diff --git a/app/components/DeleteButton.tsx b/app/components/DeleteButton.tsx
index 5367ca7..6776c84 100644
--- a/app/components/DeleteButton.tsx
+++ b/app/components/DeleteButton.tsx
@@ -51,7 +51,7 @@ export function DeleteButton({ produtoId, produtoNome, listaId }: DeleteButtonPr
                 <AlertDialogHeader>
                     <AlertDialogTitle>Confirmar exclusão</AlertDialogTitle>
                     <AlertDialogDescription>
-                        Tem certeza que deseja excluir o produto "{produtoNome}"?
+                        Tem certeza que deseja excluir o produto &quot;{produtoNome}&quot;?
                         Esta ação não pode ser desfeita.
                     </AlertDialogDescription>
                 </AlertDialogHeader>
diff --git a/app/components/IdInput.tsx b/app/components/IdInput.tsx
index b523abc..923ede9 100644
--- a/app/components/IdInput.tsx
+++ b/app/components/IdInput.tsx
@@ -30,7 +30,7 @@ export function IdInput() {
             } else {
                 setError('Erro ao acessar/criar lista')
             }
-        } catch (error) {
+        } catch {
             setError('Erro ao processar solicitação')
         } finally {
             setLoading(false)
diff --git a/app/components/ListHeader.tsx b/app/components/ListHeader.tsx
index 28b53f6..e2f79ad 100644
--- a/app/components/ListHeader.tsx
+++ b/app/components/ListHeader.tsx
@@ -59,7 +59,7 @@ export function ListHeader({ listaId }: ListHeaderProps) {
           }
         }
       }
-    } catch (error) {
+    } catch {
       setError('Erro ao processar solicitação')
     } finally {
       setLoading(false)
diff --git a/app/components/PageTitle.tsx b/app/components/PageTitle.tsx
index 9c7743f..770711e 100644
--- a/app/components/PageTitle.tsx
+++ b/app/components/PageTitle.tsx
@@ -1,10 +1,8 @@
 'use client'
 
 import { motion } from 'framer-motion'
-import { useTheme } from 'next-themes'
-
 export function PageTitle() {
-    const { theme } = useTheme()
+
 
     return (
         <motion.div
diff --git a/app/lista/[id]/page.tsx b/app/lista/[id]/page.tsx
index df45dc7..9f221ec 100644
--- a/app/lista/[id]/page.tsx
+++ b/app/lista/[id]/page.tsx
@@ -14,7 +14,7 @@ interface ListaPageProps {
 }
 
 export default async function ListaPage({ params }: ListaPageProps) {
-    const { success, exists } = await verificarLista(params.id);
+    const { success } = await verificarLista(params.id);
 
     if (!success) {
         redirect('/');
diff --git a/components/ui/dropdown-menu.tsx b/components/ui/dropdown-menu.tsx
index 8c6289b..55bd3ff 100644
--- a/components/ui/dropdown-menu.tsx
+++ b/components/ui/dropdown-menu.tsx
@@ -2,7 +2,7 @@
 
 import * as React from "react"
 import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu"
-import { Check, ChevronRight, Circle } from "lucide-react"
+import { ChevronRight } from "lucide-react"
 
 import { cn } from "@/lib/utils"
 
diff --git a/lib/utils.ts b/lib/utils.ts
index 59ce405..9421230 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -9,7 +9,7 @@ export function cn(...inputs: ClassValue[]) {
 const perfCache = new Map<string, number>()
 
 // Debounce utility
-export function debounce<T extends (...args: any[]) => any>(
+export function debounce<T extends (...args: unknown[]) => unknown>(
   func: T,
   wait: number
 ): (...args: Parameters<T>) => void {
@@ -22,21 +22,24 @@ export function debounce<T extends (...args: any[]) => any>(
 }
 
 // Memoização para cálculos pesados
-export function memoize<T extends (...args: any[]) => any>(
-  func: T,
-  resolver?: (...args: Parameters<T>) => string
-): T {
-  const cache = new Map<string, ReturnType<T>>()
+export function memoize<TArgs extends unknown[], TResult>(
+  func: (...args: TArgs) => TResult,
+  resolver?: (...args: TArgs) => string
+): typeof func {
+  const cache = new Map<string, TResult>()
 
-  return ((...args: Parameters<T>) => {
+  return ((...args: TArgs) => {
     const key = resolver ? resolver(...args) : JSON.stringify(args)
-    if (cache.has(key)) {
-      return cache.get(key)
+    const cachedResult = cache.get(key)
+
+    if (cachedResult !== undefined) {
+      return cachedResult
     }
+
     const result = func(...args)
     cache.set(key, result)
     return result
-  }) as T
+  }) as typeof func
 }
 
 // Medição de performance