diff --git a/components/script/dom/filereader.rs b/components/script/dom/filereader.rs
index 91f16559bd5..d954e1431ef 100644
--- a/components/script/dom/filereader.rs
+++ b/components/script/dom/filereader.rs
@@ -36,7 +36,7 @@ use std::ptr;
 use std::sync::Arc;
 use std::thread;
 use task_source::TaskSource;
-use task_source::file_reading::{FileReadingTaskSource, FileReadingRunnable, FileReadingTask};
+use task_source::file_reading::{FileReadingTask, FileReadingTaskSource};
 
 #[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum FileReaderFunction {
@@ -415,12 +415,12 @@ fn perform_annotated_read_operation(
     canceller: TaskCanceller,
 ) {
     // Step 4
-    let task = FileReadingRunnable::new(FileReadingTask::ProcessRead(filereader.clone(), gen_id));
-    task_source.queue_with_canceller(task, &canceller).unwrap();
+    let task = FileReadingTask::ProcessRead(filereader.clone(), gen_id);
+    task_source.queue_with_canceller(box task, &canceller).unwrap();
 
-    let task = FileReadingRunnable::new(FileReadingTask::ProcessReadData(filereader.clone(), gen_id));
-    task_source.queue_with_canceller(task, &canceller).unwrap();
+    let task = FileReadingTask::ProcessReadData(filereader.clone(), gen_id);
+    task_source.queue_with_canceller(box task, &canceller).unwrap();
 
-    let task = FileReadingRunnable::new(FileReadingTask::ProcessReadEOF(filereader, gen_id, data, blob_contents));
-    task_source.queue_with_canceller(task, &canceller).unwrap();
+    let task = FileReadingTask::ProcessReadEOF(filereader, gen_id, data, blob_contents);
+    task_source.queue_with_canceller(box task, &canceller).unwrap();
 }
diff --git a/components/script/task_source/file_reading.rs b/components/script/task_source/file_reading.rs
index 433cc78c260..dc9a6a751dd 100644
--- a/components/script/task_source/file_reading.rs
+++ b/components/script/task_source/file_reading.rs
@@ -34,21 +34,9 @@ impl TaskSource for FileReadingTaskSource {
     }
 }
 
-pub struct FileReadingRunnable {
-    task: FileReadingTask,
-}
-
-impl FileReadingRunnable {
-    pub fn new(task: FileReadingTask) -> Box<FileReadingRunnable> {
-        box FileReadingRunnable {
-            task: task
-        }
-    }
-}
-
-impl Task for FileReadingRunnable {
-    fn run(self: Box<FileReadingRunnable>) {
-        self.task.handle_task();
+impl Task for FileReadingTask {
+    fn run(self: Box<Self>) {
+        self.handle_task();
     }
 }