diff --git a/commands/report.go b/commands/report.go
index 76a0bae5..96223beb 100644
--- a/commands/report.go
+++ b/commands/report.go
@@ -513,7 +513,7 @@ func fillCveDetail(r *models.ScanResult) error {
 				}
 				for _, con := range []models.CveContent{*nvd, *jvn} {
 					if !con.Empty() {
-						vinfo.CveContents.Upsert(con)
+						vinfo.CveContents[con.Type] = con
 					}
 				}
 				r.ScannedCves[cveID] = vinfo
diff --git a/commands/util.go b/commands/util.go
index 97bf0464..73d73001 100644
--- a/commands/util.go
+++ b/commands/util.go
@@ -239,7 +239,7 @@ func isCveInfoUpdated(cveID string, previous, current models.ScanResult) bool {
 	for _, c := range previous.ScannedCves {
 		if cveID == c.CveID {
 			for _, cType := range cTypes {
-				content, _ := c.CveContents.Get(cType)
+				content, _ := c.CveContents[cType]
 				prevLastModified[cType] = content.LastModified
 			}
 			break
@@ -250,7 +250,7 @@ func isCveInfoUpdated(cveID string, previous, current models.ScanResult) bool {
 	for _, c := range current.ScannedCves {
 		if cveID == c.CveID {
 			for _, cType := range cTypes {
-				content, _ := c.CveContents.Get(cType)
+				content, _ := c.CveContents[cType]
 				curLastModified[cType] = content.LastModified
 			}
 			break
diff --git a/models/models.go b/models/models.go
index 5efc7028..4030475f 100644
--- a/models/models.go
+++ b/models/models.go
@@ -412,50 +412,14 @@ func NewCveContents(conts ...CveContent) CveContents {
 	return m
 }
 
-// Get CveContent by cveID
-// TODO Pointer
-func (v CveContents) Get(typestr CveContentType) (CveContent, bool) {
-	if vv, ok := v[typestr]; ok {
-		return vv, true
-	}
-	return CveContent{}, false
-}
-
-// Delete by cveID
-func (v CveContents) Delete(typestr CveContentType) {
-	delete(v, typestr)
-}
-
-// Insert CveContent
-func (v CveContents) Insert(cont CveContent) {
-	v[cont.Type] = cont
-}
-
-// Update VulnInfo
-func (v CveContents) Update(cont CveContent) (ok bool) {
-	if _, ok := v[cont.Type]; ok {
-		v[cont.Type] = cont
-		return true
-	}
-	return false
-}
-
-// Upsert CveContent
-func (v CveContents) Upsert(cont CveContent) {
-	ok := v.Update(cont)
-	if !ok {
-		v.Insert(cont)
-	}
-}
-
 // CvssV2Score returns CVSS V2 Score
 func (v CveContents) CvssV2Score() float64 {
 	//TODO
-	if cont, found := v.Get(NVD); found {
+	if cont, found := v[NVD]; found {
 		return cont.Cvss2Score
-	} else if cont, found := v.Get(JVN); found {
+	} else if cont, found := v[JVN]; found {
 		return cont.Cvss2Score
-	} else if cont, found := v.Get(RedHat); found {
+	} else if cont, found := v[RedHat]; found {
 		return cont.Cvss2Score
 	}
 	return -1.1
@@ -463,7 +427,7 @@ func (v CveContents) CvssV2Score() float64 {
 
 // CvssV3Score returns CVSS V2 Score
 func (v CveContents) CvssV3Score() float64 {
-	if cont, found := v.Get(RedHat); found {
+	if cont, found := v[RedHat]; found {
 		return cont.Cvss3Score
 	}
 	return -1.1
diff --git a/oval/debian.go b/oval/debian.go
index d8384afd..ac108d9d 100644
--- a/oval/debian.go
+++ b/oval/debian.go
@@ -73,7 +73,8 @@ func (o Debian) fillOvalInfo(r *models.ScanResult, definition *ovalmodels.Defini
 		}
 	} else {
 		cveContents := vinfo.CveContents
-		if _, ok := vinfo.CveContents.Get(models.NewCveContentType(r.Family)); ok {
+		ctype := models.NewCveContentType(r.Family)
+		if _, ok := vinfo.CveContents[ctype]; ok {
 			util.Log.Infof("%s will be updated by OVAL", definition.Debian.CveID)
 		} else {
 			util.Log.Infof("%s is also detected by OVAL", definition.Debian.CveID)
@@ -82,7 +83,7 @@ func (o Debian) fillOvalInfo(r *models.ScanResult, definition *ovalmodels.Defini
 		if vinfo.Confidence.Score < models.OvalMatch.Score {
 			vinfo.Confidence = models.OvalMatch
 		}
-		cveContents.Upsert(ovalContent)
+		cveContents[ctype] = ovalContent
 		vinfo.CveContents = cveContents
 	}
 	r.ScannedCves[definition.Debian.CveID] = vinfo
diff --git a/oval/redhat.go b/oval/redhat.go
index 980c4f85..009324c9 100644
--- a/oval/redhat.go
+++ b/oval/redhat.go
@@ -70,7 +70,7 @@ func (o Redhat) fillOvalInfo(r *models.ScanResult, definition *ovalmodels.Defini
 			}
 		} else {
 			cveContents := vinfo.CveContents
-			if _, ok := vinfo.CveContents.Get(models.RedHat); ok {
+			if _, ok := vinfo.CveContents[models.RedHat]; ok {
 				util.Log.Infof("%s will be updated by OVAL", cve.CveID)
 			} else {
 				util.Log.Infof("%s is also detected by OVAL", cve.CveID)
@@ -80,7 +80,7 @@ func (o Redhat) fillOvalInfo(r *models.ScanResult, definition *ovalmodels.Defini
 			if vinfo.Confidence.Score < models.OvalMatch.Score {
 				vinfo.Confidence = models.OvalMatch
 			}
-			cveContents.Upsert(ovalContent)
+			cveContents[models.RedHat] = ovalContent
 			vinfo.CveContents = cveContents
 		}
 		r.ScannedCves[cve.CveID] = vinfo