diff --git a/Cargo.lock b/Cargo.lock
index 1b7bf461..a83cc52e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1130,9 +1130,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.87"
+version = "1.0.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3e4daa0dcf6feba26f985457cdf104d4b4256fc5a09547140f3631bb076b19a"
+checksum = "307e3004becf10f5a6e0d59d20f3cd28231b0e0827a96cd3e0ce6d14bc1e4bb3"
 dependencies = [
  "unicode-ident",
 ]
@@ -1410,9 +1410,9 @@ checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "syn"
-version = "2.0.79"
+version = "2.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+checksum = "44d46482f1c1c87acd84dea20c1bf5ebff4c757009ed6bf19cfd36fb10e92c4e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2413,7 +2413,6 @@ dependencies = [
  "heck 0.5.0",
  "pulldown-cmark",
  "wit-bindgen-core",
- "wit-component",
 ]
 
 [[package]]
@@ -2424,9 +2423,7 @@ dependencies = [
  "clap",
  "heck 0.5.0",
  "test-helpers",
- "wasm-metadata",
  "wit-bindgen-core",
- "wit-component",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index b8cbf23b..acd1d3fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ pulldown-cmark = { version = "0.9", default-features = false }
 clap = { version = "4.3.19", features = ["derive"] }
 indexmap = "2.0.0"
 prettyplease = "0.2.20"
-syn = { version = "2.0", features = ["printing"] }
+syn = { version = "2.0.89", features = ["printing"] }
 
 wasmparser = "0.220.0"
 wasm-encoder = "0.220.0"
diff --git a/crates/csharp/Cargo.toml b/crates/csharp/Cargo.toml
index e2d1c16d..04bf0215 100644
--- a/crates/csharp/Cargo.toml
+++ b/crates/csharp/Cargo.toml
@@ -16,7 +16,6 @@ doctest = false
 test = false
 
 [dependencies]
-wasm-encoder = { workspace = true }
 wit-bindgen-core = { workspace = true }
 wit-component = { workspace = true }
 wit-parser = { workspace = true }
diff --git a/crates/csharp/src/lib.rs b/crates/csharp/src/lib.rs
index 744239a9..2081a433 100644
--- a/crates/csharp/src/lib.rs
+++ b/crates/csharp/src/lib.rs
@@ -124,6 +124,7 @@ pub struct CSharp {
     opts: Opts,
     name: String,
     usings: HashSet<String>,
+    #[allow(unused)]
     interop_usings: HashSet<String>,
     return_area_size: usize,
     return_area_align: usize,
@@ -198,6 +199,7 @@ impl CSharp {
         }
     }
 
+    #[allow(unused)]
     fn require_interop_using(&mut self, using_ns: &str) {
         if !self.interop_usings.contains(using_ns) {
             let using_ns_string = using_ns.to_string();
@@ -2691,7 +2693,7 @@ impl Bindgen for FunctionBindgen<'_, '_> {
                 ));
             }
 
-            Instruction::ListLower { element, realloc } => {
+            Instruction::ListLower { element, .. } => {
                 let Block {
                     body,
                     results: block_results,
diff --git a/crates/markdown/Cargo.toml b/crates/markdown/Cargo.toml
index 057eb8fd..99cec78f 100644
--- a/crates/markdown/Cargo.toml
+++ b/crates/markdown/Cargo.toml
@@ -20,4 +20,3 @@ heck = { workspace = true }
 pulldown-cmark = { workspace = true }
 clap = { workspace = true, optional = true }
 wit-bindgen-core = { workspace = true }
-wit-component = { workspace = true }
diff --git a/crates/moonbit/Cargo.toml b/crates/moonbit/Cargo.toml
index 119761cf..cdd81870 100644
--- a/crates/moonbit/Cargo.toml
+++ b/crates/moonbit/Cargo.toml
@@ -14,8 +14,6 @@ through the `wit-bindgen-cli` crate.
 [dependencies]
 anyhow = { workspace = true }
 wit-bindgen-core = { workspace = true }
-wit-component = { workspace = true }
-wasm-metadata = { workspace = true }
 heck = { workspace = true }
 clap = { workspace = true, optional = true }