diff --git a/src/routes/apiRoutes.js b/src/routes/apiRoutes.js
index 52554e6..a8eddf1 100644
--- a/src/routes/apiRoutes.js
+++ b/src/routes/apiRoutes.js
@@ -3,7 +3,6 @@ const { getPublicKey, verifyEvent } = require("nostr-tools");
 const crypto = require("crypto");
 
 const invitesService = require('../services/invitesService');
-const PublicKeySignedUpService = require('../services/PublicKeySignedUpService');
 const sessionService = require('../services/sessionService');
 const nostrService = require('../services/nostrService');
 
@@ -41,7 +40,7 @@ router.post('/sign-public-key-up', async (req, res) => {
     const inviteUuid = req.cookies.inviteUuid;
     const publicKey = req.body.publicKey;
 
-    if (await !invitesService.appInviteExists(inviteUuid)) {
+    if (await (!invitesService.appInviteExists(inviteUuid))) {
         return res.status(404).render('error', { message: 'Invite not found' });
     }
 
@@ -49,7 +48,7 @@ router.post('/sign-public-key-up', async (req, res) => {
         return res.status(410).json({ error: 'Invite has already been used.' });
     }
 
-    await PublicKeySignedUpService.signUpPublicKey(
+    await invitesService.signUpPublicKey(
         inviteUuid,
         publicKey
     );
@@ -92,7 +91,7 @@ router.post("/nostr-verify", async (req, res) => {
         return res.status(400).json({ success: false, error: "Invalid signature" });
     }
 
-    if (!PublicKeySignedUpService.isPublicKeyInvited(signedEvent.pubkey)) {
+    if (!invitesService.isPublicKeyInvited(signedEvent.pubkey)) {
         return res.status(400).json(
             {
                 success: false,
diff --git a/src/services/PublicKeySignedUpService.js b/src/services/PublicKeySignedUpService.js
deleted file mode 100644
index 2f6c363..0000000
--- a/src/services/PublicKeySignedUpService.js
+++ /dev/null
@@ -1,33 +0,0 @@
-const uuid = require("uuid");
-
-const PublicKeySignedUp = require('../models/PublicKeySignedUp');
-
-const invitesService = require('./invitesService');
-
-async function signUpPublicKey(inviteUuid, publicKey) {
-
-    if (await invitesService.isAppInviteSpent(inviteUuid)) {
-        throw new Error("Can't invite npub, invite is already spent.");
-    }
-
-    await PublicKeySignedUp.create({
-        uuid: uuid.v7(),
-        app_invite_uuid: inviteUuid,
-        public_key: publicKey,
-        created_at: new Date().toISOString()
-    });
-}
-
-async function isPublicKeySignedUp(publicKey) {
-
-    if (await PublicKeySignedUp.findOne({
-        where: { public_key: publicKey }
-    })) {
-        return true;
-    }
-
-    return false;
-}
-
-exports.signUpPublicKey = signUpPublicKey;
-exports.isPublicKeySignedUp = isPublicKeySignedUp;
\ No newline at end of file
diff --git a/src/services/invitesService.js b/src/services/invitesService.js
index e660b10..14635ee 100644
--- a/src/services/invitesService.js
+++ b/src/services/invitesService.js
@@ -38,8 +38,36 @@ async function createAppInvite(inviterNpub) {
     );
 }
 
+async function signUpPublicKey(inviteUuid, publicKey) {
 
-exports.appInviteExists = appInviteExists;
-exports.getAppInvite = getAppInvite;
-exports.isAppInviteSpent = isAppInviteSpent;
-exports.createAppInvite = createAppInvite;
+    if (await isAppInviteSpent(inviteUuid)) {
+        throw new Error("Can't invite npub, invite is already spent.");
+    }
+
+    await PublicKeySignedUp.create({
+        uuid: uuid.v7(),
+        app_invite_uuid: inviteUuid,
+        public_key: publicKey,
+        created_at: new Date().toISOString()
+    });
+}
+
+async function isPublicKeySignedUp(publicKey) {
+
+    if (await PublicKeySignedUp.findOne({
+        where: { public_key: publicKey }
+    })) {
+        return true;
+    }
+
+    return false;
+}
+
+module.exports = {
+    appInviteExists,
+    getAppInvite,
+    isAppInviteSpent,
+    createAppInvite,
+    signUpPublicKey,
+    isPublicKeySignedUp
+};
\ No newline at end of file
diff --git a/src/services/sessionService.js b/src/services/sessionService.js
index aebd45d..938703b 100644
--- a/src/services/sessionService.js
+++ b/src/services/sessionService.js
@@ -3,7 +3,7 @@ const uuid = require("uuid");
 const SessionCreated = require('../models/SessionCreated');
 const SessionNpubbed = require('../models/SessionNpubbed');
 
-const PublicKeySignedUpService = require('./PublicKeySignedUpService');
+const invitesService = require('./invitesService');
 
 const constants = require('../constants');
 
@@ -76,7 +76,7 @@ async function isSessionAuthorized(sessionUuid) {
 
     const npub = await getNpubRelatedToSession(sessionUuid);
 
-    if (await PublicKeySignedUpService.isPublicKeySignedUp(npub)) {
+    if (await invitesService.isPublicKeySignedUp(npub)) {
         return true;
     }