diff --git a/src/libcore/task/mod.rs b/src/libcore/task/mod.rs
index 2a4817727f4c..0e97c101dc65 100644
--- a/src/libcore/task/mod.rs
+++ b/src/libcore/task/mod.rs
@@ -797,7 +797,7 @@ fn test_run_basic() {
     po.recv();
 }
 
-#[test]
+#[cfg(test)]
 struct Wrapper {
     mut f: Option<Chan<()>>
 }
diff --git a/src/libstd/cmp.rs b/src/libstd/cmp.rs
index 5d7f64a7c8fa..ea3793c13748 100644
--- a/src/libstd/cmp.rs
+++ b/src/libstd/cmp.rs
@@ -64,7 +64,7 @@ fn test_fuzzy_eq_eps() {
     assert!(!(&1.5f).fuzzy_eq_eps(&0.9, &0.5));
 }
 
-#[test]
+#[cfg(test)]
 mod test_complex{
     use cmp::*;