diff --git a/src/sugar3/test/discover.py b/src/sugar3/test/discover.py
index c9866060..8de28f8c 100644
--- a/src/sugar3/test/discover.py
+++ b/src/sugar3/test/discover.py
@@ -37,7 +37,6 @@ def main():
 
     os.chdir(args.tests_dir)
     os.environ["TMPDIR"] = temp_dir
-    os.environ["AT_SPI_CLIENT"] = "yes"
 
     try:
         test = unittest.defaultTestLoader.discover(".")