diff --git a/libcontainer/cgroups/fs/freezer_test.go b/libcontainer/cgroups/fs/freezer_test.go
index 88abb675b..d5b107aff 100644
--- a/libcontainer/cgroups/fs/freezer_test.go
+++ b/libcontainer/cgroups/fs/freezer_test.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package fs
 
 import (
diff --git a/libcontainer/cgroups/fs/hugetlb_test.go b/libcontainer/cgroups/fs/hugetlb_test.go
index a4c2588bb..4eeb3fca8 100644
--- a/libcontainer/cgroups/fs/hugetlb_test.go
+++ b/libcontainer/cgroups/fs/hugetlb_test.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package fs
 
 import (
diff --git a/libcontainer/cgroups/fs/name.go b/libcontainer/cgroups/fs/name.go
index 2b64a0343..264d0eead 100644
--- a/libcontainer/cgroups/fs/name.go
+++ b/libcontainer/cgroups/fs/name.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package fs
 
 import (
diff --git a/libcontainer/cgroups/fs/net_cls.go b/libcontainer/cgroups/fs/net_cls.go
index abee87c96..35df2f594 100644
--- a/libcontainer/cgroups/fs/net_cls.go
+++ b/libcontainer/cgroups/fs/net_cls.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package fs
 
 import (
diff --git a/libcontainer/cgroups/fs/net_cls_test.go b/libcontainer/cgroups/fs/net_cls_test.go
index c24ee0375..439e656d6 100644
--- a/libcontainer/cgroups/fs/net_cls_test.go
+++ b/libcontainer/cgroups/fs/net_cls_test.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package fs
 
 import (
diff --git a/libcontainer/cgroups/fs/net_prio.go b/libcontainer/cgroups/fs/net_prio.go
index 54edcfc73..294ff098f 100644
--- a/libcontainer/cgroups/fs/net_prio.go
+++ b/libcontainer/cgroups/fs/net_prio.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package fs
 
 import (
diff --git a/libcontainer/cgroups/fs/net_prio_test.go b/libcontainer/cgroups/fs/net_prio_test.go
index 0ef4955bb..532392b4f 100644
--- a/libcontainer/cgroups/fs/net_prio_test.go
+++ b/libcontainer/cgroups/fs/net_prio_test.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package fs
 
 import (