1 files changed, 9 insertions, 2 deletions
diff --git a/src/collector/mod.rs b/src/collector/mod.rs
index f905e52..660f878 100644
--- a/src/collector/mod.rs
+++ b/src/collector/mod.rs
@@ -89,7 +89,6 @@ impl<'a, C: Collector> Collector for &'a mut C {
 pub mod tests {
 
     use super::*;
-    use test::Bencher;
     use DocId;
     use Score;
     use core::SegmentReader;
@@ -186,6 +185,14 @@ pub mod tests {
         }
     }
 
+}
+
+
+#[cfg(all(test, feature="unstable"))]
+mod bench {
+
+    use test::Bencher;
+
     #[bench]
     fn build_collector(b: &mut Bencher) {
         b.iter(|| {
@@ -197,4 +204,4 @@ pub mod tests {
             count_collector.count()
         });
     }
-}
+}
+\ No newline at end of file