hyudaeponeseo piryo eobsneun sajineul jiwoyo.

I delete unnecessary photos from my phone.

Breakdown of hyudaeponeseo piryo eobsneun sajineul jiwoyo.

• ~을: object particle
• ~에서: location particle
• 없다: to not have
• 휴대폰: cell phone

Questions & Answers about hyudaeponeseo piryo eobsneun sajineul jiwoyo.

What does 필요 없는 mean literally, and how is it built?

필요 없는 literally means without need or not needed.

It is built like this:

• 필요 = need / necessity
• 없다 = to not exist / to not have
• 없는 = the noun-modifying form of 없다

So:

• 필요 없는 사진 = photos that are not needed
• more naturally in English: unnecessary photos or photos you don't need

This is a very common Korean pattern:

• noun + 없는 + noun

For example:

• 쓸모없는 물건 = useless item
• 시간 없는 사람 = a person who doesn't have time

So in this sentence, 필요 없는 is describing 사진.

Why is 없는 used before 사진 instead of 없어요 or 없다?

Because 없는 is the form used when 없다 describes a noun directly.

Compare:

• 사진이 없어요. = There are no photos.
• 필요 없는 사진 = photos that are not needed

In Korean, when a verb or adjective modifies a noun, it changes form.
Here, 없다 becomes 없는 before the noun 사진.

This is similar to how English uses a relative clause:

• photos that are not needed

Korean compresses that idea into:

• 필요 없는 사진

Why does 휴대폰 take 에서 here?