diff --git a/Cargo.lock b/Cargo.lock
index 0485d4b..d9413b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -833,15 +833,6 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d87ecb2933e8aeadb3e3a02b828fed80a7528047e68b4f424523a0981a3a084"
 
-[[package]]
-name = "no_std_test"
-version = "0.1.0"
-dependencies = [
- "bytes",
- "prost",
- "roto-runtime",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
diff --git a/Cargo.toml b/Cargo.toml
index 557325a..7421390 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,13 +6,15 @@ members = [
     "benches",
     "roto-tonic",
     "examples/hello_world",
-    "examples/no_std_test",
 ]
 
 exclude = [
-    "test_gen_project"
+    "test_gen_project",
+    "examples/no_std_test",
 ]
 
+resolver = "3"
+
 [profile.dev]
 panic = "abort"
 
diff --git a/benches/Cargo.toml b/benches/Cargo.toml
index a8bbb74..c7c1770 100644
--- a/benches/Cargo.toml
+++ b/benches/Cargo.toml
@@ -3,6 +3,9 @@ name = "roto-benches"
 version = "0.1.0"
 edition = "2024"
 
+[features]
+alloc = []
+
 [dependencies]
 roto-runtime = { path = "../runtime" }
 clap = { version = "4", features = ["derive"] }
diff --git a/codegen/Cargo.toml b/codegen/Cargo.toml
index d9541d5..f122e26 100644
--- a/codegen/Cargo.toml
+++ b/codegen/Cargo.toml
@@ -3,6 +3,9 @@ name = "roto-codegen"
 version = "0.1.0"
 edition = "2024"
 
+[features]
+alloc = []
+
 [dependencies]
 
 roto-runtime = { path = "../runtime" }
diff --git a/codegen/src/generator/mod.rs b/codegen/src/generator/mod.rs
index a0b5ac9..4c072c9 100644
--- a/codegen/src/generator/mod.rs
+++ b/codegen/src/generator/mod.rs
@@ -7,19 +7,23 @@ use crate::runtime::ProtoAccessor;
 use std::collections::{HashMap, HashSet};
 use std::str;
 
-const DATA_IMPORTS: &str = "use roto_runtime::{ProtoAccessor, ProtoBuilder, Result, RotoError, read_varint, RepeatedFieldIterator, RotoMessage};\nuse core::str;\nuse bytes::{Bytes, BytesMut, Buf, BufMut};\n";
-const SERVICE_IMPORTS: &str = "use tonic::{Request, Response, Status};\n\
-     use tokio_stream::Stream;\n\
-     use std::pin::Pin;\n\
-     use std::sync::Arc;\n\
-     use std::task::{Context, Poll};\n\
-     use std::future::Future;\n\
-     use tonic::body::BoxBody;\n\
-     use tower::Service;\n\
-     use futures_util::StreamExt;\n\
-     use http_body_util::BodyExt;\n\
-     use http_body::Body;\n\
-     use crate::{BufferPool, StatusBody};\n";
+const DATA_IMPORTS: &str = "#[allow(unused)]\n\
+use roto_runtime::{ProtoAccessor, ProtoBuilder, Result, RotoError, read_varint, RepeatedFieldIterator, RotoMessage};\n\
+use core::str;\n\
+use bytes::{Bytes, BytesMut, Buf, BufMut};\n";
+const SERVICE_IMPORTS: &str = "#[allow(unused)]\n\
+use tonic::{Request, Response, Status};\n\
+use tokio_stream::Stream;\n\
+use std::pin::Pin;\n\
+use std::sync::Arc;\n\
+use std::task::{Context, Poll};\n\
+use std::future::Future;\n\
+use tonic::body::BoxBody;\n\
+use tower::Service;\n\
+use futures_util::StreamExt;\n\
+use http_body_util::BodyExt;\n\
+use http_body::Body;\n\
+use crate::{BufferPool, StatusBody};\n";
 
 pub fn to_pascal_case(s: &str) -> String {
     s.split('_')
@@ -456,10 +460,7 @@ fn write_message(msg_proto: &DescriptorProto, output: &mut String) {
 
     output.push_str(&format!("    pub fn finish(self) -> roto_runtime::Result<&'b mut [u8]> {{\n        self.builder.finish()\n    }}\n}}\n\n"));
 
-    output.push_str(&format!(
-        "pub struct Owned{} {{\n",
-        msg_name
-    ));
+    output.push_str(&format!("pub struct Owned{} {{\n", msg_name));
     output.push_str("    pub data: bytes::Bytes,\n");
     output.push_str("}\n\n");
 
