diff --git a/index_test.go b/index_test.go
index e2ce40c..5608514 100644
--- a/index_test.go
+++ b/index_test.go
@@ -16,9 +16,8 @@ func TestCollections(t *testing.T) {
 		/*   2 */ {`"abcdef"[:3]`, "abc", nil},
 		/*   3 */ {`"abcdef"[1:]`, "bcdef", nil},
 		/*   4 */ {`"abcdef"[:]`, "abcdef", nil},
-		// /*   5 */ {`[0,1,2,3,4]`, []any{int64(0), int64(1), int64(2), int64(3), int64(4)}, nil},
 		// /*   5 */ {`[0,1,2,3,4][:]`, ListType{int64(0), int64(1), int64(2), int64(3), int64(4)}, nil},
-		/*   6 */ {`"abcdef"[1:2:3]`, nil, errors.New(`[1:14] left operand '(1, 2)' [pair] and right operand '3' [integer] are not compatible with operator ":"`)},
+		/*   5 */ {`"abcdef"[1:2:3]`, nil, errors.New(`[1:14] left operand '(1, 2)' [pair] and right operand '3' [integer] are not compatible with operator ":"`)},
 	}
 
 	t.Setenv("EXPR_PATH", ".")
diff --git a/list_test.go b/list_test.go
index b64ac77..8905aa5 100644
--- a/list_test.go
+++ b/list_test.go
@@ -45,6 +45,7 @@ func TestListParser(t *testing.T) {
 		/*  23 */ {`a=[1,2]; (a)<<3; 1`, []any{1, 2}, nil},
 		/*  24 */ {`["a","b","c","d"][1]`, "b", nil},
 		/*  25 */ {`["a","b","c","d"][1,1]`, nil, errors.New(`[1:19] one index only is allowed`)},
+		/*  26 */ {`[0,1,2,3,4][:]`, ListType{int64(0), int64(1), int64(2), int64(3), int64(4)}, nil},
 
 		// /*  8 */ {`[int(x)|x=csv("test.csv",1,all(),1)]`, []any{int64(10), int64(40), int64(20)}, nil},
 		// /*  9 */ {`sum(@[int(x)|x=csv("test.csv",1,all(),1)])`, []any{int64(10), int64(40), int64(20)}, nil},
diff --git a/operator-index.go b/operator-index.go
index 9660909..a9aa75f 100644
--- a/operator-index.go
+++ b/operator-index.go
@@ -61,9 +61,6 @@ func evalIndex(ctx ExprContext, self *term) (v any, err error) {
 	var indexList *ListType
 	var ok bool
 
-	// if err = self.checkOperands(); err != nil {
-	// 	return
-	// }
 	if leftValue, rightValue, err = self.evalInfix(ctx); err != nil {
 		return
 	}