diff --git a/src/app/api/member/route.ts b/src/app/api/member/route.ts
index a4c677fd..3ccf4e32 100644
--- a/src/app/api/member/route.ts
+++ b/src/app/api/member/route.ts
@@ -1,6 +1,5 @@
 import { db } from '@/db';
 import { memberTable } from '@/db/schema';
-import { checkUserExists } from '@/server/check-user-exists';
 import { currentUser } from '@clerk/nextjs';
 import { createInsertSchema } from 'drizzle-zod';
 import { z } from 'zod';
@@ -22,12 +21,6 @@ export async function POST(request: Request) {
         return new Response(JSON.stringify(reqBody.error.format()), { status: 400 });
     }
 
-    // Avoid duplicate users in database
-    const userExists = await checkUserExists(user.id);
-    if (userExists) {
-        return new Response(null, { status: 403 });
-    }
-
     await db.insert(memberTable).values({
         clerkId: user.id,
         email: user.emailAddresses[0].emailAddress,
diff --git a/src/db/schema.ts b/src/db/schema.ts
index de395fa4..7836eb42 100644
--- a/src/db/schema.ts
+++ b/src/db/schema.ts
@@ -14,7 +14,7 @@ export const memberTable = sqliteTable('members', {
         .$defaultFn(() => nanoid())
         .primaryKey(),
 
-    clerkId: text('clerk_id').notNull(),
+    clerkId: text('clerk_id').notNull().unique(),
     email: text('email').notNull(),
     firstName: text('first_name').notNull(),
     lastName: text('last_name').notNull(),