diff --git a/compiler/test_gen/src/tests.rs b/compiler/test_gen/src/tests.rs
index d17c610bc4..eb730c7e96 100644
--- a/compiler/test_gen/src/tests.rs
+++ b/compiler/test_gen/src/tests.rs
@@ -20,16 +20,23 @@ mod helpers;
 pub mod wasm_str;
 
 use core::ffi::c_void;
+
+/// # Safety
+/// The Roc application needs this.
 #[no_mangle]
 pub unsafe fn roc_alloc(size: usize, _alignment: u32) -> *mut c_void {
     libc::malloc(size)
 }
 
+/// # Safety
+/// The Roc application needs this.
 #[no_mangle]
 pub unsafe fn roc_memcpy(dest: *mut c_void, src: *const c_void, bytes: usize) -> *mut c_void {
     libc::memcpy(dest, src, bytes)
 }
 
+/// # Safety
+/// The Roc application needs this.
 #[no_mangle]
 pub unsafe fn roc_realloc(
     c_ptr: *mut c_void,
@@ -40,11 +47,15 @@ pub unsafe fn roc_realloc(
     libc::realloc(c_ptr, new_size)
 }
 
+/// # Safety
+/// The Roc application needs this.
 #[no_mangle]
 pub unsafe fn roc_dealloc(c_ptr: *mut c_void, _alignment: u32) {
     libc::free(c_ptr)
 }
 
+/// # Safety
+/// The Roc application needs this.
 #[no_mangle]
 pub unsafe fn roc_panic(c_ptr: *mut c_void, tag_id: u32) {
     use roc_gen_llvm::llvm::build::PanicTagId;