diff --git a/src/slic3r/GUI/ParamsPanel.cpp b/src/slic3r/GUI/ParamsPanel.cpp
index a3f12c1647..5ecc2d4d3c 100644
--- a/src/slic3r/GUI/ParamsPanel.cpp
+++ b/src/slic3r/GUI/ParamsPanel.cpp
@@ -190,15 +190,6 @@ void TipsDialog::on_dpi_changed(const wxRect &suggested_rect)
     Refresh();
 }
 
-void TipsDialog::on_ok(wxMouseEvent &event)
-{
-    if (m_show_again) {
-        if (!m_app_key.empty())
-        wxGetApp().app_config->set_bool(m_app_key, m_show_again);
-    }
-    EndModal(wxID_OK);
-}
-
 void ParamsPanel::Highlighter::set_timer_owner(wxEvtHandler *owner, int timerid /* = wxID_ANY*/)
 {
     m_timer.SetOwner(owner, timerid);
diff --git a/src/slic3r/GUI/ParamsPanel.hpp b/src/slic3r/GUI/ParamsPanel.hpp
index 61e13956a5..b2d2065a39 100644
--- a/src/slic3r/GUI/ParamsPanel.hpp
+++ b/src/slic3r/GUI/ParamsPanel.hpp
@@ -56,7 +56,6 @@ public:
 
 protected:
     void on_dpi_changed(const wxRect &suggested_rect) override;
-    void on_ok(wxMouseEvent &event);
     wxBoxSizer *create_item_checkbox(wxString title, wxWindow *parent, wxString tooltip, std::string param);
     Button* add_button(wxWindowID btn_id, const wxString &label, bool set_focus = false);
 };