diff --git a/src/lib/waku_message/version_1.ts b/src/lib/waku_message/version_1.ts
index e24fb8fe68..3ca8362eab 100644
--- a/src/lib/waku_message/version_1.ts
+++ b/src/lib/waku_message/version_1.ts
@@ -17,6 +17,11 @@ const SignatureLength = 65;
 
 export const PrivateKeySize = 32;
 
+export type Signature = {
+  signature: Uint8Array;
+  publicKey: Uint8Array | undefined;
+};
+
 /**
  * Encode the payload pre-encryption.
  *
@@ -76,11 +81,6 @@ export async function clearEncode(
   return { payload: envelope, sig };
 }
 
-export type Signature = {
-  signature: Uint8Array;
-  publicKey: Uint8Array | undefined;
-};
-
 /**
  * Decode a decrypted payload.
  *