diff --git a/mod.ts b/mod.ts
index 0f838dee..0c54bad4 100644
--- a/mod.ts
+++ b/mod.ts
@@ -1,17 +1,17 @@
 import { asserts } from "./src/rhum_asserts.ts";
 import { MockServerRequestFn } from "./src/mocks/server_request.ts";
 import { TestCase } from "./src/test_case.ts";
-import {
+import type {
   ITestPlan,
   RhumMocks,
 } from "./src/interfaces.ts";
-import {
+import type {
   Constructor,
   Stubbed,
 } from "./src/types.ts";
 import { MockBuilder } from "./src/mock_builder.ts";
 
-export { Constructor, Stubbed } from "./src/types.ts";
+export type { Constructor, Stubbed } from "./src/types.ts";
 export { MockBuilder } from "./src/mock_builder.ts";
 
 /**
diff --git a/src/interfaces.ts b/src/interfaces.ts
index c0d8ecee..f887fac9 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -1,4 +1,4 @@
-import { MockServerRequestFn } from "./mocks/server_request.ts";
+import type { MockServerRequestFn } from "./mocks/server_request.ts";
 
 /**
  * @remarks
diff --git a/src/mock_builder.ts b/src/mock_builder.ts
index 28dfc3f1..45eea3bb 100644
--- a/src/mock_builder.ts
+++ b/src/mock_builder.ts
@@ -1,4 +1,4 @@
-import { Mocked, Constructor } from "./types.ts";
+import type { Mocked, Constructor } from "./types.ts";
 
 export class MockBuilder<T> {
   /**
diff --git a/src/test_case.ts b/src/test_case.ts
index b3466598..1d747255 100644
--- a/src/test_case.ts
+++ b/src/test_case.ts
@@ -1,5 +1,5 @@
 const encoder = new TextEncoder();
-import { ITestPlan, ITestCase } from "./interfaces.ts";
+import type { ITestPlan, ITestCase } from "./interfaces.ts";
 
 /**
  * A class to help create uniform test case objects.