diff --git a/memcheck/tests/origin5-bz2.vgtest b/memcheck/tests/origin5-bz2.vgtest
index 5f9f57312..40fe6bb5a 100644
--- a/memcheck/tests/origin5-bz2.vgtest
+++ b/memcheck/tests/origin5-bz2.vgtest
@@ -1,3 +1,4 @@
+prereq: ! ../../tests/os_test freebsd
 prog: origin5-bz2
 vgopts: -q --track-origins=yes
 args: x
diff --git a/memcheck/tests/varinfo2.vgtest b/memcheck/tests/varinfo2.vgtest
index 0f7306546..6a86e6e53 100644
--- a/memcheck/tests/varinfo2.vgtest
+++ b/memcheck/tests/varinfo2.vgtest
@@ -1,3 +1,4 @@
+prereq: ! ../../tests/os_test freebsd
 prog: varinfo2
 vgopts: --read-var-info=yes -q
 stderr_filter: filter_varinfo3
diff --git a/memcheck/tests/varinfo6.vgtest b/memcheck/tests/varinfo6.vgtest
index 8855247a4..41984b19b 100644
--- a/memcheck/tests/varinfo6.vgtest
+++ b/memcheck/tests/varinfo6.vgtest
@@ -1,2 +1,3 @@
+prereq: ! ../../tests/os_test freebsd
 prog: varinfo6
 vgopts: --read-var-info=yes -q