diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index c75450080..b72dbd32c 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -41,10 +41,6 @@
 //====================
 #define ENABLE_2_4_0_BETA2 1
 
-// Enable modified ImGuiWrapper::slider_float() to create a compound widget where
-// an additional button can be used to set the keyboard focus into the slider
-// to allow the user to type in the desired value
-#define ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT (1 && ENABLE_2_4_0_BETA2)
 // Enable fit print volume command for circular printbeds
 #define ENABLE_ENHANCED_PRINT_VOLUME_FIT (1 && ENABLE_2_4_0_BETA2)
 
diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index 52c1bf929..151e66d4d 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -284,12 +284,7 @@ void GCodeViewer::SequentialView::Marker::render() const
     if (width != last_window_width || length != last_text_length) {
         last_window_width = width;
         last_text_length = length;
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         imgui.set_requires_extra_frame();
-#else
-        wxGetApp().plater()->get_current_canvas3D()->set_as_dirty();
-        wxGetApp().plater()->get_current_canvas3D()->request_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     }
 
     imgui.end();
@@ -3056,12 +3051,7 @@ void GCodeViewer::render_legend(float& legend_height)
                         ImGui::PushStyleVar(ImGuiStyleVar_Alpha, 0.3333f);
 
                     // to avoid the tooltip to change size when moving the mouse
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
                     imgui.set_requires_extra_frame();
-#else
-                    wxGetApp().plater()->get_current_canvas3D()->set_as_dirty();
-                    wxGetApp().plater()->get_current_canvas3D()->request_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
                 }
             }
 
@@ -3792,12 +3782,7 @@ void GCodeViewer::render_legend(float& legend_height)
             if (can_show_mode_button(mode)) {
                 if (imgui.button(label)) {
                     m_time_estimate_mode = mode;
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
                     imgui.set_requires_extra_frame();
-#else
-                    wxGetApp().plater()->get_current_canvas3D()->set_as_dirty();
-                    wxGetApp().plater()->get_current_canvas3D()->request_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
                 }
             }
         };
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 98dd241e4..9fc170ce8 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -731,13 +731,8 @@ void GLCanvas3D::Labels::render(const std::vector<const ModelInstance*>& sorted_
         }
 
         // force re-render while the windows gets to its final size (it takes several frames)
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         if (ImGui::GetWindowContentRegionWidth() + 2.0f * ImGui::GetStyle().WindowPadding.x != ImGui::CalcWindowNextAutoFitSize(ImGui::GetCurrentWindow()).x)
             imgui.set_requires_extra_frame();
-#else
-        if (ImGui::GetWindowContentRegionWidth() + 2.0f * ImGui::GetStyle().WindowPadding.x != ImGui::CalcWindowNextAutoFitSize(ImGui::GetCurrentWindow()).x)
-            m_canvas.request_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
         imgui.end();
         ImGui::PopStyleColor();
@@ -783,13 +778,8 @@ void GLCanvas3D::Tooltip::render(const Vec2d& mouse_position, GLCanvas3D& canvas
     ImGui::TextUnformatted(m_text.c_str());
 
     // force re-render while the windows gets to its final size (it may take several frames) or while hidden
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     if (alpha < 1.0f || ImGui::GetWindowContentRegionWidth() + 2.0f * ImGui::GetStyle().WindowPadding.x != ImGui::CalcWindowNextAutoFitSize(ImGui::GetCurrentWindow()).x)
         imgui.set_requires_extra_frame();
-#else
-    if (alpha < 1.0f || ImGui::GetWindowContentRegionWidth() + 2.0f * ImGui::GetStyle().WindowPadding.x != ImGui::CalcWindowNextAutoFitSize(ImGui::GetCurrentWindow()).x)
-        canvas.request_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     size = ImGui::GetWindowSize();
 
@@ -2244,29 +2234,20 @@ void GLCanvas3D::on_idle(wxIdleEvent& evt)
     m_dirty |= wxGetApp().plater()->get_notification_manager()->update_notifications(*this);
     auto gizmo = wxGetApp().plater()->canvas3D()->get_gizmos_manager().get_current();
     if (gizmo != nullptr) m_dirty |= gizmo->update_items_state();
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     // ImGuiWrapper::m_requires_extra_frame may have been set by a render made outside of the OnIdle mechanism
     bool imgui_requires_extra_frame = wxGetApp().imgui()->requires_extra_frame();
     m_dirty |= imgui_requires_extra_frame;
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     if (!m_dirty)
         return;
 
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     // this needs to be done here.
     // during the render launched by the refresh the value may be set again 
     wxGetApp().imgui()->reset_requires_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     _refresh_if_shown_on_screen();
 
