diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index 9534cc5f434..d7c29f6900a 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -221,7 +221,7 @@ impl FromStr for LlvmLibunwind {
     }
 }
 
-#[derive(Debug, Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct TargetSelection {
     pub triple: Interned<String>,
     file: Option<Interned<String>>,
@@ -276,6 +276,12 @@ impl fmt::Display for TargetSelection {
     }
 }
 
+impl fmt::Debug for TargetSelection {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", self)
+    }
+}
+
 impl PartialEq<&str> for TargetSelection {
     fn eq(&self, other: &&str) -> bool {
         self.triple == *other