@@ -828,7 +829,7 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
     output.push_str(SERVICE_IMPORTS);
     output.push_str("\n");
     let svc_name = to_pascal_case(svc_proto.name().unwrap());
-    
+
     output.push_str(&format!(
         "#[async_trait::async_trait]\npub trait {}: Send + Sync + 'static {{\n",
         svc_name
@@ -875,7 +876,7 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
     output.push_str("}\n\n");
 
     let server_name = format!("{}Server", svc_name);
-    
+
     output.push_str(&format!(
         "#[derive(Clone)]\npub struct {} {{\n",
         server_name
@@ -884,7 +885,6 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
     output.push_str("    pool: Arc<BufferPool>,\n");
     output.push_str("}\n\n");
 
-    
     output.push_str(&format!("impl {} {{\n", server_name));
     output.push_str(&format!(
         "    pub fn new(inner: Arc<dyn {}>, pool: Arc<BufferPool>) -> Self {{\n",
@@ -894,7 +894,6 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
     output.push_str("    }\n");
     output.push_str("}\n\n");
 
-    
     output.push_str(&format!(
         "impl tonic::server::NamedService for {} {{\n",
         server_name
@@ -910,7 +909,6 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
     ));
     output.push_str("}\n\n");
 
-    
     output.push_str(&format!(
         "impl Service<http::Request<BoxBody>> for {} {{\n",
         server_name
@@ -946,7 +944,8 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
     output.push_str("                return Ok(http::Response::builder().status(200).body(res_body).unwrap());\n");
     output.push_str("            }\n\n");
     output.push_str("            let payload = bytes_vec.slice(5..);\n");
-    output.push_str("            let mut routed = false;\n\n");
+    output.push_str("            #[allow(unused_assignments)]\n");
+    output.push_str("            let mut routed = false;\n");
 
     let mut methods = Vec::new();
     for method_res in svc_proto.method() {
@@ -1003,7 +1002,7 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
             input_owned
         ));
         output.push_str("                    Ok(msg) => msg,\n");
-        output.push_str("                    Err(e) => {\n");
+        output.push_str("                    Err(_e) => {\n");
         output.push_str("                        let res_body = BoxBody::new(StatusBody::new(Some(Bytes::from_static(&[0, 0, 0, 0, 0])), 0));\n");
         output.push_str("                        return Ok(http::Response::builder().status(200).body(res_body).unwrap());\n");
         output.push_str("                    }\n");
@@ -1013,7 +1012,7 @@ fn write_service(svc_proto: &ServiceDescriptorProto, package: &str, output: &mut
             method_name
         ));
         output.push_str("                    Ok(res) => res,\n");
-        output.push_str("                    Err(e) => {\n");
+        output.push_str("                    Err(_e) => {\n");
         output.push_str("                        let res_body = BoxBody::new(StatusBody::new(Some(Bytes::from_static(&[0, 0, 0, 0, 0])), 0));\n");
         output.push_str("                        return Ok(http::Response::builder().status(200).body(res_body).unwrap());\n");
         output.push_str("                    }\n");
diff --git a/codegen/src/google/protobuf/compiler/plugin.rs b/codegen/src/google/protobuf/compiler/plugin.rs
index a81a835..4ff4a27 100644
--- a/codegen/src/google/protobuf/compiler/plugin.rs
+++ b/codegen/src/google/protobuf/compiler/plugin.rs
@@ -1,5 +1,5 @@
 // @generated by protoc-gen-roto — do not edit
-#[allow(unused_imports)]
+#[allow(unused)]
 
 use crate::runtime::{ProtoAccessor, ProtoBuilder, Result, RotoError, read_varint, RepeatedFieldIterator};
 use std::str;
diff --git a/codegen/src/google/protobuf/descriptor.rs b/codegen/src/google/protobuf/descriptor.rs
index 210f0be..f659858 100644
--- a/codegen/src/google/protobuf/descriptor.rs
+++ b/codegen/src/google/protobuf/descriptor.rs
@@ -1,5 +1,5 @@
 // @generated by protoc-gen-roto — do not edit
-#[allow(unused_imports)]
+#[allow(unused)]
 
 use crate::runtime::{ProtoAccessor, ProtoBuilder, Result, RotoError, read_varint, RepeatedFieldIterator};
 use std::str;
diff --git a/codegen/tests/test_oneofs.rs b/codegen/tests/test_oneofs.rs
index 938ff9c..f393224 100644
--- a/codegen/tests/test_oneofs.rs
+++ b/codegen/tests/test_oneofs.rs
@@ -1,13 +1,5 @@
-use roto_codegen::generator::generate_rust_code;
-use roto_codegen::google::protobuf::descriptor::{
-    DescriptorProto, FieldDescriptorProto, FileDescriptorSet,
-};
-use std::collections::HashMap;
-
 #[test]
 fn test_oneof_generation() {
-    let mut set = FileDescriptorSet::new(b"").unwrap(); // Simplified for testing
-
     // In a real scenario, we'd build up a FileDescriptorSet from a proto.
     // For this unit test, we'll manually construct a DescriptorProto that has a oneof.
 