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     if (m_extra_frame_requested || mouse3d_controller_applied || imgui_requires_extra_frame || wxGetApp().imgui()->requires_extra_frame()) {
-#else
-    if (m_extra_frame_requested || mouse3d_controller_applied) {
-        m_dirty = true;
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         m_extra_frame_requested = false;
         evt.RequestMore();
     }
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp b/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp
index d2c32d488..b884d154d 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp
@@ -167,11 +167,7 @@ void GLGizmoCut::on_render_input_window(float x, float y, float bottom_limit)
     ImGui::SetWindowPos(ImVec2(x, y), ImGuiCond_Always);
     if (last_h != win_h || last_y != y) {
         // ask canvas for another frame to render the window in the correct position
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         m_imgui->set_requires_extra_frame();
-#else
-        m_parent.request_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         if (last_h != win_h)
             last_h = win_h;
         if (last_y != y)
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp b/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
index cb8ccf282..d79d193d9 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
@@ -134,12 +134,8 @@ void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_l
     caption_max    += m_imgui->scaled(1.f);
 
     const float sliders_left_width = std::max(std::max(autoset_slider_left, smart_fill_slider_left), std::max(cursor_slider_left, clipping_slider_left));
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     const float slider_icon_width  = m_imgui->get_slider_icon_size().x;
     float       window_width       = minimal_slider_width + sliders_left_width + slider_icon_width;
-#else
-    float       window_width       = minimal_slider_width + sliders_left_width;
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     window_width = std::max(window_width, total_text_max);
     window_width = std::max(window_width, button_width);
     window_width = std::max(window_width, split_triangles_checkbox_width);
@@ -174,15 +170,10 @@ void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_l
     float slider_start_position_y = std::max(position_before_text_y, position_after_text_y - slider_height);
     ImGui::SetCursorPosY(slider_start_position_y);
 
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
     wxString tooltip = format_wxstr(_L("Preselects faces by overhang angle. It is possible to restrict paintable facets to only preselected faces when "
             "the option \"%1%\" is enabled."), m_desc["on_overhangs_only"]);
     if (m_imgui->slider_float("##angle_threshold_deg", &m_highlight_by_angle_threshold_deg, 0.f, 90.f, format_str.data(), 1.0f, true, tooltip)) {
-#else
-    ImGui::PushItemWidth(window_width - sliders_left_width);
-    if (m_imgui->slider_float("##angle_threshold_deg", &m_highlight_by_angle_threshold_deg, 0.f, 90.f, format_str.data())) {
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         m_parent.set_slope_normal_angle(90.f - m_highlight_by_angle_threshold_deg);
         if (! m_parent.is_using_slope()) {
             m_parent.use_slope(true);
@@ -194,11 +185,6 @@ void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_l
     ImGui::SetCursorPosY(std::max(position_before_text_y + slider_height, position_after_text_y));
 
     const float max_tooltip_width = ImGui::GetFontSize() * 20.0f;
-#if !ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
-    if (ImGui::IsItemHovered())
-        m_imgui->tooltip(format_wxstr(_L("Preselects faces by overhang angle. It is possible to restrict paintable facets to only preselected faces when "
-                                           "the option \"%1%\" is enabled."), m_desc["on_overhangs_only"]), max_tooltip_width);
-#endif // !ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     m_imgui->disabled_begin(m_highlight_by_angle_threshold_deg == 0.f);
     ImGui::NewLine();
@@ -280,15 +266,8 @@ void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_l
         ImGui::AlignTextToFramePadding();
         m_imgui->text(m_desc.at("cursor_size"));
         ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
         m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f", 1.0f, true, _L("Alt + Mouse wheel"));
-#else
-        ImGui::PushItemWidth(window_width - sliders_left_width);
-        m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f");
-        if (ImGui::IsItemHovered())
-            m_imgui->tooltip(_L("Alt + Mouse wheel"), max_tooltip_width);
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
         m_imgui->checkbox(m_desc["split_triangles"], m_triangle_splitting_enabled);
 
@@ -302,22 +281,12 @@ void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_l
         m_imgui->text(m_desc["smart_fill_angle"] + ":");
 
         ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
         if (m_imgui->slider_float("##smart_fill_angle", &m_smart_fill_angle, SmartFillAngleMin, SmartFillAngleMax, format_str.data(), 1.0f, true, _L("Alt + Mouse wheel")))
-#else
-        ImGui::PushItemWidth(window_width - sliders_left_width);
-        if (m_imgui->slider_float("##smart_fill_angle", &m_smart_fill_angle, SmartFillAngleMin, SmartFillAngleMax, format_str.data()))
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
             for (auto &triangle_selector : m_triangle_selectors) {
                 triangle_selector->seed_fill_unselect_all_triangles();
                 triangle_selector->request_update_render_data();
             }
-
-#if !ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
-        if (ImGui::IsItemHovered())
-            m_imgui->tooltip(_L("Alt + Mouse wheel"), max_tooltip_width);
-#endif // !ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     }
 
