diff --git a/crates/gen-guest-c/tests/codegen.rs b/crates/gen-guest-c/tests/codegen.rs
index bc7e851e9..757f7f763 100644
--- a/crates/gen-guest-c/tests/codegen.rs
+++ b/crates/gen-guest-c/tests/codegen.rs
@@ -2,26 +2,27 @@ use std::env;
 use std::path::{Path, PathBuf};
 use std::process::Command;
 
+#[rustfmt::skip]
 mod imports {
     test_helpers::codegen_c_import!(
         "*.wit"
 
-        // TODO: implement async support
-        "!async-functions.wit"
+        // If you want to exclude a specific test you can include it here with
+        // gitignore glob syntax:
+        //
+        // "!wasm.wit"
+        // "!host.wit"
+        //
+        //
+        // Similarly you can also just remove the `*.wit` glob and list tests
+        // individually if you're debugging.
     );
 }
 
+#[rustfmt::skip]
 mod exports {
     test_helpers::codegen_c_export!(
         "*.wit"
-
-        // TODO: implement async support
-        "!async-functions.wit"
-
-        // TODO: these use push/pull buffer in exports which isn't implemented
-        // yet
-        "!wasi-next.wit"
-        "!host.wit"
     );
 }
 
diff --git a/crates/gen-guest-rust/tests/codegen.rs b/crates/gen-guest-rust/tests/codegen.rs
index ff3a08f8c..ad697f450 100644
--- a/crates/gen-guest-rust/tests/codegen.rs
+++ b/crates/gen-guest-rust/tests/codegen.rs
@@ -20,13 +20,9 @@ mod imports {
     );
 }
 
+#[rustfmt::skip]
 mod exports {
     test_helpers::codegen_rust_wasm_export!(
         "*.wit"
-
-        // TODO: these use push/pull buffer which isn't implemented in the test
-        // generator just yet
-        "!wasi-next.wit"
-        "!host.wit"
     );
 }
diff --git a/crates/gen-guest-teavm-java/tests/codegen.rs b/crates/gen-guest-teavm-java/tests/codegen.rs
index a9da7526d..ec4e59345 100644
--- a/crates/gen-guest-teavm-java/tests/codegen.rs
+++ b/crates/gen-guest-teavm-java/tests/codegen.rs
@@ -1,23 +1,27 @@
 use heck::{ToSnakeCase, ToUpperCamelCase};
 use std::{fs, path::Path, process::Command};
 
+#[rustfmt::skip]
 mod imports {
     test_helpers::codegen_teavm_java_import!(
         "*.wit"
 
-        // TODO: implement async and resource support
-        "!async-functions.wit"
-        "!resource.wit"
+        // If you want to exclude a specific test you can include it here with
+        // gitignore glob syntax:
+        //
+        // "!wasm.wit"
+        // "!host.wit"
+        //
+        //
+        // Similarly you can also just remove the `*.wit` glob and list tests
+        // individually if you're debugging.
     );
 }
 
+#[rustfmt::skip]
 mod exports {
     test_helpers::codegen_teavm_java_export!(
         "*.wit"
-
-        // TODO: implement async and resource support
-        "!async-functions.wit"
-        "!resource.wit"
     );
 }
 
diff --git a/crates/gen-host-js/tests/codegen.rs b/crates/gen-host-js/tests/codegen.rs
index e77643920..a6d212d76 100644
--- a/crates/gen-host-js/tests/codegen.rs
+++ b/crates/gen-host-js/tests/codegen.rs
@@ -1,21 +1,27 @@
 use std::path::Path;
 use std::process::Command;
 
+#[rustfmt::skip]
 mod exports {
     test_helpers::codegen_js_export!(
-        // ...
         "*.wit"
+
+        // If you want to exclude a specific test you can include it here with
+        // gitignore glob syntax:
+        //
+        // "!wasm.wit"
+        // "!host.wit"
+        //
+        //
+        // Similarly you can also just remove the `*.wit` glob and list tests
+        // individually if you're debugging.
     );
 }
 
+#[rustfmt::skip]
 mod imports {
     test_helpers::codegen_js_import!(
         "*.wit"
-
-        // This uses buffers, which we don't support in imports just yet
-        // TODO: should support this
-        "!wasi-next.wit"
-        "!host.wit"
     );
 }
 
diff --git a/crates/gen-host-wasmtime-py/tests/codegen.rs b/crates/gen-host-wasmtime-py/tests/codegen.rs
index 285eb4ad9..e0ad06c14 100644
--- a/crates/gen-host-wasmtime-py/tests/codegen.rs
+++ b/crates/gen-host-wasmtime-py/tests/codegen.rs
@@ -1,26 +1,27 @@
 use std::path::Path;
 use std::process::Command;
 
+#[rustfmt::skip]
 mod exports {
     test_helpers::codegen_py_export!(
         "*.wit"
 
-        // TODO: implement async support
-        "!async-functions.wit"
+        // If you want to exclude a specific test you can include it here with
+        // gitignore glob syntax:
+        //
+        // "!wasm.wit"
+        // "!host.wit"
+        //
+        //
+        // Similarly you can also just remove the `*.wit` glob and list tests
+        // individually if you're debugging.
     );
 }
 
+#[rustfmt::skip]
 mod imports {
     test_helpers::codegen_py_import!(
         "*.wit"
-
-        // TODO: implement async support
-        "!async-functions.wit"
-
-        // This uses buffers, which we don't support in imports just yet
-        // TODO: should support this
-        "!wasi-next.wit"
-        "!host.wit"
     );
 }
 
diff --git a/crates/gen-host-wasmtime-rust/tests/codegen.rs b/crates/gen-host-wasmtime-rust/tests/codegen.rs
index 95daa8db9..a2dc015b2 100644
--- a/crates/gen-host-wasmtime-rust/tests/codegen.rs
+++ b/crates/gen-host-wasmtime-rust/tests/codegen.rs
@@ -9,9 +9,6 @@ mod exports {
     test_helpers::codegen_wasmtime_export!(
         "*.wit"
 
-        // TODO: implement async support
-        "!async-functions.wit"
-
         // If you want to exclude a specific test you can include it here with
         // gitignore glob syntax:
         //
@@ -24,17 +21,10 @@ mod exports {
     );
 }
 
+#[rustfmt::skip]
 mod imports {
     test_helpers::codegen_wasmtime_import!(
         "*.wit"
-
-        // TODO: implement async support
-        "!async-functions.wit"
-
-        // TODO: these use push/pull buffer which isn't implemented in the test
-        // generator just yet
-        "!wasi-next.wit"
-        "!host.wit"
     );
 }