diff --git a/benchmarks/src/bin/tpch.rs b/benchmarks/src/bin/tpch.rs
index a24381648338..f78ed5cd9e51 100644
--- a/benchmarks/src/bin/tpch.rs
+++ b/benchmarks/src/bin/tpch.rs
@@ -198,7 +198,7 @@ async fn benchmark_datafusion(
     }
 
     if let Some(path) = &opt.output_path {
-        std::fs::write(path, &benchmark_run.to_json())?;
+        std::fs::write(path, benchmark_run.to_json())?;
     }
     Ok(results)
 }
diff --git a/benchmarks/src/lib.rs b/benchmarks/src/lib.rs
index 116b3ecef878..b5a72036abcd 100644
--- a/benchmarks/src/lib.rs
+++ b/benchmarks/src/lib.rs
@@ -36,6 +36,12 @@ pub struct RunContext {
     pub arguments: Vec<String>,
 }
 
+impl Default for RunContext {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl RunContext {
     pub fn new() -> Self {
         Self {