2 files changed, 3 insertions, 9 deletions
diff --git a/src/libstd/sync/mpsc/mod.rs b/src/libstd/sync/mpsc/mod.rs
index b503b92b00f..6a43eccbaba 100644
--- a/src/libstd/sync/mpsc/mod.rs
+++ b/src/libstd/sync/mpsc/mod.rs
@@ -1476,9 +1476,7 @@ mod test {
 
         let _t = Thread::spawn(move|| {
             let mut count = 0;
-            // FIXME(#21245) use a for loop
-            let mut iter = rx.iter();
-            while let Some(x) = iter.next() {
+            for x in rx.iter() {
                 if count >= 3 {
                     break;
                 } else {
@@ -1942,9 +1940,7 @@ mod sync_tests {
 
         let _t = Thread::spawn(move|| {
             let mut count = 0;
-            // FIXME(#21245) use a for loop
-            let mut iter = rx.iter();
-            while let Some(x) = iter.next() {
+            for x in rx.iter() {
                 if count >= 3 {
                     break;
                 } else {
diff --git a/src/libstd/sync/mpsc/mpsc_queue.rs b/src/libstd/sync/mpsc/mpsc_queue.rs
index cc09cfd665c..53eba131674 100644
--- a/src/libstd/sync/mpsc/mpsc_queue.rs
+++ b/src/libstd/sync/mpsc/mpsc_queue.rs
@@ -185,9 +185,7 @@ mod tests {
             let tx = tx.clone();
             let q = q.clone();
             Thread::spawn(move|| {
-                // FIXME(#21245) use a for loop
-                let mut iter = 0..nmsgs;
-                while let Some(i) = iter.next() {
+                for i in 0..nmsgs {
                     q.push(i);
                 }
                 tx.send(()).unwrap();