diff --git a/meta/classes/testsdk.bbclass b/meta/classes/testsdk.bbclass
index 29db5e81c8..6a201aa41b 100644
--- a/meta/classes/testsdk.bbclass
+++ b/meta/classes/testsdk.bbclass
@@ -87,9 +87,6 @@ python do_testsdk() {
 }
 addtask testsdk
 do_testsdk[nostamp] = "1"
-do_testsdk[lockfiles] += "${TESTSDKLOCK}"
-
-TESTSDKEXTLOCK = "${TMPDIR}/testsdkext.lock"
 
 def testsdkext_main(d):
     import os