diff --git a/Composer/packages/tools/language-servers/language-generation/src/LGServer.ts b/Composer/packages/tools/language-servers/language-generation/src/LGServer.ts
index 60415b7282..ed2fa14dba 100644
--- a/Composer/packages/tools/language-servers/language-generation/src/LGServer.ts
+++ b/Composer/packages/tools/language-servers/language-generation/src/LGServer.ts
@@ -278,11 +278,11 @@ export class LGServer {
       const curLocale = this.getLocale(fileId);
       const fileIdWitoutLocale = this.removeLocaleInId(fileId);
       const lgTextFiles = projectId ? this.getLgResources(projectId) : [];
+      this._templateDefinitions = {};
       for (const file of lgTextFiles) {
         //Only stroe templates in other LG files
         if (this.removeLocaleInId(file.id) !== fileIdWitoutLocale && this.getLocale(file.id) === curLocale) {
           const lgTemplates = await this._lgParser.parse(file.id, file.content, lgTextFiles);
-          this._templateDefinitions = {};
           for (const template of lgTemplates.templates) {
             this._templateDefinitions[template.name] = {
               fileId: file.id,