diff --git a/apps/documenteditor/main/app/controller/LeftMenu.js b/apps/documenteditor/main/app/controller/LeftMenu.js
index 08cc58f487..bcb9e0e020 100644
--- a/apps/documenteditor/main/app/controller/LeftMenu.js
+++ b/apps/documenteditor/main/app/controller/LeftMenu.js
@@ -314,7 +314,6 @@ define([
                 options.asc_setTextParams(textParams);
                 if (format == Asc.c_oAscFileType.TXT || format == Asc.c_oAscFileType.RTF) {
                     Common.UI.warning({
-                        closable: false,
                         title: this.notcriticalErrorTitle,
                         msg: (format == Asc.c_oAscFileType.TXT) ? this.warnDownloadAs : this.warnDownloadAsRTF,
                         buttons: ['ok', 'cancel'],
diff --git a/apps/documenteditor/main/app/controller/Toolbar.js b/apps/documenteditor/main/app/controller/Toolbar.js
index 170f308240..a66896dd93 100644
--- a/apps/documenteditor/main/app/controller/Toolbar.js
+++ b/apps/documenteditor/main/app/controller/Toolbar.js
@@ -1289,7 +1289,6 @@ define([
                     !Common.Utils.ModalWindow.isVisible() &&
                     Common.UI.warning({
                         width: 500,
-                        closable: false,
                         msg: this.confirmAddFontName,
                         buttons: ['yes', 'no'],
                         primary: 'yes',
diff --git a/apps/presentationeditor/main/app/controller/Toolbar.js b/apps/presentationeditor/main/app/controller/Toolbar.js
index a36e7b6ed2..4d863cbf0c 100644
--- a/apps/presentationeditor/main/app/controller/Toolbar.js
+++ b/apps/presentationeditor/main/app/controller/Toolbar.js
@@ -1272,7 +1272,6 @@ define([
                     !Common.Utils.ModalWindow.isVisible() &&
                     Common.UI.warning({
                         width: 500,
-                        closable: false,
                         msg: this.confirmAddFontName,
                         buttons: ['yes', 'no'],
                         primary: 'yes',
diff --git a/apps/spreadsheeteditor/main/app/controller/Toolbar.js b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
index b85de925ee..834cfd680c 100644
--- a/apps/spreadsheeteditor/main/app/controller/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
@@ -1573,7 +1573,6 @@ define([
                     !Common.Utils.ModalWindow.isVisible() &&
                     Common.UI.warning({
                         width: 500,
-                        closable: false,
                         msg: this.confirmAddFontName,
                         buttons: ['yes', 'no'],
                         primary: 'yes',