Developer Files

Build artifacts, caches, and dependency folders

Safe to Delete

AWS CLI Cache (~/.aws/cli/cache)

The AWS CLI cache stores temporary IAM SSO session tokens and API responses. Deleting it is safe.

10 MB – 100 MB Windows
Safe to Delete

SolidJS & SolidStart App Build Cache (.solid)

SolidJS and SolidStart frameworks cache compiled reactive components and server route manifests in .solid and dist. Clearing SolidJS build cache is safe.

300 MB – 3 GB Windows
Safe to Delete

Astro Framework Build Cache Folder (.astro)

The .astro folder stores auto-generated TypeScript content collection definitions and build caches for Astro projects. Deleting .astro is safe.

100 MB – 2 GB+ Windows
Safe to Delete

Rust Cargo Target Folder (target/)

The target/ folder contains compiled Rust binaries and incremental build artifacts. Deleting it via cargo clean is safe and restores gigabytes of space.

1 GB – 20 GB per project Windows
Safe to Delete

Docker Data & overlay2 Folder (var/lib/docker)

Docker overlay2 stores container images, layers, and stopped volumes. Deleting unused layers via docker system prune is safe and recovers tens of gigabytes.

10 GB – 80 GB+ Linux
Safe to Delete

ESLint Cache File (.eslintcache)

The .eslintcache file stores linting results for JavaScript/TypeScript files. Deleting it is safe and forces a fresh code lint pass.

50 MB – 500 MB+ Windows
Safe to Delete

Gradle Cache Folder (~/.gradle/caches)

.gradle/caches stores downloaded Java and Android build dependencies. Deleting it is safe and reclaims gigabytes of unneeded build artifacts.

2 GB – 15 GB+ Windows
Safe to Delete

Hugging Face Cache Folder (~/.cache/huggingface)

~/.cache/huggingface stores downloaded AI models, transformers, and datasets. Deleting old model caches is completely safe and reclaims massive disk space.

5 GB – 100 GB+ Linux
Safe to Delete

Maven .m2 Repository Folder (~/.m2/repository)

The .m2/repository folder caches downloaded Java dependencies for Maven and Gradle. Deleting it is safe and reclaims gigabytes of unused jar files.

2 GB – 20 GB+ Windows
Safe to Delete

Next.js Build Cache Folder (.next/cache)

The .next/cache folder stores compiled pages, images, and SWC build artifacts for Next.js apps. Deleting it is safe and resolves stale page builds.

500 MB – 5 GB+ Windows
Safe to Delete

Python Pip Cache (~/.cache/pip)

The pip cache stores downloaded Python wheel and tar.gz package archives. Deleting it via pip cache purge is safe and reclaims lost storage space.

1 GB – 10 GB+ Windows
Safe to Delete

Python Virtual Environment Folders (.venv & venv)

.venv and venv folders hold isolated Python packages for a project. Deleting them is safe and they can be recreated anytime using requirements.txt.

200 MB – 5 GB per environment Windows
Use Caution

Redis dump.rdb Database Snapshot File

dump.rdb is a point-in-time point snapshot of your Redis database memory. Use caution before deleting as it contains persistent database keys.

500 MB – 20 GB+ Linux
Safe to Delete

Turborepo Cache Folder (.turbo)

The .turbo folder stores build task caches for Turborepo monorepos. Deleting .turbo is safe and forces a fresh clean monorepo build.

1 GB – 10 GB+ Windows
Safe to Delete

Unity Editor AssetCache Folder

AssetCache stores imported Unity Asset Store packages and shader artifacts. Deleting it is safe and recovers lost space on Unity game developer drives.

2 GB – 20 GB+ Windows
Safe to Delete

WSL2 Virtual Hard Disk (ext4.vhdx)

ext4.vhdx is the virtual disk for Windows Subsystem for Linux (WSL2). Shrinking or compacting it is safe and recovers tens of gigabytes of unassigned space.

10 GB – 100 GB+ Windows 10
Do Not Delete

Is It Safe to Delete ext4.vhdx (Docker)?

The ext4.vhdx file is a massive virtual hard drive used by Docker and WSL2 on Windows. Deleting it will permanently destroy all your containers and databases.

10 GB – 250 GB
Do Not Delete

.git

The hidden folder containing the entire version control history of a code repository. Deleting it destroys all past commits and branches.

10 MB – 5+ GB macOS
Use Caution

Is It Safe to Delete .idea and .vscode?

The .idea and .vscode folders store your personal IDE workspace settings. Deleting them is safe, but it will wipe your editor layouts and local configurations.

1 MB – 10 MB
Safe to Delete

Is It Safe to Delete npm-cache?

The npm-cache folder stores compressed copies of Node.js packages you download. It is completely safe to nuke if you need space or are facing weird build errors.

1 GB – 5 GB
Safe to Delete

Is It Safe to Delete __pycache__?

The __pycache__ folder contains compiled Python bytecode designed to make your scripts run faster. It is completely safe to delete.

1 MB
Safe to Delete

Is It Safe to Delete node_modules?

node_modules contains downloaded dependencies for JavaScript projects. It can always be regenerated with npm install.

100 MB – 2 GB per project Windows