diff --git a/scripts/tslint/booleanTriviaRule.ts b/scripts/tslint/booleanTriviaRule.ts
index b54bfc96821..0115606053f 100644
--- a/scripts/tslint/booleanTriviaRule.ts
+++ b/scripts/tslint/booleanTriviaRule.ts
@@ -18,10 +18,6 @@ function walk(ctx: Lint.WalkContext<void>): void {
     }
 
     function checkCall(node: ts.CallExpression): void {
-        if (!node.arguments) {
-            return;
-        }
-
         for (const arg of node.arguments) {
             if (arg.kind !== ts.SyntaxKind.TrueKeyword && arg.kind !== ts.SyntaxKind.FalseKeyword) {
                 continue;
@@ -52,4 +48,4 @@ function walk(ctx: Lint.WalkContext<void>): void {
             }
         }
     }
-}
\ No newline at end of file
+}