diff --git a/examples/hello_world/build.rs b/examples/hello_world/build.rs
index 8b39c10..b68361a 100644
--- a/examples/hello_world/build.rs
+++ b/examples/hello_world/build.rs
@@ -1,7 +1,6 @@
 fn main() {
     let proto_file = "proto/hello.proto";
     let out_dir = std::env::var("OUT_DIR").unwrap();
-    let dest_path = std::path::Path::new(&out_dir).join("hello.rs");
 
     // Find the protoc-gen-roto binary
     // Since we added roto-codegen to build-dependencies, it will be built.
diff --git a/roto-tonic/src/generated/helloworld.rs b/roto-tonic/src/generated/helloworld.rs
index 71a5031..94af62a 100644
--- a/roto-tonic/src/generated/helloworld.rs
+++ b/roto-tonic/src/generated/helloworld.rs
@@ -1,5 +1,5 @@
 // @generated by protoc-gen-roto — do not edit
-#[allow(unused_imports)]
+#[allow(unused)]
 
 use roto_runtime::{ProtoAccessor, ProtoBuilder, Result, RotoError, read_varint, RepeatedFieldIterator, RotoMessage};
 use std::str;
diff --git a/roto-tonic/src/generated/interop.rs b/roto-tonic/src/generated/interop.rs
index 49e10c1..fe94017 100644
--- a/roto-tonic/src/generated/interop.rs
+++ b/roto-tonic/src/generated/interop.rs
@@ -1,5 +1,5 @@
 // @generated by protoc-gen-roto — do not edit
-#[allow(unused_imports)]
+#![allow(unused)]
 use roto_runtime::{ProtoAccessor, ProtoBuilder, Result, RotoError, read_varint, RepeatedFieldIterator, RotoMessage};
 use core::str;
 use bytes::{Bytes, BytesMut, Buf, BufMut};
diff --git a/roto-tonic/src/lib.rs b/roto-tonic/src/lib.rs
index 96840b3..dbe5de6 100644
--- a/roto-tonic/src/lib.rs
+++ b/roto-tonic/src/lib.rs
@@ -1,12 +1,11 @@
-use std::marker::PhantomData;
-use tonic::codec::{Codec, Decoder, Encoder, DecodeBuf, EncodeBuf};
 use bytes::{Buf, BufMut, Bytes, BytesMut};
-use roto_runtime::RotoMessage;
-use std::sync::{Arc, Mutex};
-use std::pin::Pin;
-use std::future::Future;
-use std::task::{Context, Poll};
 use http_body::Body;
+use roto_runtime::RotoMessage;
+use std::marker::PhantomData;
+use std::pin::Pin;
+use std::sync::Mutex;
+use std::task::{Context, Poll};
+use tonic::codec::{Codec, DecodeBuf, Decoder, EncodeBuf, Encoder};
 
 pub mod generated {
     pub mod helloworld;
@@ -95,7 +94,11 @@ impl BufferPool {
     }
 
     pub fn get(&self) -> BytesMut {
-        self.pool.lock().unwrap().pop().unwrap_or_else(|| BytesMut::with_capacity(self.default_capacity))
+        self.pool
+            .lock()
+            .unwrap()
+            .pop()
+            .unwrap_or_else(|| BytesMut::with_capacity(self.default_capacity))
     }
 
     pub fn put(&self, mut buf: BytesMut) {
@@ -128,7 +131,7 @@ impl Body for StatusBody {
 
     fn poll_frame(
         mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
+        _cx: &mut Context<'_>,
     ) -> Poll<Option<Result<http_body::Frame<Self::Data>, Self::Error>>> {
         if let Some(data) = self.data.take() {
             Poll::Ready(Some(Ok(http_body::Frame::data(data))))
diff --git a/roto-tonic/tests/interop_test.rs b/roto-tonic/tests/interop_test.rs
index 78e67cb..5d20755 100644
--- a/roto-tonic/tests/interop_test.rs
+++ b/roto-tonic/tests/interop_test.rs
@@ -6,7 +6,6 @@ use roto_runtime::RotoOwned;
 use roto_tonic::{BufferPool, generated::interop::{InteropService, InteropServiceServer, OwnedUnaryRequest, OwnedUnaryResponse, OwnedStreamingRequest, OwnedStreamingResponse, UnaryResponseBuilder}};
 use futures_util::Stream;
 use std::pin::Pin;
-use bytes::BufMut;
 
 struct InteropHandler;