diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 414a8ce17fa..f977cdd1f16 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -10961,7 +10961,6 @@ module ts {
         }
 
         function isUnknownIdentifier(location: Node, name: string): boolean {
-            // Do not call resolveName on a synthesized node!
             Debug.assert(!nodeIsSynthesized(location), "isUnknownIdentifier called with a synthesized location");
             return !resolveName(location, name, SymbolFlags.Value, /*nodeNotFoundMessage*/ undefined, /*nameArg*/ undefined) &&
                 !hasProperty(getGeneratedNamesForSourceFile(getSourceFile(location)), name);