1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstd/sync/once.rs b/src/libstd/sync/once.rs
index 86d2986959c..64c3e2bb42f 100644
--- a/src/libstd/sync/once.rs
+++ b/src/libstd/sync/once.rs
@@ -385,6 +385,7 @@ mod tests {
     }
 
     #[test]
+    #[cfg_attr(target_os = "emscripten", ignore)]
     fn stampede_once() {
         static O: Once = Once::new();
         static mut run: bool = false;
@@ -447,6 +448,7 @@ mod tests {
     }
 
     #[test]
+    #[cfg_attr(target_os = "emscripten", ignore)]
     fn wait_for_force_to_finish() {
         static O: Once = Once::new();