diff --git a/src/apprt/gtk/Surface.zig b/src/apprt/gtk/Surface.zig
index b0b317199..2286ecd2b 100644
--- a/src/apprt/gtk/Surface.zig
+++ b/src/apprt/gtk/Surface.zig
@@ -403,12 +403,9 @@ pub fn unref(self: *Surface) void {
     c.g_object_unref(self.gl_area);
 }
 
-// TODO: move this
-/// Change the container for the surface to `container`.
-pub fn setContainer(self: *Surface, container: Container) void {
-    self.container = container;
-
-    // TODO: do we need to ever update our title or anything here?
+pub fn destroy(self: *Surface, alloc: Allocator) void {
+    self.deinit();
+    alloc.destroy(self);
 }
 
 fn render(self: *Surface) !void {
diff --git a/src/apprt/gtk/Tab.zig b/src/apprt/gtk/Tab.zig
index 4b7ef5ccb..d8c006ce7 100644
--- a/src/apprt/gtk/Tab.zig
+++ b/src/apprt/gtk/Tab.zig
@@ -97,7 +97,7 @@ pub fn init(self: *Tab, window: *Window, parent_: ?*CoreSurface) !void {
         .parent2 = parent_,
     });
     errdefer surface.unref();
-    surface.setContainer(.{ .tab_ = self });
+    surface.container = .{ .tab_ = self };
     self.elem = .{ .surface = surface };
 
     // Add Surface to the Tab