'Why does build folder in Android Development studio grow to 1 GB when resulting compile file is 50 MB?

The build folder grew to 1 GB when compile size is 50 MB using Android studio. Why is this happening? Is it normal?

android android-studio

Solution 1:^[1]

I think so, mine is like 3GB and the compile size of the build file is only 300 MB.

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Source: Stack Overflow

Solution	Source
Solution 1