diff --git a/kit/rule/benchmark_test.go b/kit/rule/benchmark_test.go
new file mode 100644
index 0000000..e912332
--- /dev/null
+++ b/kit/rule/benchmark_test.go
@@ -0,0 +1,23 @@
+package rule
+
+import (
+	"context"
+	"testing"
+)
+
+func Benchmark_SingleParse(bench *testing.B) {
+
+	for i := 0; i < bench.N; i++ {
+		New(context.Background(), "1")
+	}
+}
+
+func Benchmark_Single(bench *testing.B) {
+
+	parser, _ := New(context.Background(), "1")
+
+	bench.ResetTimer()
+	for i := 0; i < bench.N; i++ {
+		parser.Eval(nil)
+	}
+}
diff --git a/kit/rule/parser.go b/kit/rule/parser.go
index f0edd94..6e4d562 100644
--- a/kit/rule/parser.go
+++ b/kit/rule/parser.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"go/scanner"
 	"go/token"
+	"io"
 	"log"
 	"os"
 	"strings"
@@ -16,8 +17,8 @@ var (
 )
 
 func init() {
-	//logger.SetFlags(0)
-	//logger.SetOutput(io.Discard)
+	logger.SetFlags(0)
+	logger.SetOutput(io.Discard)
 }
 
 type (