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-rw-r--r--compiler/rustc_data_structures/src/graph/implementation/tests.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/rustc_data_structures/src/graph/implementation/tests.rs b/compiler/rustc_data_structures/src/graph/implementation/tests.rs
index dc1ce1747..3ae5f5868 100644
--- a/compiler/rustc_data_structures/src/graph/implementation/tests.rs
+++ b/compiler/rustc_data_structures/src/graph/implementation/tests.rs
@@ -1,5 +1,4 @@
use crate::graph::implementation::*;
-use std::fmt::Debug;
type TestGraph = Graph<&'static str, &'static str>;