diff --git a/src/hyperlight_component_util/src/guest.rs b/src/hyperlight_component_util/src/guest.rs
index 864f9cd0f..c4db964c3 100644
--- a/src/hyperlight_component_util/src/guest.rs
+++ b/src/hyperlight_component_util/src/guest.rs
@@ -68,6 +68,7 @@ fn emit_import_extern_decl<'a, 'b, 'c>(
                     ResourceItemName::Static(mn) => quote! { #mn },
                 },
             };
+            // Use unmarshal directly since empty TokenStream generates no code
             let decl = quote! {
                 fn #n(&mut self, #(#param_decls),*) -> #result_decl {
                     let mut args = ::alloc::vec::Vec::new();
@@ -78,7 +79,6 @@ fn emit_import_extern_decl<'a, 'b, 'c>(
                         ::hyperlight_common::flatbuffer_wrappers::function_types::ReturnType::VecBytes,
                     );
                     let ::core::result::Result::Ok(#ret) = #ret else { panic!("bad return from guest {:?}", #ret) };
-                    #[allow(clippy::unused_unit)]
                     #unmarshal
                 }
             };
diff --git a/src/hyperlight_component_util/src/hl.rs b/src/hyperlight_component_util/src/hl.rs
index 5a8e984f3..097c07f3d 100644
--- a/src/hyperlight_component_util/src/hl.rs
+++ b/src/hyperlight_component_util/src/hl.rs
@@ -655,7 +655,7 @@ pub fn emit_hl_unmarshal_param(s: &mut State, id: Ident, pt: &Value) -> TokenStr
 /// are no names in it (i.e. a unit type)
 pub fn emit_hl_unmarshal_result(s: &mut State, id: Ident, rt: &etypes::Result) -> TokenStream {
     match rt {
-        etypes::Result::Named(rs) if rs.is_empty() => quote! { () },
+        etypes::Result::Named(rs) if rs.is_empty() => TokenStream::new(),
         etypes::Result::Unnamed(vt) => {
             let toks = emit_hl_unmarshal_value(s, id, vt);
             quote! { { #toks }.0 }
diff --git a/src/tests/rust_guests/witguest/Cargo.lock b/src/tests/rust_guests/witguest/Cargo.lock
index 478740f35..abb8b2d24 100644
--- a/src/tests/rust_guests/witguest/Cargo.lock
+++ b/src/tests/rust_guests/witguest/Cargo.lock
@@ -337,9 +337,9 @@ dependencies = [
 
 [[package]]
 name = "prettyplease"
-version = "0.2.34"
+version = "0.2.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6837b9e10d61f45f987d50808f83d1ee3d206c66acf650c3e4ae2e1f6ddedf55"
+checksum = "061c1221631e079b26479d25bbf2275bfe5917ae8419cd7e34f13bfc2aa7539a"
 dependencies = [
  "proc-macro2",
  "syn",
@@ -477,9 +477,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.103"
+version = "2.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4307e30089d6fd6aff212f2da3a1f9e32f3223b1f010fb09b7c95f90f3ca1e8"
+checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/src/tests/rust_guests/witguest/guest.wit b/src/tests/rust_guests/witguest/guest.wit
index 5242fa1de..efa1052d1 100644
--- a/src/tests/rust_guests/witguest/guest.wit
+++ b/src/tests/rust_guests/witguest/guest.wit
@@ -53,6 +53,8 @@ interface roundtrip {
     enum-a, enum-b, enum-c
   }
   roundtrip-enum: func(x: testenum) -> testenum;
+  // Test case for void return function (no clippy unused_unit warnings)
+  do-something: func(number: u32);
 }
 
 interface host-resource {
diff --git a/src/tests/rust_guests/witguest/src/main.rs b/src/tests/rust_guests/witguest/src/main.rs
index 9fcabe087..bddea0659 100644
--- a/src/tests/rust_guests/witguest/src/main.rs
+++ b/src/tests/rust_guests/witguest/src/main.rs
@@ -113,6 +113,9 @@ impl test::wit::Roundtrip for Guest {
     ) -> test::wit::roundtrip::Testenum {
         (Host {}).roundtrip_enum(x)
     }
+    fn do_something(&mut self, number: u32) {
+        (Host {}).do_something(number)
+    }
 }
 
 impl test::wit::TestHostResource for Guest {