diff --git a/source/literal-union.d.ts b/source/literal-union.d.ts
index 66c483897..52e8de633 100644
--- a/source/literal-union.d.ts
+++ b/source/literal-union.d.ts
@@ -1,3 +1,5 @@
+import {Primitive} from './basic';
+
 /**
 Allows creating a union type by combining primitive types and literal types without sacrificing auto-completion in IDEs for the literal type part of the union.
 
diff --git a/source/merge.d.ts b/source/merge.d.ts
index d6e66be98..b5a66afb3 100644
--- a/source/merge.d.ts
+++ b/source/merge.d.ts
@@ -1,3 +1,5 @@
+import {Omit} from './omit';
+
 /**
 Merge two types into a new type. Keys of the second type overrides keys of the first type.