How to build an exe file in C++ without unnecessary information?

Question

C++ / C#

Good day!
I am not a C++ programmer, but sometimes I want to program in this language, and for a year now I have been doing something like a database. Just for self study.
I often use a hex editor to look at the result of a particular method...
And then I accidentally opened a compiled exe file and began to look at it. Among other things, I found various interesting things for myself. For example, here:

Therefore, the question is: how can I remove all this unnecessary garbage from the exe file. Perhaps, to collect the most lightweight file ... Is it worth it?

Answer 1

I understand the binary was going in debug mode?

Answer 2

How can I remove all this unnecessary garbage from the exe file

man strip