diff --git a/subprocess_unittest.cc b/subprocess_unittest.cc
index eb95133..2660456 100644
--- a/subprocess_unittest.cc
+++ b/subprocess_unittest.cc
@@ -193,7 +193,7 @@
                 << strerror(errno);
       break;
     }
-    g_usleep(kSleepTime.InMicroseconds());
+    usleep(kSleepTime.InMicroseconds());
     total_wait_time += kSleepTime;
   }
   close(temp_fd);