how to "slim down" deno_core crate

for reasons too complex to get into, i'm bundling deno_core with my project to parse some JS. I only need very basic JS funcionality: if, switch, objects, arrays, and functions. the only "standard library" function i need is parseIntparseInt, but it's not the end of the world if i have to implement it myself. is it possible to trim deno_core down to only include the very basic stuff? thanks!