diff --git a/helgrind/tests/pth_spinlock.vgtest b/helgrind/tests/pth_spinlock.vgtest
index 512b287..90280a5 100644
--- a/helgrind/tests/pth_spinlock.vgtest
+++ b/helgrind/tests/pth_spinlock.vgtest
@@ -1,3 +1,7 @@
-prereq: test -e ../../drd/tests/pth_spinlock
+# Disabled this test because it fails intermittently.
+# See also https://bugs.kde.org/show_bug.cgi?id=205452.
+
+#prereq: test -e ../../drd/tests/pth_spinlock
+prereq: false
 vgopts: -q
 prog: ../../drd/tests/pth_spinlock