diff --git a/Makefile b/Makefile
index 6b0c821..e018f31 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,6 @@ TESTS = \
 	${GOPKG_PREFIX}/graphic \
 	${GOPKG_PREFIX}/grub_theme/font \
 	${GOPKG_PREFIX}/grub_theme/themetxt \
-	${GOPKG_PREFIX}/gtk-thumbnailer \
 	${GOPKG_PREFIX}/hans2pinyin \
 	${GOPKG_PREFIX}/i18n_dependent \
 	${GOPKG_PREFIX}/image-blur \
@@ -63,7 +62,6 @@ BINARIES =  \
     graphic \
     locale-helper \
     hans2pinyin \
-    gtk-thumbnailer \
     sound-theme-player \
     deepin-shutdown-sound \
     dde-open \
diff --git a/gtk-thumbnailer/main.go b/gtk-thumbnailer/main.go
deleted file mode 100644
index 0d77db6..0000000
--- a/gtk-thumbnailer/main.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// SPDX-FileCopyrightText: 2018 - 2022 UnionTech Software Technology Co., Ltd.
-//
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-package main
-
-// #cgo pkg-config: gtk+-3.0
-// #cgo CFLAGS: -W -Wall -fPIC -fstack-protector-all
-// #include <stdlib.h>
-// void gtk_thumbnail(char *theme, char *dest, int width, int min_height);
-import "C"
-
-import (
-	"flag"
-	"fmt"
-	"os"
-	"path/filepath"
-	"unsafe"
-)
-
-var (
-	force  = flag.Bool("force", false, "Force to generate thumbnail")
-	theme  = flag.String("theme", "", "The theme name")
-	dest   = flag.String("dest", "", "The destination of thumbnail file")
-	width  = flag.Int("width", 0, "The thumbnail width")
-	height = flag.Int("height", 0, "The thumbnail min height")
-)
-
-func main() {
-	flag.Parse()
-	if flag.Parsed() {
-
-		if *theme == "" || *dest == "" || *width == 0 || *height == 0 {
-			flag.Usage()
-			os.Exit(1)
-		}
-
-		err := doGenThumbnail(*theme, *dest, *width, *height, *force)
-		if err != nil {
-			fmt.Fprintln(os.Stderr, err)
-			os.Exit(2)
-		}
-	}
-}
-
-func doGenThumbnail(name, dest string, width, height int, force bool) error {
-	if _, err := os.Stat(dest); err != nil {
-		if !os.IsNotExist(err) {
-			return err
-		}
-		// file dest not exist
-	} else {
-		// file dest exist
-		if force {
-			os.Remove(dest)
-		} else {
-			return nil
-		}
-	}
-
-	err := os.MkdirAll(filepath.Dir(dest), 0755)
-	if err != nil {
-		return err
-	}
-	cName := C.CString(name)
-	defer C.free(unsafe.Pointer(cName))
-	cDest := C.CString(dest)
-	defer C.free(unsafe.Pointer(cDest))
-	C.gtk_thumbnail(cName, cDest, C.int(width), C.int(height))
-
-	// check thumbnail result
-	_, err = os.Stat(dest)
-	return err
-}
diff --git a/gtk-thumbnailer/thumbnail.c b/gtk-thumbnailer/thumbnail.c
deleted file mode 100644
index c6fa79a..0000000
--- a/gtk-thumbnailer/thumbnail.c
+++ /dev/null
@@ -1,94 +0,0 @@
-// SPDX-FileCopyrightText: 2018 - 2022 UnionTech Software Technology Co., Ltd.
-//
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include <gtk/gtk.h>
-#include <glib/gprintf.h>
-#include <glib.h>
-#include <stdlib.h>
-
-void append_page(GtkNotebook * notebook, const char *tab_label)
-{
-	GtkWidget *tab_header, *label, *close_button, *child;
-
-	tab_header = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
-	child = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
-
-	label = gtk_label_new(tab_label);
-	close_button =
-	    gtk_button_new_from_icon_name("window-close-symbolic",
-					  GTK_ICON_SIZE_MENU);
-	gtk_button_set_relief(GTK_BUTTON(close_button), GTK_RELIEF_NONE);
-	gtk_box_pack_start(GTK_BOX(tab_header), label, TRUE, TRUE, 0);
-	gtk_box_pack_end(GTK_BOX(tab_header), close_button, FALSE, FALSE, 0);
-
-	gtk_notebook_append_page(notebook, child, tab_header);
-	gtk_container_child_set(GTK_CONTAINER(notebook), child, "tab-expand",
-				TRUE, NULL);
-
-	gtk_widget_show_all(tab_header);
-}
-
-void add_icon_button(GtkHeaderBar * header_bar, const char *icon_name)
-{
-	GtkWidget *button =
-	    gtk_button_new_from_icon_name(icon_name, GTK_ICON_SIZE_BUTTON);
-	gtk_header_bar_pack_end(GTK_HEADER_BAR(header_bar), button);
-}
-
-static void capture(GtkOffscreenWindow * w, GdkEvent * ev, gpointer user_data)
-{
-	char *dest = (char *)user_data;
-
-	GdkWindow *tmp_window = gtk_widget_get_window(GTK_WIDGET(w));
-	cairo_surface_t *tmp_surface =
-	    gdk_offscreen_window_get_surface(tmp_window);
-	if (!tmp_surface) {
-		g_warning("Get offscreen surface failed");
-		return;
-	}
-
-	cairo_status_t status = cairo_surface_write_to_png(tmp_surface, dest);
-	g_printf("write png status: %s\n", cairo_status_to_string(status));
-	gtk_main_quit();
-}
-
-void gtk_thumbnail(char *theme_name, char *dest, int width, int min_height)
-{
-	g_setenv("GTK_THEME", theme_name, TRUE);
-
-	GtkWidget *window;
-	gboolean initialized = gtk_init_check(NULL, NULL);
-	if (!initialized) {
-		return;
-	}
-
-	window = gtk_offscreen_window_new();
-	gtk_window_set_title(GTK_WINDOW(window), "Window");
-	gtk_window_set_default_size(GTK_WINDOW(window), width, min_height);
-
-	// header bar
-	GtkWidget *header = gtk_header_bar_new();
-	gtk_header_bar_set_title(GTK_HEADER_BAR(header), NULL);
-	gtk_header_bar_set_show_close_button(GTK_HEADER_BAR(header), TRUE);
-	gtk_header_bar_set_has_subtitle(GTK_HEADER_BAR(header), FALSE);
-
-	add_icon_button(GTK_HEADER_BAR(header), "open-menu-symbolic");
-	add_icon_button(GTK_HEADER_BAR(header), "system-search-symbolic");
-
-	// notebook pages
-	GtkWidget *notebook = gtk_notebook_new();
-	append_page(GTK_NOTEBOOK(notebook), "Tab 1");
-	append_page(GTK_NOTEBOOK(notebook), "Tab 2");
-
-	GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
-	gtk_box_pack_start(GTK_BOX(vbox), header, TRUE, TRUE, 0);
-	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
-	gtk_container_add(GTK_CONTAINER(window), vbox);
-
-	g_signal_connect(G_OBJECT(window), "damage-event", G_CALLBACK(capture),
-			 dest);
-
-	gtk_widget_show_all(window);
-	gtk_main();
-}