diff --git a/crates/lune-std-ffi/README.md b/crates/lune-std-ffi/README.md
index a2ac172..8f0ace1 100644
--- a/crates/lune-std-ffi/README.md
+++ b/crates/lune-std-ffi/README.md
@@ -1,6 +1,6 @@
 # `lune-std-ffi`
 
-## Tests
+## Tests & Benchmarks
 
 See [tests/ffi](../../tests/ffi/README.md)
 
diff --git a/tests/ffi/benchmark/external_call/deno.ts b/tests/ffi/benchmark/external_call/deno.ts
index f1b7df0..46b56e0 100644
--- a/tests/ffi/benchmark/external_call/deno.ts
+++ b/tests/ffi/benchmark/external_call/deno.ts
@@ -2,6 +2,7 @@ import { libSuffix } from "../../utility/deno.ts";
 import { get_clock, get_offset } from "../../utility/proc_clock/deno.ts";
 
 const library_file = "./tests/ffi/benchmark/external_call/lib."+libSuffix;
+// @ts-ignore
 let library = Deno.dlopen(library_file, {
     add: {
         parameters: ["i32", "i32"],
diff --git a/tests/ffi/utility/deno.ts b/tests/ffi/utility/deno.ts
index ec6c9dd..41dc281 100644
--- a/tests/ffi/utility/deno.ts
+++ b/tests/ffi/utility/deno.ts
@@ -1,4 +1,5 @@
 export let libSuffix = "";
+// @ts-ignore
 switch (Deno.build.os) {
   case "windows":
     libSuffix = "dll";
diff --git a/tests/ffi/utility/proc_clock/deno.ts b/tests/ffi/utility/proc_clock/deno.ts
index 4fd9177..d5c8d14 100644
--- a/tests/ffi/utility/proc_clock/deno.ts
+++ b/tests/ffi/utility/proc_clock/deno.ts
@@ -1,6 +1,7 @@
 import { libSuffix } from "../deno.ts";
 
 const library_file = "./tests/ffi/utility/proc_clock/lib."+libSuffix;
+// @ts-ignore
 let library = Deno.dlopen(library_file, {
     sizeof_clock: {
         parameters: [],
@@ -10,6 +11,7 @@ let library = Deno.dlopen(library_file, {
 const sizeof_clock = library.symbols.sizeof_clock();
 const type_clock_t = "u" + (sizeof_clock * 8);
 library.close();
+// @ts-ignore
 library = Deno.dlopen(library_file, {
     get_clock: {
         parameters: [],