Haskell binaries can get quite large (think ~100MB), especially for projects with many transitive dependencies. Here are two strategies that can help at link time, the latter being more experimental. I used the test-pandoc binary from pandoc on GHC 9.2.5 below. This was nice because obviously it was easy to test if linking broke anything (just run the tests). -split-sections and --gc-sections You can instruct ghc to emit code in individual minimal sections, allowing the linker to easily find and remove dead code. This looks like, in your cabal.project: