diff --git a/src/buffer.rs b/src/buffer.rs
index da37427..499c4f1 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -127,7 +127,10 @@
 // and caution should be used when editing it. The public-facing interface is
 // 100% safe but the implementation is fragile internally.
 
-#[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "proc-macro"))]
+#[cfg(all(
+    not(all(target_arch = "wasm32", target_os = "unknown")),
+    feature = "proc-macro"
+))]
 use proc_macro as pm;
 use proc_macro2::{Delimiter, Ident, Literal, Span, TokenStream};
 use proc_macro2::{Group, Punct, TokenTree};
@@ -223,7 +226,10 @@
     ///
     /// *This method is available if Syn is built with both the `"parsing"` and
     /// `"proc-macro"` features.*
-    #[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "proc-macro"))]
+    #[cfg(all(
+        not(all(target_arch = "wasm32", target_os = "unknown")),
+        feature = "proc-macro"
+    ))]
     pub fn new(stream: pm::TokenStream) -> TokenBuffer {
         Self::new2(stream.into())
     }
diff --git a/src/lib.rs b/src/lib.rs
index aefeca0..6299856 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -292,7 +292,10 @@
     )
 )]
 
-#[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "proc-macro"))]
+#[cfg(all(
+    not(all(target_arch = "wasm32", target_os = "unknown")),
+    feature = "proc-macro"
+))]
 extern crate proc_macro;
 extern crate proc_macro2;
 extern crate unicode_xid;
@@ -353,12 +356,10 @@
     PredicateLifetime, PredicateType, TraitBound, TraitBoundModifier, TypeParam, TypeParamBound,
     WhereClause, WherePredicate,
 };
-#[cfg(
-    all(
-        any(feature = "full", feature = "derive"),
-        feature = "printing"
-    )
-)]
+#[cfg(all(
+    any(feature = "full", feature = "derive"),
+    feature = "printing"
+))]
 pub use generics::{ImplGenerics, Turbofish, TypeGenerics};
 
 #[cfg(feature = "full")]
@@ -418,12 +419,10 @@
 
 #[cfg(any(feature = "full", feature = "derive"))]
 mod path;
-#[cfg(
-    all(
-        any(feature = "full", feature = "derive"),
-        feature = "printing"
-    )
-)]
+#[cfg(all(
+    any(feature = "full", feature = "derive"),
+    feature = "printing"
+))]
 pub use path::PathTokens;
 #[cfg(any(feature = "full", feature = "derive"))]
 pub use path::{
@@ -629,7 +628,11 @@
 /// #
 /// # fn main() {}
 /// ```
-#[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "parsing", feature = "proc-macro"))]
+#[cfg(all(
+    not(all(target_arch = "wasm32", target_os = "unknown")),
+    feature = "parsing",
+    feature = "proc-macro"
+))]
 pub fn parse<T>(tokens: proc_macro::TokenStream) -> Result<T, ParseError>
 where
     T: Synom,
@@ -761,20 +764,16 @@
     Ok(file)
 }
 
-#[cfg(
-    all(
-        any(feature = "full", feature = "derive"),
-        feature = "printing"
-    )
-)]
+#[cfg(all(
+    any(feature = "full", feature = "derive"),
+    feature = "printing"
+))]
 struct TokensOrDefault<'a, T: 'a>(&'a Option<T>);
 
-#[cfg(
-    all(
-        any(feature = "full", feature = "derive"),
-        feature = "printing"
-    )
-)]
+#[cfg(all(
+    any(feature = "full", feature = "derive"),
+    feature = "printing"
+))]
 impl<'a, T> quote::ToTokens for TokensOrDefault<'a, T>
 where
     T: quote::ToTokens + Default,
diff --git a/src/macros.rs b/src/macros.rs
index e9b7034..f4e7d0a 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -113,12 +113,10 @@
     )
 }
 
-#[cfg(
-    all(
-        feature = "printing",
-        any(feature = "full", feature = "derive")
-    )
-)]
+#[cfg(all(
+    feature = "printing",
+    any(feature = "full", feature = "derive")
+))]
 macro_rules! generate_to_tokens {
     (do_not_generate_to_tokens $($foo:tt)*) => ();
 
@@ -154,13 +152,11 @@
     };
 }
 
-#[cfg(
-    all(
-        feature = "printing",
-        feature = "derive",
-        not(feature = "full")
-    )
-)]
+#[cfg(all(
+    feature = "printing",
+    feature = "derive",
+    not(feature = "full")
+))]
 macro_rules! to_tokens_call {
     // If the variant is marked as #full, don't auto-generate to-tokens for it.
     ($e:ident, $tokens:ident, #full $($rest:tt)*) => {
@@ -183,12 +179,10 @@
     ($($rest:tt)*) => (ast_struct! { $($rest)* });
 }
 
-#[cfg(
-    all(
-        feature = "parsing",
-        any(feature = "full", feature = "derive")
-    )
-)]
+#[cfg(all(
+    feature = "parsing",
+    any(feature = "full", feature = "derive")
+))]
 macro_rules! impl_synom {
     ($t:ident $description:tt $($parser:tt)+) => {
         impl Synom for $t {
diff --git a/src/synom.rs b/src/synom.rs
index e589336..f3454eb 100644
--- a/src/synom.rs
+++ b/src/synom.rs
@@ -150,7 +150,10 @@
 //!
 //! *This module is available if Syn is built with the `"parsing"` feature.*
 
-#[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "proc-macro"))]
+#[cfg(all(
+    not(all(target_arch = "wasm32", target_os = "unknown")),
+    feature = "proc-macro"
+))]
 use proc_macro;
 use proc_macro2::{Delimiter, Group, Ident, Literal, Punct, TokenStream, TokenTree};
 
@@ -315,7 +318,10 @@
     ///
     /// *This method is available if Syn is built with both the `"parsing"` and
     /// `"proc-macro"` features.*
-    #[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "proc-macro"))]
+    #[cfg(all(
+        not(all(target_arch = "wasm32", target_os = "unknown")),
+        feature = "proc-macro"
+    ))]
     fn parse(self, tokens: proc_macro::TokenStream) -> Result<Self::Output, ParseError> {
         self.parse2(tokens.into())
     }