Ask a junior developer what they added to a site last month and you will get a confident list. Ask what they removed and you will usually get a pause. That pause is a career gap. Hiring managers who run content-managed sites know that the expensive problems are rarely missing features; they are the plugin nobody owns, the template nobody understands and the page nobody visits. If you work in CMS and web development, the ability to take things out safely is one of the most underrated skills you can build, and this post lays out how to practise it.

No fluff here. We cover why subtraction matters for your work, what to remove first on a typical CMS-driven site, a safe process, and the way to put it across when you apply for roles.

Why deleting is a senior skill

Adding is easy to teach. You follow a tutorial, install something and see a result. Removing demands judgement, because you must understand what depends on what. A theme function might feed a widget; a shortcode might still be used on one old post; a redirect might protect a year of inbound links. The person who can delete confidently has a mental map of the whole system, and that map is exactly what employers pay for.

There is also a plain economic angle. Every extra component is something to update, secure, test and explain to the next person. Clients feel this as slower pages and larger maintenance bills, even if they never see the cause. Reducing the surface area is quiet work, but it shows up in results.

What to cut first on a typical site

Start where the risk is lowest and the payoff is clearest. A practical order looks like this.

• Inactive plugins and themes. They are not doing anything, yet they still need updates and can carry vulnerabilities. Take a backup, then remove them.
• Duplicated functionality. Two plugins that both handle forms or caching tend to argue with each other. Keep the one that is configured properly.
• Unused user accounts. Former contractors and trial logins are easy to forget, and each is a door left unlocked. Disable or delete anything with no clear owner.
• Thin and orphaned pages. Pages with no traffic, no links and no purpose can be merged or retired, with a redirect where an address is still referenced.
• Dead code in the theme. Old scripts, commented-out blocks and styles that match nothing add weight and confusion.

Notice that none of those require a redesign. You are reducing, not rebuilding, and every item can be tested in a staging copy before it touches the live site.

Cutting content, not only code

Developers often treat copy as someone else’s concern, but page clutter hurts the same way code clutter does. A service page stuffed with five calls to action converts worse than one with a single clear ask. The thinking in this piece on service pages that actually bring in enquiries shows what a focused page looks like. And when deciding which pages deserve to exist at all, the checklist of the pages a business site genuinely needs gives you a baseline to compare against: whatever sits outside that baseline should justify itself.

A safe process for removing things

Confidence comes from procedure. Follow these steps every time and you will build a reputation for tidy, uneventful clean-ups.

1. Inventory first. List plugins, themes, users, pages and custom code. You cannot judge what you cannot see.
2. Check usage, not assumptions. Search the content for shortcodes, look at analytics for page traffic, and review logs for last logins.
3. Work on staging. Remove one item, test the key journeys such as forms, checkout and search, then move on.
4. Back up before you touch production. A restorable copy turns a scary change into a routine one.
5. Redirect, do not orphan. If a removed page had links or rankings, point it to the closest relevant page.
6. Log it. Write what you removed, when and why. Future you, and your client, will be grateful.

The work is unglamorous, yet it is exactly the discipline that makes colleagues trust you with larger systems.

One more practical point: removal is easiest when the site has an owner. If nobody is responsible for a plugin, a page or a login, nobody will approve its deletion either, and it survives by default. Part of your job is to find the owner, or to become it, so that every component has a name next to it and a reason to remain.

Skills you build by practising subtraction

Regularly removing things trains several abilities at once. You learn to read unfamiliar code quickly, because you must understand a piece before deleting it. You learn dependency thinking, which is essential for upgrades and migrations. You learn to communicate risk in plain language, since stakeholders need reassurance that a cut is safe. And you learn to prioritise, because you cannot clean everything and must choose where the effort pays back.

These are the same abilities behind good project planning. Before any build, the strongest teams decide what stays out of scope. The walkthrough on deciding a site’s boundaries before any building starts is a useful companion, because scope decisions are subtraction decisions made early, when they are cheapest.

How to talk about it in interviews and on your CV

Most portfolios show what was built. Stand out by showing what was removed and what that achieved. A line such as “retired unused extensions and consolidated duplicated styles, which cut page weight and shortened the update routine” tells a hiring manager more than a long list of tools. Be ready with one story: the situation, the cut, the check you ran to make sure it was safe, and the result. Interviewers listen for care as much as speed, so describe your testing and your rollback plan.

If you want a public place for short write-ups of these clean-ups, BlogOrbix is a blogging network that pitches itself as somewhere free of distractions for writers. It offers Google sign-in and gives each blog an address of its own, so a technical diary stays orderly without extra setup.

A worked example from a typical clean-up

Take a brochure site that has been through three agencies. The inventory turns up two form plugins, a slider extension that no page uses, six staff accounts of which two belong to people who left, and a dozen blog posts with no visits in years. On staging you remove the unused slider first and check the home page. You then disable the older form plugin, confirm the contact form still sends, and delete it. You deactivate the stale accounts, wait a week for objections, then remove them. Finally you merge the thin posts into two stronger guides, with redirects. Nothing here needed new software, yet the site loads faster, has fewer things to patch, and the next developer can understand it in an afternoon.

Common mistakes to avoid

• Deleting on a hunch. Always verify usage before removing; a plugin that looks idle may power a single critical form.
• Skipping the backup. The one time you do will be the time it matters.
• Cutting without telling anyone. A quiet removal that breaks a colleague’s workflow damages trust faster than any bug.
• Treating clean-up as a one-off. Schedule a light review each quarter so clutter does not rebuild.
• Confusing minimal with fragile. A lean site still needs monitoring, updates and a tested backup.

Keep a short list of questions in your head whenever you meet an unfamiliar component: who uses it, what breaks if it vanishes, how would I know, and how do I undo the change? If you can answer all four, you are ready to act. If you cannot answer one, go and find out first.

A simple practice plan for the next month

Pick a site you maintain, or a personal project, and spend four short sessions on it. In week one, inventory everything. In week two, remove inactive plugins and unused accounts. In week three, review pages and content, merging or redirecting the thin ones. In week four, tidy theme code and write up what you learned. By the end you will have a concrete example for your portfolio and a repeatable routine.

The takeaway is straightforward. Career growth in web work is often framed as accumulating tools, frameworks and certificates. Those matter, but the people trusted with the most valuable systems are usually the ones who can look at a crowded, ageing site and say calmly what can go. Practise that deliberately, record your results, and you will have a skill that stays useful long after any particular framework has gone out of fashion.