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-rw-r--r--compiler/rustc_expand/src/lib.rs5
1 files changed, 2 insertions, 3 deletions
diff --git a/compiler/rustc_expand/src/lib.rs b/compiler/rustc_expand/src/lib.rs
index 521ca2135c6..dfc07da9169 100644
--- a/compiler/rustc_expand/src/lib.rs
+++ b/compiler/rustc_expand/src/lib.rs
@@ -1,9 +1,8 @@
+#![feature(associated_type_bounds)]
+#![feature(associated_type_defaults)]
 #![feature(crate_visibility_modifier)]
 #![feature(decl_macro)]
-#![feature(destructuring_assignment)]
-#![feature(format_args_capture)]
 #![feature(if_let_guard)]
-#![feature(iter_zip)]
 #![feature(let_else)]
 #![feature(proc_macro_diagnostic)]
 #![feature(proc_macro_internals)]