diff --git a/Cargo.lock b/Cargo.lock
index 27fa10c..b38b9a3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6,7 +6,6 @@ version = 3
 name = "coffee_break"
 version = "1.0.0"
 dependencies = [
- "quote",
  "syn",
 ]
 
@@ -30,9 +29,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.53"
+version = "2.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7383cd0e49fff4b6b90ca5670bfd3e9d6a733b3f90c686605aa7eec8c4996032"
+checksum = "11a6ae1e52eb25aab8f3fb9fca13be982a373b8f1157ca14b897a825ba4a2d35"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 17b5c26..a3f7cbd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,11 +13,8 @@ categories = ["development-tools", "development-tools::build-utils"]
 [lib]
 proc-macro = true
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
-quote = "1.0.10"
-syn = "2.0.53"
+syn = { version = "2.0.57", default-features = false, features = ["proc-macro", "parsing"] }
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/src/lib.rs b/src/lib.rs
index fe6dece..ee7b169 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,6 @@
 #![doc = include_str!("../README.md")]
 
 use proc_macro::TokenStream;
-use quote::quote;
 use syn::{parse::Parse, Error};
 
 /// Take a break when compiling.
@@ -26,7 +25,9 @@ pub fn coffee_break(input: TokenStream) -> TokenStream {
     let input = syn::parse_macro_input!(input as CoffeeBreak);
 
     std::thread::sleep(std::time::Duration::from_secs(input.seconds));
-    quote! {()}.into()
+
+    // Return empty stream.
+    TokenStream::new()
 }
 
 struct CoffeeBreak {