diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index d8efbe7693..686d3dc321 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -2911,20 +2911,6 @@ void MainFrame::init_menubar_as_editor()
         },
         this);
 
-    // Tolerance Test
-    append_menu_item(
-        m_calib_menu, wxID_ANY, _L("Orca Tolerance Test"), _L("Orca Tolerance Test"),
-        [this](wxCommandEvent &) {
-            m_plater->new_project();
-            m_plater->add_model(false, Slic3r::resources_dir() + "/calib/tolerance_test/OrcaToleranceTest.stl");
-        },
-        "", nullptr,
-        [this]() {
-            return m_plater->is_view3D_shown();
-            ;
-        },
-        this);
-
     // Advance calibrations
     auto advance_menu = new wxMenu();
     append_menu_item(
@@ -2959,7 +2945,7 @@ void MainFrame::init_menubar_as_editor()
     // help
     append_menu_item(
         m_calib_menu, wxID_ANY, _L("Tutorial"), _L("Calibration help"),
-        [this](wxCommandEvent &) { wxLaunchDefaultBrowser("https://github.com/SoftFever/OrcaSlicer/wiki/Calibration", wxBROWSER_NEW_WINDOW); }, "", nullptr,
+        [this](wxCommandEvent &) { wxLaunchDefaultBrowser("https://wiki.bambulab.com/en/bambu-studio/Calibration", wxBROWSER_NEW_WINDOW); }, "", nullptr,
         [this]() {
             return m_plater->is_view3D_shown();
             ;