diff --git a/lib/compiler/passes/report-left-recursion.js b/lib/compiler/passes/report-left-recursion.js
index 56d98f8..13297d5 100644
--- a/lib/compiler/passes/report-left-recursion.js
+++ b/lib/compiler/passes/report-left-recursion.js
@@ -11,9 +11,7 @@ function reportLeftRecursion(ast) {
     },
 
     sequence: function(node, appliedRules) {
-      if (node.elements.length > 0) {
-        check(node.elements[0], appliedRules);
-      }
+      check(node.elements[0], appliedRules);
     },
 
     rule_ref: function(node, appliedRules) {