diff --git a/src/client/pages/YieldStudyDashboard.tsx b/src/client/pages/YieldStudyDashboard.tsx
index 3ad93d4..ac97104 100644
--- a/src/client/pages/YieldStudyDashboard.tsx
+++ b/src/client/pages/YieldStudyDashboard.tsx
@@ -112,7 +112,7 @@ export const YieldStudyDashboard: React.FC = () => {
                 ...s,
                 categories: (s.categories || []).map(cat => ({
                     ...cat,
-                    id: cat.id || (cat as any)._id // Garante ID único
+                    id: cat.id || (cat as { _id?: string })._id // Garante ID único
                 }))
             }));
 
@@ -158,7 +158,7 @@ export const YieldStudyDashboard: React.FC = () => {
             const res = await yieldStudyService.createStudy(newStudy);
             const normalized = {
                 ...res.data,
-                categories: res.data.categories.map((cat: any) => ({
+                categories: res.data.categories.map((cat: PieceCategory & { _id?: string }) => ({
                     ...cat,
                     id: cat.id || cat._id
                 }))
@@ -226,7 +226,7 @@ export const YieldStudyDashboard: React.FC = () => {
 
         // 1. Aplica a atualização na categoria específica
         const newCategories = selectedStudy.categories.map(c => {
-            const currentId = c.id || (c as any)._id;
+            const currentId = c.id || (c as { _id?: string })._id;
             return currentId === id ? { ...c, ...updates } : c;
         });
 
@@ -432,7 +432,7 @@ export const YieldStudyDashboard: React.FC = () => {
                                             ...study,
                                             categories: study.categories.map(cat => ({
                                                 ...cat,
-                                                id: cat.id || (cat as any)._id
+                                                id: cat.id || (cat as { _id?: string })._id
                                             }))
                                         };
                                         setSelectedStudy(normalized);
diff --git a/src/server/routes/userRoutes.ts b/src/server/routes/userRoutes.ts
index cddf747..de69490 100644
--- a/src/server/routes/userRoutes.ts
+++ b/src/server/routes/userRoutes.ts
@@ -1,5 +1,5 @@
 import express from 'express';
-import { syncUser, getCurrentUser, getAllUsers, updateUserRole, toggleBanUser, heartbeat, getActiveUsers, deleteUser, login } from '../controllers/userController.js';
+import { getCurrentUser, getAllUsers, updateUserRole, toggleBanUser, heartbeat, getActiveUsers, deleteUser, login } from '../controllers/userController.js';
 import { requireAdmin } from '../middleware/authMiddleware.js';
 
 const router = express.Router();