diff --git a/rules/provider/classical_strategy.go b/rules/provider/classical_strategy.go
index 032204e4..6561f12f 100644
--- a/rules/provider/classical_strategy.go
+++ b/rules/provider/classical_strategy.go
@@ -89,7 +89,7 @@ func ruleParse(ruleRaw string) (string, string, []string) {
 func NewClassicalStrategy(parse func(tp, payload, target string, params []string, subRules map[string][]C.Rule) (parsed C.Rule, parseErr error)) *classicalStrategy {
 	return &classicalStrategy{rules: []C.Rule{}, parse: func(tp, payload, target string, params []string) (parsed C.Rule, parseErr error) {
 		switch tp {
-		case "MATCH", "SUB-RULE":
+		case "MATCH":
 			return nil, fmt.Errorf("unsupported rule type on rule-set")
 		default:
 			return parse(tp, payload, target, params, nil)