diff --git a/src/cmd/stats.rs b/src/cmd/stats.rs
index 64572a7b..6c850fe2 100644
--- a/src/cmd/stats.rs
+++ b/src/cmd/stats.rs
@@ -510,7 +510,7 @@ impl Commute for TypedSum {
 
 /// TypedMinMax keeps track of minimum/maximum values for each possible type
 /// where min/max makes sense.
-#[derive(Clone)]
+#[derive(Clone, Default)]
 struct TypedMinMax {
     strings: MinMax<Vec<u8>>,
     str_len: MinMax<usize>,
@@ -586,17 +586,6 @@ impl TypedMinMax {
     }
 }
 
-impl Default for TypedMinMax {
-    fn default() -> TypedMinMax {
-        TypedMinMax {
-            strings: Default::default(),
-            str_len: Default::default(),
-            integers: Default::default(),
-            floats: Default::default(),
-        }
-    }
-}
-
 impl Commute for TypedMinMax {
     fn merge(&mut self, other: TypedMinMax) {
         self.strings.merge(other.strings);