diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index a9b07dd145..d212077878 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -10921,10 +10921,8 @@ namespace ts {
                     case "function":
                         checkNoTypeArguments(node);
                         return globalFunctionType;
-                    case "Array":
                     case "array":
                         return (!typeArgs || !typeArgs.length) && !noImplicitAny ? anyArrayType : undefined;
-                    case "Promise":
                     case "promise":
                         return (!typeArgs || !typeArgs.length) && !noImplicitAny ? createPromiseType(anyType) : undefined;
                     case "Object":