diff --git a/metrics/cgroups/cgroups.go b/metrics/cgroups/cgroups.go
index e5f73e040..46d9e5985 100644
--- a/metrics/cgroups/cgroups.go
+++ b/metrics/cgroups/cgroups.go
@@ -45,10 +45,6 @@ type cgroupsMonitor struct {
 }
 
 func (m *cgroupsMonitor) Monitor(c plugin.Container) error {
-	// skip non-linux containers
-	if _, ok := c.(plugin.LinuxContainer); !ok {
-		return nil
-	}
 	id := c.Info().ID
 	state, err := c.State(m.context)
 	if err != nil {
@@ -65,9 +61,6 @@ func (m *cgroupsMonitor) Monitor(c plugin.Container) error {
 }
 
 func (m *cgroupsMonitor) Stop(c plugin.Container) error {
-	if _, ok := c.(plugin.LinuxContainer); !ok {
-		return nil
-	}
 	m.collector.Remove(c.Info().ID)
 	return nil
 }
diff --git a/plugin/container.go b/plugin/container.go
index d1277287a..b0297a3c9 100644
--- a/plugin/container.go
+++ b/plugin/container.go
@@ -28,10 +28,6 @@ type Container interface {
 	CloseStdin(context.Context, uint32) error
 }
 
-type LinuxContainer interface {
-	Container
-}
-
 type ExecOpts struct {
 	Spec []byte
 	IO   IO