diff --git a/services/asset_version_service.go b/services/asset_version_service.go
index d8e5bf3c..b85acd8b 100644
--- a/services/asset_version_service.go
+++ b/services/asset_version_service.go
@@ -506,115 +506,6 @@ func diffVulnsBetweenBranches[T Diffable](foundVulnerabilities []T, existingVuln
 	return newDetectedVulnsNotOnOtherBranch, newDetectedButOnOtherBranchExisting, existingEvents
 }
 
-func (s *assetVersionService) migrateToPurlsWithQualifiers(newVulns []models.DependencyVuln, existingVulns []models.DependencyVuln, existingVulnsOnOtherBranch []models.DependencyVuln) ([]models.DependencyVuln, []models.DependencyVuln, error) {
-
-	vulnsToUpdate := make([]models.DependencyVuln, 0)
-
-	for _, newVuln := range newVulns {
-		if newVuln.ComponentPurl == nil {
-			continue
-		}
-		fullPurl := newVuln.ComponentPurl
-		purl := strings.SplitN(*fullPurl, "?", 2)[0]
-
-		for i, existingVuln := range existingVulns {
-			if existingVuln.ComponentPurl != nil && *existingVuln.ComponentPurl == purl &&
-				existingVuln.CVEID != nil && newVuln.CVEID != nil && *existingVuln.CVEID == *newVuln.CVEID {
-				existingVulns[i].ComponentPurl = fullPurl
-				vulnsToUpdate = append(vulnsToUpdate, existingVulns[i])
-			}
-
-		}
-
-		for i, existingVuln := range existingVulnsOnOtherBranch {
-			if existingVuln.ComponentPurl != nil && *existingVuln.ComponentPurl == purl &&
-				existingVuln.CVEID != nil && newVuln.CVEID != nil && *existingVuln.CVEID == *newVuln.CVEID {
-				existingVulnsOnOtherBranch[i].ComponentPurl = fullPurl
-				vulnsToUpdate = append(vulnsToUpdate, existingVulnsOnOtherBranch[i])
-			}
-
-		}
-	}
-
-	if len(vulnsToUpdate) == 0 {
-		return existingVulns, existingVulnsOnOtherBranch, nil
-	}
-
-	db := s.dependencyVulnRepository.GetDB(nil)
-
-	//save all updated vulns back to the database
-	for _, dependencyVuln := range vulnsToUpdate {
-		oldHash := dependencyVuln.ID
-		newHash := dependencyVuln.CalculateHash()
-
-		if oldHash == newHash {
-			continue
-		}
-
-		// Update the hash in the database
-		err := db.Model(&models.DependencyVuln{}).Where("id = ?", oldHash).UpdateColumn("id", newHash).Error
-		if err != nil {
-			slog.Info("could not update dependencyVuln hash, trying to merge", "err", err)
-			// Handle duplicate key error by merging
-			var otherVuln models.DependencyVuln
-			err = db.Model(&models.DependencyVuln{}).Where("id = ?", newHash).First(&otherVuln).Error
-			if err != nil {
-				slog.Error("could not fetch other dependencyVuln", "err", err)
-				return existingVulns, existingVulnsOnOtherBranch, err
-			}
-
-			// Update all vuln events BEFORE deleting the old record
-			err = db.Model(&models.VulnEvent{}).Where("vuln_id = ?", oldHash).UpdateColumn("vuln_id", newHash).Error
-			if err != nil {
-				slog.Error("could not update vuln events", "err", err)
-				return existingVulns, existingVulnsOnOtherBranch, err
-			}
-
-			// Update artifact dependency vulns BEFORE deleting the old record
-			err = db.Table("artifact_dependency_vulns").Where("dependency_vuln_id = ?", oldHash).UpdateColumn("dependency_vuln_id", newHash).Error
-			if err != nil {
-				//check if the error is because duplicate entries, then we need to ignore it, because the other vuln already has those entries and the id is being updated to the new hash
-				if !strings.Contains(err.Error(), "duplicate key value") {
-					slog.Error("could not update artifact dependency vulns", "err", err)
-					return existingVulns, existingVulnsOnOtherBranch, err
-				}
-			}
-
-			// Now delete the old record after all references are updated
-			err = db.Model(&models.DependencyVuln{}).Where("id = ?", oldHash).Delete(&dependencyVuln).Error
-			if err != nil {
-				slog.Error("could not delete old dependencyVuln during merge", "err", err)
-				return existingVulns, existingVulnsOnOtherBranch, err
-			}
-
-		}
-
-		err = db.Model(&models.DependencyVuln{}).Where("id = ?", newHash).UpdateColumn("component_purl", dependencyVuln.ComponentPurl).Error
-		if err != nil {
-			slog.Error("could not update component purl during dependencyVuln merge", "err", err)
-			return existingVulns, existingVulnsOnOtherBranch, err
-		}
-
-		// Update all vuln events (in case the update succeeded on first try)
-		err = db.Model(&models.VulnEvent{}).Where("vuln_id = ?", oldHash).UpdateColumn("vuln_id", newHash).Error
-		if err != nil {
-			slog.Error("could not update vuln events", "err", err)
-			return existingVulns, existingVulnsOnOtherBranch, err
-		}
-
-		// update dependencyVuln in artifacts dependencyVuln table (in case the update succeeded on first try)
-		err = db.Table("artifact_dependency_vulns").Where("dependency_vuln_id = ?", oldHash).UpdateColumn("dependency_vuln_id", newHash).Error
-		if err != nil {
-			slog.Error("could not update artifact dependency vulns", "err", err)
-			return existingVulns, existingVulnsOnOtherBranch, err
-		}
-
-	}
-
-	return existingVulns, existingVulnsOnOtherBranch, nil
-
-}
-
 func (s *assetVersionService) handleScanResult(userID string, artifactName string, assetVersion *models.AssetVersion, sbom *normalize.CdxBom, dependencyVulns []models.DependencyVuln, asset models.Asset, upstream dtos.UpstreamState) ([]models.DependencyVuln, []models.DependencyVuln, []models.DependencyVuln, error) {
 	existingDependencyVulns, err := s.dependencyVulnRepository.ListByAssetAndAssetVersion(assetVersion.Name, assetVersion.AssetID)
 	if err != nil {
@@ -628,14 +519,6 @@ func (s *assetVersionService) handleScanResult(userID string, artifactName strin
 		return []models.DependencyVuln{}, []models.DependencyVuln{}, []models.DependencyVuln{}, err
 	}
 
-	// this is just for migration.
-	// the call can be removed after all assets were scanned again
-	existingDependencyVulns, existingVulnsOnOtherBranch, err = s.migrateToPurlsWithQualifiers(dependencyVulns, existingDependencyVulns, existingVulnsOnOtherBranch)
-	if err != nil {
-		slog.Error("could not migrate dependencyVulns to purls with qualifiers", "err", err)
-		return []models.DependencyVuln{}, []models.DependencyVuln{}, []models.DependencyVuln{}, err
-	}
-
 	existingVulnsOnOtherBranch = utils.Filter(existingVulnsOnOtherBranch, func(dependencyVuln models.DependencyVuln) bool {
 		return dependencyVuln.State != dtos.VulnStateFixed
 	})