diff --git a/swad_attendance.c b/swad_attendance.c
index 3fc255133..ce4937e8b 100644
--- a/swad_attendance.c
+++ b/swad_attendance.c
@@ -847,7 +847,6 @@ void Att_AskRemAttEvent (void)
    extern const char *Txt_Remove_event;
    struct Att_Events Events;
    struct Att_Event Event;
-   Grp_WhichGroups_t WhichGroups;
 
    /***** Reset attendance events *****/
    Att_ResetEvents (&Events);
@@ -864,20 +863,12 @@ void Att_AskRemAttEvent (void)
    /***** Get data of the attendance event from database *****/
    Att_GetDataOfAttEventByCodAndCheckCrs (&Event);
 
-   /***** Button of confirmation of removing *****/
-   Frm_BeginForm (ActRemAtt);
-      Att_PutParamAttCod (Event.AttCod);
-      Dat_PutHiddenParamOrder (Events.SelectedOrder);
-      WhichGroups = Grp_GetParamWhichGroups ();
-      Grp_PutParamWhichGroups (&WhichGroups);
-      Pag_PutHiddenParamPagNum (Pag_ATT_EVENTS,Events.CurrentPage);
-
-      /* Ask for confirmation of removing */
-      Ale_ShowAlert (Ale_WARNING,Txt_Do_you_really_want_to_remove_the_event_X,
-		     Event.Title);
-
-      Btn_PutRemoveButton (Txt_Remove_event);
-   Frm_EndForm ();
+   /***** Show question and button to remove event *****/
+   Ale_ShowAlertAndButton (ActRemAtt,NULL,NULL,
+                           Att_PutParams,&Events,
+			   Btn_REMOVE_BUTTON,Txt_Remove_event,
+			   Ale_QUESTION,Txt_Do_you_really_want_to_remove_the_event_X,
+	                   Event.Title);
 
    /***** Show attendance events again *****/
    Att_SeeAttEvents ();
diff --git a/swad_changelog.h b/swad_changelog.h
index 00e40da45..1986f0d84 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -606,11 +606,11 @@ TODO: Fix bug: error al enviar un mensaje a dos recipientes, error on duplicate
 
 TODO: Attach pdf files in multimedia.
 */
-#define Log_PLATFORM_VERSION	"SWAD 22.39.1 (2022-10-02)"
+#define Log_PLATFORM_VERSION	"SWAD 22.39.2 (2022-10-02)"
 #define CSS_FILE		"swad22.35.css"
 #define JS_FILE			"swad21.100.js"
 /*
-	Version 22.39.2:  Oct 02, 2022  TODO: El botón de "Eliminar evento" debería salir dentro del diálogo. (? lines)
+	Version 22.39.2:  Oct 02, 2022  Changes in dialog to reset an attendance event. (? lines)
 	Version 22.39.1:  Oct 02, 2022  Changes in dialog to reset a survey. (332527 lines)
 	Version 22.39:    Oct 02, 2022  Code refactoring and changes in layout of attendance events. (332537 lines)
 	Version 22.38:    Oct 02, 2022  Code refactoring and changes in layout of surveys. (332518 lines)