diff --git a/internal/convert/convert.go b/internal/convert/convert.go
index 180c361..c3d0843 100644
--- a/internal/convert/convert.go
+++ b/internal/convert/convert.go
@@ -96,7 +96,9 @@ func UserConfigSchema(v aiven.UserConfigSchema) (*types.UserConfigSchema, error)
 	e := make([]types.UserConfigSchemaEnumValue, 0, len(v.Enum))
 
 	for _, v := range v.Enum {
-		e = append(e, types.UserConfigSchemaEnumValue{Value: v})
+		if v != "" {
+			e = append(e, types.UserConfigSchemaEnumValue{Value: v})
+		}
 	}
 
 	// YAML uses scientific notation for floats, they won't change that
diff --git a/pkg/dist/integration_endpoint_types.yml b/pkg/dist/integration_endpoint_types.yml
index 0625627..9b233d8 100644
--- a/pkg/dist/integration_endpoint_types.yml
+++ b/pkg/dist/integration_endpoint_types.yml
@@ -308,7 +308,6 @@ external_kafka:
         - string
       enum:
         - value: https
-        - value: ""
       example: https
 external_opensearch_logs:
   type: object