting
"We will deprecate Internet Explorer support in our next major release to reduce testing overhead."
More mistakes(2)
Handle with care. Often confused with 'delete' or 'remove'. Deprecate means marking something as outdated while keeping it functional; deletion removes it entirely. Also not the same as 'disapprove of' in general English.
- ✕I deprecate your coding style.✓I disapprove of your coding style. / This coding pattern is deprecated.
In tech, deprecate refers only to code/features becoming outdated, not to disapproving of people or general opinions.
- ✕We should deprecate this bug fix.✓We should revert this bug fix. / We should remove this bug fix.
Bug fixes are not deprecated; they are either kept, reverted, or removed. Deprecation applies to features users depend on.
Other forms(4)
- deprecate verb (base form)
"We will deprecate the old API next month."
- deprecated verb (past tense)
"The function was deprecated in version 2.5."
- deprecated adjective
"This is a deprecated method; use the new one instead."
- deprecation noun
"The deprecation timeline gives users six months to migrate."
Often used with(5)
- mark as deprecated · To officially flag something as outdated; used in code and documentation.
- deprecation warning · A message shown to developers alerting them that they are using outdated code.
- deprecation timeline / deprecation schedule · The planned dates for when deprecated features will stop working.
- deprecate in favor of · To phase out one solution while promoting a newer alternative.
- fully deprecated · When a feature is widely known to be outdated and rarely used anymore.
Similar words(3)
- phase out · Broader term; means gradually eliminating something. Deprecation is a formal, phased approach with warnings.
- retire · Similar meaning; often used for entire systems or services. Deprecation is more specific to code elements.
- discontinue · Means to stop producing or supporting something. Deprecation keeps the feature working during transition.
Opposites(3)
- release
- introduce
- launch
Questions(8)
- What does deprecated mean in programming?
- A deprecated function, API or setting still runs, but the maintainers warn that it will be removed in a future version. You usually see a warning like "X is deprecated, use Y instead."
- What is the difference between deprecated and removed?
- Deprecated means still there but on the way out. Removed means gone: code that uses it will break.
- Is it deprecate or depreciate?
- Deprecate is for software: mark as old. Depreciate is for money and assets: lose value over time. Mixing them up is a very common mistake.
- What is the difference between deprecate and delete?
- Deprecate means marking code as outdated while keeping it functional. Delete means removing it completely. Deprecation is a gradual process that gives users time to migrate; deletion is immediate and breaks existing code.
- How long does deprecation usually last?
- The deprecation period varies by company and project, typically ranging from a few months to several years. A common approach is to give users at least one or two major version releases to adapt before removing deprecated code.
- Is deprecate a formal or informal term?
- Deprecate is a formal technical term used in professional software engineering documentation, code comments, and team communications. It is standard in tech but would not be used in casual conversation outside of tech contexts.
- Can a feature be deprecated multiple times?
- Yes. A company might deprecate an old feature in v2.0, then in v3.0 announce a longer deprecation period before final removal in v4.0, giving users more time to migrate.
- What happens to deprecated code during the deprecation period?
- Deprecated code continues to work normally. Developers see warnings in their IDE or at compile time, but the code does not break. This allows projects to gradually migrate to the new solution without immediate disruption.
