diff --git a/llvm/utils/lit/lit/run.py b/llvm/utils/lit/lit/run.py
index 4b91294..2fa8ebf 100644
--- a/llvm/utils/lit/lit/run.py
+++ b/llvm/utils/lit/lit/run.py
@@ -85,7 +85,7 @@
 
         async_results = [
             pool.apply_async(lit.worker.execute, args=[test],
-                             callback=self._process_completed)
+                             callback=self.progress_callback)
             for test in self.tests]
         pool.close()
 
@@ -111,13 +111,6 @@
                     if self.failures == self.max_failures:
                         raise MaxFailuresError()
 
-    def _process_completed(self, test):
-        # Avoid racing with the main thread, which is going to terminate the
-        # process pool soon.
-        if self.failures == self.max_failures:
-            return
-        self.progress_callback(test)
-
     # TODO(yln): interferes with progress bar
     # Some tests use threads internally, and at least on Linux each of these
     # threads counts toward the current process limit. Try to raise the (soft)