diff --git a/daemon/execdriver/lxc/driver.go b/daemon/execdriver/lxc/driver.go
index 15f57bfe0..32e5b43eb 100644
--- a/daemon/execdriver/lxc/driver.go
+++ b/daemon/execdriver/lxc/driver.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package lxc
 
 import (
diff --git a/daemon/execdriver/lxc/info.go b/daemon/execdriver/lxc/info.go
index 27b4c5860..279211f32 100644
--- a/daemon/execdriver/lxc/info.go
+++ b/daemon/execdriver/lxc/info.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package lxc
 
 import (
diff --git a/daemon/execdriver/lxc/info_test.go b/daemon/execdriver/lxc/info_test.go
index edafc0251..996d56b2a 100644
--- a/daemon/execdriver/lxc/info_test.go
+++ b/daemon/execdriver/lxc/info_test.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package lxc
 
 import (
diff --git a/daemon/execdriver/lxc/init.go b/daemon/execdriver/lxc/init.go
index eca1c02e2..a47ece97f 100644
--- a/daemon/execdriver/lxc/init.go
+++ b/daemon/execdriver/lxc/init.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package lxc
 
 import (
diff --git a/daemon/execdriver/lxc/lxc_init_linux.go b/daemon/execdriver/lxc/lxc_init_linux.go
index e7bc2b5f3..fb89ac6a0 100644
--- a/daemon/execdriver/lxc/lxc_init_linux.go
+++ b/daemon/execdriver/lxc/lxc_init_linux.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package lxc
 
 import (
diff --git a/daemon/execdriver/lxc/lxc_init_unsupported.go b/daemon/execdriver/lxc/lxc_init_unsupported.go
index 97bc8a984..3b7be139b 100644
--- a/daemon/execdriver/lxc/lxc_init_unsupported.go
+++ b/daemon/execdriver/lxc/lxc_init_unsupported.go
@@ -3,5 +3,5 @@
 package lxc
 
 func finalizeNamespace(args *InitArgs) error {
-	panic("Not supported on darwin")
+	panic("Not supported on this platform")
 }
diff --git a/daemon/execdriver/lxc/lxc_template.go b/daemon/execdriver/lxc/lxc_template.go
index b3be7f8c5..6b418b26b 100644
--- a/daemon/execdriver/lxc/lxc_template.go
+++ b/daemon/execdriver/lxc/lxc_template.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package lxc
 
 import (