diff --git a/pkg/cephfs/mountcache.go b/pkg/cephfs/mountcache.go
index 64daf9a01..a7b73d85e 100644
--- a/pkg/cephfs/mountcache.go
+++ b/pkg/cephfs/mountcache.go
@@ -16,12 +16,11 @@ type volumeMountCacheEntry struct {
 	DriverName    string `json:"driverName"`
 	DriverVersion string `json:"driverVersion"`
 
-	VolumeID      string            `json:"volumeID"`
-	Secrets       map[string]string `json:"secrets"`
-	StagingPath   string            `json:"stagingPath"`
-	TargetPaths   map[string]bool   `json:"targetPaths"`
-	CreateTime    time.Time         `json:"createTime"`
-	LastMountTime time.Time         `json:"lastMountTime"`
+	VolumeID    string            `json:"volumeID"`
+	Secrets     map[string]string `json:"secrets"`
+	StagingPath string            `json:"stagingPath"`
+	TargetPaths map[string]bool   `json:"targetPaths"`
+	CreateTime  time.Time         `json:"createTime"`
 }
 
 type volumeMountCacheMap struct {