diff --git a/fixtures/ext-types/uniffi-one/src/lib.rs b/fixtures/ext-types/uniffi-one/src/lib.rs
index 4bf130ad02..cf905f48b4 100644
--- a/fixtures/ext-types/uniffi-one/src/lib.rs
+++ b/fixtures/ext-types/uniffi-one/src/lib.rs
@@ -34,9 +34,4 @@ fn get_my_proc_macro_type(t: UniffiOneProcMacroType) -> UniffiOneProcMacroType {
     t
 }
 
-#[uniffi::export]
-async fn get_uniffi_one_async() -> UniffiOneEnum {
-    UniffiOneEnum::One
-}
-
 uniffi::include_scaffolding!("uniffi-one");