{"id":"freeing-space.what-does-clear-system-and-log-clutter-remove","url":"/faq/freeing-space/what-does-clear-system-and-log-clutter-remove","category":{"id":"freeing-space","title":"Freeing up space"},"subcategory":{"id":"one-tap-cleanup","title":"One-tap clean-up (Run Tuhi)"},"question":"What does the \"Clear system & log clutter\" step delete?","alt_questions":["Is it safe to delete crash reports on a Mac?","Tuhi clear system and log clutter","Does Storage Studio delete the Quick Look thumbnail cache?","What are diagnostic reports and can they go?","System clutter cleanup Mac"],"short_answer":"It removes diagnostic and crash reports and the Quick Look thumbnail cache. Your documents aren't affected and previews regenerate when needed — send any crash report you need before cleaning.","answer_markdown":"It clears diagnostic and crash reports and the Quick Look thumbnail cache. These are records and previews your Mac and your apps create automatically; removing them doesn't affect your documents, and the thumbnails are simply regenerated the next time you preview a file.\n\nLike the other clear-up steps, it's only added to a Run Tuhi plan when there's enough there to be worth doing.\n\nIf you're sending a crash report to an app's developer, do that before running a clean-up, because the report may be removed. See [why the step count changes](/faq/freeing-space/why-does-the-number-of-tuhi-steps-change).","answer_html":"

It clears diagnostic and crash reports and the Quick Look thumbnail cache. These are records and previews your Mac and your apps create automatically; removing them doesn't affect your documents, and the thumbnails are simply regenerated the next time you preview a file.

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Like the other clear-up steps, it's only added to a Run Tuhi plan when there's enough there to be worth doing.

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If you're sending a crash report to an app's developer, do that before running a clean-up, because the report may be removed. See why the step count changes.

","answer_text":"It clears diagnostic and crash reports and the Quick Look thumbnail cache. These are records and previews your Mac and your apps create automatically; removing them doesn't affect your documents, and the thumbnails are simply regenerated the next time you preview a file.\n\nLike the other clear-up steps, it's only added to a Run Tuhi plan when there's enough there to be worth doing.\n\nIf you're sending a crash report to an app's developer, do that before running a clean-up, because the report may be removed. See why the step count changes.","tags":["logs","crash reports","run tuhi","quick look"],"related":[{"id":"freeing-space.what-does-clear-developer-and-package-caches-remove","question":"What does the \"Clear developer & package caches\" step remove?","url":"/faq/freeing-space/what-does-clear-developer-and-package-caches-remove"},{"id":"freeing-space.why-does-the-number-of-tuhi-steps-change","question":"Why does the number of steps in a Run Tuhi clean-up change from run to run?","url":"/faq/freeing-space/why-does-the-number-of-tuhi-steps-change"}],"applies_to":"all","last_reviewed":"2026-10-01","title":"What does the \"Clear system & log clutter\" step delete? — Storage Studio FAQ","description":"It removes diagnostic and crash reports and the Quick Look thumbnail cache. Your documents aren't affected and previews regenerate when needed — send any crash report you need before cleaning.","crumbs":[{"name":"Home","path":"/"},{"name":"FAQ","path":"/faq/"},{"name":"Freeing up space","path":"/faq/freeing-space/"},{"name":"What does the \"Clear system & log clutter\" step delete?","path":"/faq/freeing-space/what-does-clear-system-and-log-clutter-remove"}],"jsonld":{"@context":"https://schema.org","@type":"FAQPage","url":"https://storagestudio.us/faq/freeing-space/what-does-clear-system-and-log-clutter-remove","inLanguage":"en","dateModified":"2026-10-01","mainEntity":[{"@type":"Question","name":"What does the \"Clear system & log clutter\" step delete?","alternateName":["Is it safe to delete crash reports on a Mac?","Tuhi clear system and log clutter","Does Storage Studio delete the Quick Look thumbnail cache?","What are diagnostic reports and can they go?","System clutter cleanup Mac"],"acceptedAnswer":{"@type":"Answer","text":"It clears diagnostic and crash reports and the Quick Look thumbnail cache. These are records and previews your Mac and your apps create automatically; removing them doesn't affect your documents, and the thumbnails are simply regenerated the next time you preview a file.\n\nLike the other clear-up steps, it's only added to a Run Tuhi plan when there's enough there to be worth doing.\n\nIf you're sending a crash report to an app's developer, do that before running a clean-up, because the report may be removed. See why the step count changes.","url":"https://storagestudio.us/faq/freeing-space/what-does-clear-system-and-log-clutter-remove"}}]},"fragment":"
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Freeing up space · One-tap clean-up (Run Tuhi)

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What does the "Clear system & log clutter" step delete?

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Short answer: It removes diagnostic and crash reports and the Quick Look thumbnail cache. Your documents aren't affected and previews regenerate when needed — send any crash report you need before cleaning.

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It clears diagnostic and crash reports and the Quick Look thumbnail cache. These are records and previews your Mac and your apps create automatically; removing them doesn't affect your documents, and the thumbnails are simply regenerated the next time you preview a file.

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Like the other clear-up steps, it's only added to a Run Tuhi plan when there's enough there to be worth doing.

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If you're sending a crash report to an app's developer, do that before running a clean-up, because the report may be removed. See why the step count changes.

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Last reviewed

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Related questions

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