diff --git a/packages/@o3r/localization/builders/helpers/localization.generator.ts b/packages/@o3r/localization/builders/helpers/localization.generator.ts
index 821b73d18d..e30aa7cbc0 100644
--- a/packages/@o3r/localization/builders/helpers/localization.generator.ts
+++ b/packages/@o3r/localization/builders/helpers/localization.generator.ts
@@ -6,6 +6,7 @@ import * as fs from 'node:fs';
 import * as glob from 'globby';
 import * as path from 'node:path';
 import * as ts from 'typescript';
+import type { LocalizationExtractorBuilderSchema } from '../localization-extractor/schema';
 
 /** List of Angular decorator to look for */
 const ANGULAR_ANNOTATION = ['Component', 'Injectable', 'Pipe'];
@@ -59,7 +60,7 @@ export class LocalizationExtractor {
 
   private logger: logging.LoggerApi;
 
-  constructor(tsconfigPath: string, logger: logging.LoggerApi) {
+  constructor(tsconfigPath: string, logger: logging.LoggerApi, private options?: Partial<LocalizationExtractorBuilderSchema>) {
     this.tsconfigPath = tsconfigPath;
     this.logger = logger;
   }
@@ -121,6 +122,7 @@ export class LocalizationExtractor {
         }
         return res;
       })
+      .filter(({ref}) => (this.options?.libraries || []).every((lib) => !ref.startsWith(lib)))
       .map(({ref}) => {
         if (!ref.startsWith('.')) {
           try {
diff --git a/packages/@o3r/localization/builders/localization-extractor/index.ts b/packages/@o3r/localization/builders/localization-extractor/index.ts
index b8c681fd39..a483e942ba 100644
--- a/packages/@o3r/localization/builders/localization-extractor/index.ts
+++ b/packages/@o3r/localization/builders/localization-extractor/index.ts
@@ -13,7 +13,7 @@ export * from './schema';
 export default createBuilder<LocalizationExtractorBuilderSchema>(async (options, context): Promise<BuilderOutput> => {
   context.reportRunning();
 
-  const localizationExtractor = new LocalizationExtractor(path.resolve(context.workspaceRoot, options.tsConfig), context.logger);
+  const localizationExtractor = new LocalizationExtractor(path.resolve(context.workspaceRoot, options.tsConfig), context.logger, options);
   const cache: { libs: LibraryMetadataMap; locs: LocalizationFileMap } = {libs: {}, locs: {}};
 
   const execute = async (isFirstLoad = true, files?: { libs?: string[]; locs?: string[]; extraFiles?: string[] }): Promise<BuilderOutput> => {
@@ -28,7 +28,7 @@ export default createBuilder<LocalizationExtractorBuilderSchema>(async (options,
         cache.locs = await localizationExtractor.extractLocalizationFromTsConfig(files && files.extraFiles);
 
         context.reportProgress(STEP_NUMBER, stepValue++, 'Load metadata');
-        cache.libs = files && files.libs ? await localizationExtractor.getMetadataFromLibraries(files.libs) : {};
+        cache.libs = options.isApplication && files && files.libs ? await localizationExtractor.getMetadataFromLibraries(files.libs) : {};
 
       // Load specific files that have changed
       } else {
@@ -46,7 +46,7 @@ export default createBuilder<LocalizationExtractorBuilderSchema>(async (options,
             ...newLocs
           };
         }
-        if (files && files.libs) {
+        if (options.isApplication && files && files.libs) {
           context.reportProgress(STEP_NUMBER, stepValue++, 'reload library metadata');
           const newLibs = await localizationExtractor.getMetadataFromFiles(files.libs);
           cache.libs = {
@@ -139,7 +139,6 @@ export default createBuilder<LocalizationExtractorBuilderSchema>(async (options,
 
     await currentProcess;
 
-    /** SCSS file watcher */
     const watcher = chokidar.watch([...Object.keys(cache.locs), ...(options.extraFilePatterns || [])], {ignoreInitial: true});
     const metadataWatcher = chokidar.watch(Object.keys(cache.libs), {ignoreInitial: true});
     const { include, exclude, cwd } = localizationExtractor.getPatternsFromTsConfig();
diff --git a/packages/@o3r/localization/builders/localization-extractor/schema.json b/packages/@o3r/localization/builders/localization-extractor/schema.json
index 0d351a048b..b6bd91c636 100644
--- a/packages/@o3r/localization/builders/localization-extractor/schema.json
+++ b/packages/@o3r/localization/builders/localization-extractor/schema.json
@@ -50,6 +50,11 @@
       "type": "boolean",
       "description": "Sort metadata alphabetically by keys",
       "default": false
+    },
+    "isApplication": {
+      "type": "boolean",
+      "default": true,
+      "description": "If true, metadata from libraries are added"
     }
   },
   "additionalProperties": false,
diff --git a/packages/@o3r/localization/builders/localization-extractor/schema.ts b/packages/@o3r/localization/builders/localization-extractor/schema.ts
index ab613bf083..d54c761afd 100644
--- a/packages/@o3r/localization/builders/localization-extractor/schema.ts
+++ b/packages/@o3r/localization/builders/localization-extractor/schema.ts
@@ -25,4 +25,7 @@ export interface LocalizationExtractorBuilderSchema extends JsonObject {
 
   /** If true, metadata objects are sorted by keys */
   sortKeys: boolean;
+
+  /** If true, metadata from libraries are added */
+  isApplication: boolean;
 }