diff --git a/service-worker.js b/service-worker.js
index 8a587d6..d0997e2 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -232,7 +232,7 @@ class OllamaService {
             const enhancedModels = (data.models || []).map(model => ({
                 ...model,
                 displayName: model.name,
-                size: this.formatBytes(model.size),
+                size: SharedUtils.formatBytes(model.size),
                 capabilities: this.getModelCapabilities(model),
                 family: model.details?.family || 'unknown',
                 parameterSize: model.details?.parameter_size || 'unknown'
@@ -263,11 +263,6 @@ class OllamaService {
         return ModelUtils.isThinkingModel(modelName);
     }
 
-    formatBytes(bytes) {
-        // Use shared utility to eliminate code duplication
-        return SharedUtils.formatBytes(bytes);
-    }
-
     async pullModel(modelName, progressCallback = null) {
         try {
             const response = await fetch(`${this.baseURL}/api/pull`, {
diff --git a/settings.js b/settings.js
index 7ab5c0a..b298b53 100644
--- a/settings.js
+++ b/settings.js
@@ -458,7 +458,7 @@ class SideLlamaSettings {
         }
 
         const modelElements = models.map(model => {
-            const memoryUsage = this.formatBytes(model.size_vram || model.size || 0);
+            const memoryUsage = SharedUtils.formatBytes(model.size_vram || model.size || 0);
             const duration = model.expires_at ? this.formatDuration(new Date(model.expires_at) - new Date()) : 'Indefinite';
             
             return `
@@ -477,11 +477,6 @@ class SideLlamaSettings {
         this.runningModelsList.innerHTML = modelElements;
     }
 
-    formatBytes(bytes) {
-        // Use shared utility to eliminate code duplication
-        return SharedUtils.formatBytes(bytes);
-    }
-
     formatDuration(ms) {
         if (ms < 0) return 'Expired';
         const minutes = Math.floor(ms / 60000);