diff --git a/pkg/kubelet/cm/cpumanager/state/checkpoint.go b/pkg/kubelet/cm/cpumanager/state/checkpoint.go
index e1a86b1b021..aba9e074b28 100644
--- a/pkg/kubelet/cm/cpumanager/state/checkpoint.go
+++ b/pkg/kubelet/cm/cpumanager/state/checkpoint.go
@@ -25,14 +25,14 @@ import (
 	hashutil "k8s.io/kubernetes/pkg/util/hash"
 )
 
-var _ checkpointmanager.Checkpoint = &cpuManagerCheckpoint {}
+var _ checkpointmanager.Checkpoint = &cpuManagerCheckpoint{}
 
 // cpuManagerCheckpoint struct is used to store cpu/pod assignments in a checkpoint
 type cpuManagerCheckpoint struct {
-	PolicyName string
+	PolicyName    string
 	DefaultCPUSet string
-	Entries map[string]string
-	Checksum uint64
+	Entries       map[string]string
+	Checksum      uint64
 }
 
 // NewCPUManagerCheckpoint returns an instance of Checkpoint
diff --git a/pkg/kubelet/cm/cpumanager/state/testing/util.go b/pkg/kubelet/cm/cpumanager/state/testing/util.go
index 6222c161cb1..c18c64cc10f 100644
--- a/pkg/kubelet/cm/cpumanager/state/testing/util.go
+++ b/pkg/kubelet/cm/cpumanager/state/testing/util.go
@@ -30,12 +30,15 @@ func (mc *MockCheckpoint) MarshalCheckpoint() ([]byte, error) {
 	return []byte(mc.Content), nil
 }
 
+// UnmarshalCheckpoint fakes unmarshaling
 func (mc *MockCheckpoint) UnmarshalCheckpoint(blob []byte) error {
 	return nil
 }
 
+// GetChecksum fakes getting checksum
 func (mc *MockCheckpoint) GetChecksum() uint64 {
 	return 0
 }
 
+// UpdateChecksum fakes updating cheksum
 func (mc *MockCheckpoint) UpdateChecksum() {}