diff --git a/index.html b/index.html
index 5a262a6..e40da8a 100644
--- a/index.html
+++ b/index.html
@@ -557,7 +557,6 @@
 
     <!-- Utils (global) -->
     <script src="/js/utils/logger.js"></script>
-    <script src="/js/core/state.js"></script>
     
     <!-- Main app (legacy - mantido para compatibilidade) -->
     <script src="/app.js"></script>
diff --git a/public/js/core/state.js b/public/js/core/state.js
index f53ee89..02d6801 100644
--- a/public/js/core/state.js
+++ b/public/js/core/state.js
@@ -1,121 +1,9 @@
 /**
  * Application State Management
  * Central state for the entire application
+ * Apenas funções utilitárias - estados são gerenciados em app.js
  */
 
-// Main application state
-var appState = {
-    history: [],
-    favorites: [],
-    budgetItems: [],
-    currentSection: 'cev',
-    currentTheme: 'dark',
-    expertMode: false,
-    currentSidebarTab: 0
-};
-
-// User preferences (persisted to localStorage)
-var userPreferences = {
-    theme: 'dark',
-    colorScheme: 'default',
-    fontSize: 'medium',
-    fontFamily: 'default'
-};
-
-// Load preferences from localStorage
-function loadPreferences() {
-    try {
-        var saved = localStorage.getItem('acoCalcPreferences');
-        if (saved) {
-            var parsed = JSON.parse(saved);
-            for (var key in parsed) {
-                if (parsed.hasOwnProperty(key)) {
-                    userPreferences[key] = parsed[key];
-                }
-            }
-        }
-    } catch (e) {
-        console.warn('Nao foi possivel carregar preferencias:', e);
-    }
-}
-
-// Save preferences to localStorage
-function savePreferences() {
-    try {
-        localStorage.setItem('acoCalcPreferences', JSON.stringify(userPreferences));
-    } catch (e) {
-        console.warn('Nao foi possivel salvar preferencias:', e);
-    }
-}
-
-// Admin configuration
-var adminConfig = {
-    appName: 'SteelBase',
-    appSubtitle: 'Plataforma Tecnica com Base de Dados de Materiais Brasileiros',
-    footerText: '© 2025 SteelBase v7.5 PROFESSIONAL EDITION - Plataforma Tecnica com Base de Dados de Materiais Brasileiros',
-    themeDefault: 'escuro',
-    modeDefault: 'simples',
-    toolsVisibility: {
-        'cev': true,
-        'seletor': true,
-        'equivalencias': false,
-        'comparativo': false,
-        'parafusos': true,
-        'layout': true,
-        'parafuso-vs-solda': false,
-        'preaquecimento': true,
-        'dureza': true,
-        'charpy': true,
-        'certificado': false,
-        'ultrassom': false,
-        'area-pintura': true,
-        'consumo-tinta': true,
-        'galvanizacao': false,
-        'custo-pintura': true,
-        'secagem': false,
-        'inspecao-pintura': false,
-        'orcamento': true,
-        'peso-rigging': false,
-        'referencia': false
-    }
-};
-
-/**
- * Update app state
- * @param {string} key - State key
- * @param {any} value - New value
- */
-function updateState(key, value) {
-    appState[key] = value;
-}
-
-/**
- * Get state value
- * @param {string} key - State key
- * @returns {any} State value
- */
-function getState(key) {
-    return appState[key];
-}
-
-/**
- * Update user preferences
- * @param {string} key - Preference key
- * @param {any} value - New value
- */
-function updatePreference(key, value) {
-    userPreferences[key] = value;
-}
-
-/**
- * Get preference value
- * @param {string} key - Preference key
- * @returns {any} Preference value
- */
-function getPreference(key) {
-    return userPreferences[key];
-}
-
 /**
  * Check if localStorage is available and has space
  * @returns {object} Storage status
@@ -139,14 +27,5 @@ function checkStorage() {
     }
 }
 
-// Make available globally
-window.appState = appState;
-window.userPreferences = userPreferences;
-window.loadPreferences = loadPreferences;
-window.savePreferences = savePreferences;
-window.adminConfig = adminConfig;
-window.updateState = updateState;
-window.getState = getState;
-window.updatePreference = updatePreference;
-window.getPreference = getPreference;
+// Make available globally (only functions)
 window.checkStorage = checkStorage;
\ No newline at end of file