     ImGui::Separator();
@@ -335,18 +304,9 @@ void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_l
 
     auto clp_dist = float(m_c->object_clipper()->get_position());
     ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
     if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f", 1.0f, true, _L("Ctrl + Mouse wheel")))
         m_c->object_clipper()->set_position(clp_dist, true);
-#else
-    ImGui::PushItemWidth(window_width - sliders_left_width);
-    if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f"))
-        m_c->object_clipper()->set_position(clp_dist, true);
-
-    if (ImGui::IsItemHovered())
-        m_imgui->tooltip(_L("Ctrl + Mouse wheel"), max_tooltip_width);
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     ImGui::Separator();
     if (m_imgui->button(m_desc.at("remove_all"))) {
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp b/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
index 285089357..69d5ff9ed 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
@@ -312,12 +312,8 @@ void GLGizmoMmuSegmentation::on_render_input_window(float x, float y, float bott
     caption_max    += m_imgui->scaled(1.f);
 
     const float sliders_left_width = std::max(smart_fill_slider_left, std::max(cursor_slider_left, clipping_slider_left));
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     const float slider_icon_width  = m_imgui->get_slider_icon_size().x;
     float       window_width       = minimal_slider_width + sliders_left_width + slider_icon_width;
-#else
-    float       window_width       = minimal_slider_width + sliders_left_width;
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     window_width       = std::max(window_width, total_text_max);
     window_width       = std::max(window_width, button_width);
     window_width       = std::max(window_width, split_triangles_checkbox_width);
@@ -445,15 +441,8 @@ void GLGizmoMmuSegmentation::on_render_input_window(float x, float y, float bott
         ImGui::AlignTextToFramePadding();
         m_imgui->text(m_desc.at("cursor_size"));
         ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
         m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f", 1.0f, true, _L("Alt + Mouse wheel"));
-#else
-        ImGui::PushItemWidth(window_width - sliders_left_width);
-        m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f");
-        if (ImGui::IsItemHovered())
-            m_imgui->tooltip(_L("Alt + Mouse wheel"), max_tooltip_width);
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
         m_imgui->checkbox(m_desc["split_triangles"], m_triangle_splitting_enabled);
 
@@ -469,23 +458,13 @@ void GLGizmoMmuSegmentation::on_render_input_window(float x, float y, float bott
         std::string format_str = std::string("%.f") + I18N::translate_utf8("°", "Degree sign to use in the respective slider in MMU gizmo,"
                                                                                 "placed after the number with no whitespace in between.");
         ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
         if (m_imgui->slider_float("##smart_fill_angle", &m_smart_fill_angle, SmartFillAngleMin, SmartFillAngleMax, format_str.data(), 1.0f, true, _L("Alt + Mouse wheel")))
-#else
-        ImGui::PushItemWidth(window_width - sliders_left_width);
-        if(m_imgui->slider_float("##smart_fill_angle", &m_smart_fill_angle, SmartFillAngleMin, SmartFillAngleMax, format_str.data()))
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
             for (auto &triangle_selector : m_triangle_selectors) {
                 triangle_selector->seed_fill_unselect_all_triangles();
                 triangle_selector->request_update_render_data();
             }
 
-#if !ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
-        if (ImGui::IsItemHovered())
-            m_imgui->tooltip(_L("Alt + Mouse wheel"), max_tooltip_width);
-#endif // !ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
-
         ImGui::Separator();
     }
 
@@ -500,18 +479,9 @@ void GLGizmoMmuSegmentation::on_render_input_window(float x, float y, float bott
 
     auto clp_dist = float(m_c->object_clipper()->get_position());
     ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
     if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f", 1.0f, true, _L("Ctrl + Mouse wheel")))
         m_c->object_clipper()->set_position(clp_dist, true);
-#else
-    ImGui::PushItemWidth(window_width - sliders_left_width);
-    if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f"))
-        m_c->object_clipper()->set_position(clp_dist, true);
-
-    if (ImGui::IsItemHovered())
-        m_imgui->tooltip(_L("Ctrl + Mouse wheel"), max_tooltip_width);
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     ImGui::Separator();
     if (m_imgui->button(m_desc.at("remove_all"))) {
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp
index b11a8bffd..00921aa9c 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp
@@ -105,12 +105,8 @@ void GLGizmoSeam::on_render_input_window(float x, float y, float bottom_limit)
     caption_max    += m_imgui->scaled(1.f);
 
