diff --git a/src/expand.rs b/src/expand.rs
index 502e755..64725b0 100644
--- a/src/expand.rs
+++ b/src/expand.rs
@@ -48,7 +48,7 @@ impl ExpandedTestSet {
 
     fn insert(&mut self, test: Test, error: Option<Error>, is_from_glob: bool) {
         if let Some(&i) = self.path_to_index.get(&test.path) {
-            let mut prev = &mut self.vec[i];
+            let prev = &mut self.vec[i];
             if prev.is_from_glob {
                 prev.test.expected = test.expected;
                 return;
diff --git a/src/run.rs b/src/run.rs
index a94d7ad..1251fa0 100644
--- a/src/run.rs
+++ b/src/run.rs
@@ -646,7 +646,7 @@ fn parse_cargo_json(
                     Some(test) => test,
                     None => continue,
                 };
-                let mut entry = map
+                let entry = map
                     .entry(de.target.src_path)
                     .or_insert_with(Stderr::default);
                 if de.message.level == "error" {