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-rw-r--r--compiler/rustc_query_impl/src/plumbing.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_query_impl/src/plumbing.rs b/compiler/rustc_query_impl/src/plumbing.rs
index c37dcc048d2..dfe172fc3ff 100644
--- a/compiler/rustc_query_impl/src/plumbing.rs
+++ b/compiler/rustc_query_impl/src/plumbing.rs
@@ -462,7 +462,7 @@ macro_rules! define_queries {
             use std::marker::PhantomData;
 
             $(
-                #[derive(Copy, Clone, Debug)]
+                #[derive(Copy, Clone)]
                 pub struct $name<'tcx> {
                     data: PhantomData<&'tcx ()>
                 }