diff --git a/src/codec.ts b/src/codec.ts
index 1e479e2..f8d5fbf 100644
--- a/src/codec.ts
+++ b/src/codec.ts
@@ -1,5 +1,5 @@
 import { DecodedMessage } from "@waku/core";
-import { IDecodedMessage, IDecoder, IEncoder, IMessage, IProtoMessage } from "@waku/interfaces";
+import type { IDecodedMessage, IDecoder, IEncoder, IMessage, IProtoMessage } from "@waku/interfaces";
 import { WakuMessage } from "@waku/proto";
 import debug from "debug";
 
diff --git a/src/pairing.spec.ts b/src/pairing.spec.ts
index 149019f..4d534c3 100644
--- a/src/pairing.spec.ts
+++ b/src/pairing.spec.ts
@@ -1,6 +1,6 @@
 import { HMACDRBG } from "@stablelib/hmac-drbg";
 import { randomBytes } from "@stablelib/random";
-import { IDecoder, IEncoder, IMessage } from "@waku/interfaces";
+import type { IDecoder, IEncoder, IMessage } from "@waku/interfaces";
 import { expect } from "chai";
 import { EventEmitter } from "eventemitter3";
 import { pEvent } from "p-event";