diff --git a/api/internal/crawl/doc/doc.go b/api/internal/crawl/doc/doc.go
index 98a75c457..4c3eb1c6f 100644
--- a/api/internal/crawl/doc/doc.go
+++ b/api/internal/crawl/doc/doc.go
@@ -123,6 +123,8 @@ func (doc *KustomizationDocument) ParseYAML() error {
 
 	identifierSet := make(set)
 	valueSet := make(set)
+	kindSet := make(set)
+
 	getKind := func(m map[string]interface{}) string {
 		const defaultStr = "Kustomization"
 		kind, ok := m["kind"]
@@ -141,10 +143,14 @@ func (doc *KustomizationDocument) ParseYAML() error {
 	}
 
 	for _, contents := range ks {
-		doc.Kinds = append(doc.Kinds, getKind(contents))
+		kindSet[getKind(contents)] = struct{}{}
 		createFlatStructure(identifierSet, valueSet, contents)
 	}
 
+	for val := range kindSet {
+		doc.Kinds = append(doc.Kinds, val)
+	}
+
 	for val := range valueSet {
 		doc.Values = append(doc.Values, val)
 	}
diff --git a/api/internal/crawl/doc/doc_test.go b/api/internal/crawl/doc/doc_test.go
index 01705072e..6fef92d97 100644
--- a/api/internal/crawl/doc/doc_test.go
+++ b/api/internal/crawl/doc/doc_test.go
@@ -136,7 +136,6 @@ metadata:
 				"metadata:name=app2",
 			},
 			kinds: []string{
-				"Deployment",
 				"Deployment",
 				"Service",
 			},