2 files changed, 2 insertions, 5 deletions
diff --git a/src/libstd/sys/common/io.rs b/src/libstd/sys/common/io.rs
index 2778ed9326c..47cec4ef5c2 100644
--- a/src/libstd/sys/common/io.rs
+++ b/src/libstd/sys/common/io.rs
@@ -50,7 +50,7 @@ pub unsafe fn read_to_end_uninitialized(r: &mut Read, buf: &mut Vec<u8>) -> io::
     }
 }
 
-#[cfg(test)]
+#[cfg(all(test, not(target_os = "emscripten")))]
 pub mod test {
     use path::{Path, PathBuf};
     use env;
diff --git a/src/libstd/sys/common/remutex.rs b/src/libstd/sys/common/remutex.rs
index 4935afe6afc..4d0407ccf6c 100644
--- a/src/libstd/sys/common/remutex.rs
+++ b/src/libstd/sys/common/remutex.rs
@@ -156,7 +156,7 @@ impl<'a, T> Drop for ReentrantMutexGuard<'a, T> {
 }
 
 
-#[cfg(test)]
+#[cfg(all(test, not(target_os = "emscripten")))]
 mod tests {
     use sys_common::remutex::{ReentrantMutex, ReentrantMutexGuard};
     use cell::RefCell;
@@ -181,7 +181,6 @@ mod tests {
     }
 
     #[test]
-    #[cfg_attr(target_os = "emscripten", ignore)]
     fn is_mutex() {
         let m = Arc::new(ReentrantMutex::new(RefCell::new(0)));
         let m2 = m.clone();
@@ -199,7 +198,6 @@ mod tests {
     }
 
     #[test]
-    #[cfg_attr(target_os = "emscripten", ignore)]
     fn trylock_works() {
         let m = Arc::new(ReentrantMutex::new(()));
         let m2 = m.clone();
@@ -220,7 +218,6 @@ mod tests {
     }
 
     #[test]
-    #[cfg_attr(target_os = "emscripten", ignore)]
     fn poison_works() {
         let m = Arc::new(ReentrantMutex::new(RefCell::new(0)));
         let mc = m.clone();