1 files changed, 0 insertions, 16 deletions
diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
index 735017aa5a8..51a8bdf155f 100644
--- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
+++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
@@ -1637,19 +1637,3 @@ where
         StaticEnum(..) | StaticStruct(..) => cx.span_bug(trait_span, "static function in `derive`"),
     }
 }
-
-/// Returns `true` if the type has no value fields
-/// (for an enum, no variant has any fields)
-pub fn is_type_without_fields(item: &Annotatable) -> bool {
-    if let Annotatable::Item(ref item) = *item {
-        match item.kind {
-            ast::ItemKind::Enum(ref enum_def, _) => {
-                enum_def.variants.iter().all(|v| v.data.fields().is_empty())
-            }
-            ast::ItemKind::Struct(ref variant_data, _) => variant_data.fields().is_empty(),
-            _ => false,
-        }
-    } else {
-        false
-    }
-}