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-rw-r--r--compiler/rustc_session/src/lib.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs
index 7e059a88c27..0b4470b2b0f 100644
--- a/compiler/rustc_session/src/lib.rs
+++ b/compiler/rustc_session/src/lib.rs
@@ -3,7 +3,6 @@
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
 #![feature(map_many_mut)]
-#![feature(option_get_or_insert_default)]
 #![feature(rustc_attrs)]
 #![warn(unreachable_pub)]
 // tidy-alphabetical-end