Girlfriend asking me to delete photos of ex-partner

My girlfriend has asked me to delete photos/memories that I have of my ex-partner. Am I being unreasonable for refusing to do this?
It was randomly brought up in conversation, and I personally don't see a need to do this. She said I should consider this in the future even if not now as she feels uncomfortable. If the photos were on my social media then I'd understand, but she wants me to delete photos that only I have access to.
She is saying that if I don't delete them then I'm still hung up on my ex, which is very much not true at all. I'm over my past relationship and have moved on.

Id firstly say depends on the kind of photos, and secondly have you tried to have a conversation with her to explain why you’d like to keep them?

Just photos of us, and photos from being out and about together. Nothing unusual.
I've said that I don't see any reason to delete them as they are past memories.

I’d try explaining that they are memories in a little more detail to her, she may want to know why they still have meaning to you, or what you think of when you see those photos.
I get wanting to keep them for memories (I’m an incredibly sentimental person) but she might not see things the way you are seeing them

They don't have meaning as such. They are just there in my photo gallery. To delete them is deleting a huge chunk of past memories in general, which to me doesn't make sense.
I think she comes across as a little insecure. I've said that I don't look at the photos and that I'm not hung up on my ex. She said she feels disrespected that I won't delete them.

Without further context she sounds unreasonable.
I'm still on good terms with a few of my exes, and as much as we've moved on from the relationship I have no need to dramatically eradicate the memories we had, and I certainly wouldn't expect someone else to essentially censor their history for my benefit.
I might not care much about the actual pics, but in the face of something like this I'd likely dig in and be unwilling to indulge the behaviour, if you don't nip it now what's she going to insist or low key accuse you about next?

I guess thats the meaning though? The memory and the time?
To be honest a lot of girls would agree with her, for some people a big part of moving on is deleting photos from past relationships

I guess so. For others it's irrelevant and is an attempt to erase history (which cannot be undone or erased). The past is the past, personally I don't see the reason in dwelling on it.
I don't know how to explain that to her, because I think she will still not like me keeping them.

My girlfriend has asked me to delete photos/memories that I have of my ex-partner. Am I being unreasonable for refusing to do this?
It was randomly brought up in conversation, and I personally don't see a need to do this. She said I should consider this in the future even if not now as she feels uncomfortable. If the photos were on my social media then I'd understand, but she wants me to delete photos that only I have access to.
She is saying that if I don't delete them then I'm still hung up on my ex, which is very much not true at all. I'm over my past relationship and have moved on.

How does your gf know about pics to which only you have access? Has she deleted all her pics and never thinks about exes for a second?
Deleting them isn't going to change the fact that you have an ex and it won't stop you remembering your time together. As above, how far could it go; would it be stuff you bought with your ex, clothes that you wore, not going to the same places, no matter how great they are?
Your gf needed to have found someone who'd always been single if she didn't want a history. They are your photos, you can keep them.

Have you told her this last part?

Oh she has already tried to tell me I shouldn't hang out in places where my ex may be nearby.

Yes, she doesn't believe me.

Oh she has already tried to tell me I shouldn't hang out in places where my ex may be nearby.

Yes, she doesn't believe me.