diff --git a/src/generics.rs b/src/generics.rs
index f0ebd7fe2f..119ed86d0e 100644
--- a/src/generics.rs
+++ b/src/generics.rs
@@ -248,34 +248,7 @@ impl Generics {
             predicates: Punctuated::new(),
         })
     }
-}
-
-/// Returned by `Generics::split_for_impl`.
-#[cfg(feature = "printing")]
-#[cfg_attr(
-    docsrs,
-    doc(cfg(all(any(feature = "full", feature = "derive"), feature = "printing")))
-)]
-pub struct ImplGenerics<'a>(&'a Generics);
-
-/// Returned by `Generics::split_for_impl`.
-#[cfg(feature = "printing")]
-#[cfg_attr(
-    docsrs,
-    doc(cfg(all(any(feature = "full", feature = "derive"), feature = "printing")))
-)]
-pub struct TypeGenerics<'a>(&'a Generics);
 
-/// Returned by `TypeGenerics::as_turbofish`.
-#[cfg(feature = "printing")]
-#[cfg_attr(
-    docsrs,
-    doc(cfg(all(any(feature = "full", feature = "derive"), feature = "printing")))
-)]
-pub struct Turbofish<'a>(&'a Generics);
-
-#[cfg(feature = "printing")]
-impl Generics {
     /// Split a type's generics into the pieces required for impl'ing a trait
     /// for that type.
     ///
@@ -294,6 +267,7 @@ impl Generics {
     /// }
     /// # ;
     /// ```
+    #[cfg(feature = "printing")]
     #[cfg_attr(
         docsrs,
         doc(cfg(all(any(feature = "full", feature = "derive"), feature = "printing")))
@@ -307,6 +281,30 @@ impl Generics {
     }
 }
 
+/// Returned by `Generics::split_for_impl`.
+#[cfg(feature = "printing")]
+#[cfg_attr(
+    docsrs,
+    doc(cfg(all(any(feature = "full", feature = "derive"), feature = "printing")))
+)]
+pub struct ImplGenerics<'a>(&'a Generics);
+
+/// Returned by `Generics::split_for_impl`.
+#[cfg(feature = "printing")]
+#[cfg_attr(
+    docsrs,
+    doc(cfg(all(any(feature = "full", feature = "derive"), feature = "printing")))
+)]
+pub struct TypeGenerics<'a>(&'a Generics);
+
+/// Returned by `TypeGenerics::as_turbofish`.
+#[cfg(feature = "printing")]
+#[cfg_attr(
+    docsrs,
+    doc(cfg(all(any(feature = "full", feature = "derive"), feature = "printing")))
+)]
+pub struct Turbofish<'a>(&'a Generics);
+
 #[cfg(feature = "printing")]
 macro_rules! generics_wrapper_impls {
     ($ty:ident) => {