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-rw-r--r--compiler/rustc_ast/src/tokenstream.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs
index d5c2bc1c7f6..0b4bfc0b36a 100644
--- a/compiler/rustc_ast/src/tokenstream.rs
+++ b/compiler/rustc_ast/src/tokenstream.rs
@@ -38,7 +38,6 @@ pub enum TokenTree {
 }
 
 // Ensure all fields of `TokenTree` are `DynSend` and `DynSync`.
-#[cfg(parallel_compiler)]
 fn _dummy()
 where
     Token: sync::DynSend + sync::DynSync,