diff --git a/tools/aconfig/src/codegen_rust.rs b/tools/aconfig/src/codegen_rust.rs
index 45303ce5f8..053cebc66f 100644
--- a/tools/aconfig/src/codegen_rust.rs
+++ b/tools/aconfig/src/codegen_rust.rs
@@ -92,7 +92,7 @@ mod tests {
 //! codegenerated rust flag lib
 
 /// flag provider
-pub struct FlagProvider
+pub struct FlagProvider;
 
 impl FlagProvider {
     /// query flag disabled_ro
diff --git a/tools/aconfig/templates/rust_prod.template b/tools/aconfig/templates/rust_prod.template
index 543107e8bd..d518694142 100644
--- a/tools/aconfig/templates/rust_prod.template
+++ b/tools/aconfig/templates/rust_prod.template
@@ -1,7 +1,7 @@
 //! codegenerated rust flag lib
 
 /// flag provider
-pub struct FlagProvider
+pub struct FlagProvider;
 
 impl FlagProvider \{