     const float sliders_left_width = std::max(cursor_size_slider_left, clipping_slider_left);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     const float slider_icon_width  = m_imgui->get_slider_icon_size().x;
     float       window_width       = minimal_slider_width + sliders_left_width + slider_icon_width;
-#else
-    float       window_width       = minimal_slider_width + sliders_left_width;
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     window_width = std::max(window_width, total_text_max);
     window_width = std::max(window_width, button_width);
     window_width = std::max(window_width, cursor_type_radio_left + cursor_type_radio_sphere + cursor_type_radio_circle);
@@ -132,15 +128,8 @@ void GLGizmoSeam::on_render_input_window(float x, float y, float bottom_limit)
     ImGui::AlignTextToFramePadding();
     m_imgui->text(m_desc.at("cursor_size"));
     ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
     m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f", 1.0f, true, _L("Alt + Mouse wheel"));
-#else
-    ImGui::PushItemWidth(window_width - sliders_left_width);
-    m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f");
-    if (ImGui::IsItemHovered())
-        m_imgui->tooltip(_L("Alt + Mouse wheel"), max_tooltip_width);
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     ImGui::AlignTextToFramePadding();
     m_imgui->text(m_desc.at("cursor_type"));
@@ -177,18 +166,9 @@ void GLGizmoSeam::on_render_input_window(float x, float y, float bottom_limit)
 
     auto clp_dist = float(m_c->object_clipper()->get_position());
     ImGui::SameLine(sliders_left_width);
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
     if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f", 1.0f, true, _L("Ctrl + Mouse wheel")))
         m_c->object_clipper()->set_position(clp_dist, true);
-#else
-    ImGui::PushItemWidth(window_width - sliders_left_width);
-    if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f"))
-        m_c->object_clipper()->set_position(clp_dist, true);
-
-    if (ImGui::IsItemHovered())
-        m_imgui->tooltip(_L("Ctrl + Mouse wheel"), max_tooltip_width);
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     ImGui::Separator();
     if (m_imgui->button(m_desc.at("remove_all"))) {
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
index 29e1fd2f3..ab35cec9b 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
@@ -644,11 +644,7 @@ RENDER_AGAIN:
     if ((last_h != win_h) || (last_y != y))
     {
         // ask canvas for another frame to render the window in the correct position
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         m_imgui->set_requires_extra_frame();
-#else
-        m_parent.request_extra_frame();
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
         if (last_h != win_h)
             last_h = win_h;
         if (last_y != y)
diff --git a/src/slic3r/GUI/ImGuiWrapper.cpp b/src/slic3r/GUI/ImGuiWrapper.cpp
index a01e2ed69..e1563156b 100644
--- a/src/slic3r/GUI/ImGuiWrapper.cpp
+++ b/src/slic3r/GUI/ImGuiWrapper.cpp
@@ -8,10 +8,8 @@
 #include <boost/format.hpp>
 #include <boost/log/trivial.hpp>
 #include <boost/filesystem.hpp>
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/nowide/convert.hpp>
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
 #include <wx/string.h>
 #include <wx/event.h>
@@ -51,11 +49,9 @@ static const std::map<const wchar_t, std::string> font_icons = {
     {ImGui::MinimalizeHoverButton , "notification_minimalize_hover" },
     {ImGui::RightArrowButton      , "notification_right"            },
     {ImGui::RightArrowHoverButton , "notification_right_hover"      },
-    {ImGui::PreferencesButton      , "notification_preferences"      },
-    {ImGui::PreferencesHoverButton , "notification_preferences_hover"},
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
-    {ImGui::SliderFloatEditBtnIcon, "edit_button"                    },
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
+    {ImGui::PreferencesButton     , "notification_preferences"      },
+    {ImGui::PreferencesHoverButton, "notification_preferences_hover"},
+    {ImGui::SliderFloatEditBtnIcon, "edit_button"                   },
 };
 static const std::map<const wchar_t, std::string> font_icons_large = {
     {ImGui::CloseNotifButton        , "notification_close"              },
@@ -483,7 +479,6 @@ void ImGuiWrapper::tooltip(const wxString &label, float wrap_width)
     ImGui::EndTooltip();
 }
 
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 ImVec2 ImGuiWrapper::get_slider_icon_size() const
 {
     return this->calc_button_size(std::wstring(&ImGui::SliderFloatEditBtnIcon, 1));
@@ -560,26 +555,6 @@ bool ImGuiWrapper::slider_float(const wxString& label, float* v, float v_min, fl
     auto label_utf8 = into_u8(label);
     return this->slider_float(label_utf8.c_str(), v, v_min, v_max, format, power, clamp, tooltip, show_edit_btn);
 }
-#else
-bool ImGuiWrapper::slider_float(const char* label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/)
-{
-    bool ret = ImGui::SliderFloat(label, v, v_min, v_max, format, power);
-    if (clamp)
-        *v = std::clamp(*v, v_min, v_max);
-    return ret;
-}
-
-bool ImGuiWrapper::slider_float(const std::string& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/)
-{
-    return this->slider_float(label.c_str(), v, v_min, v_max, format, power, clamp);
-}
-
-bool ImGuiWrapper::slider_float(const wxString& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/)
-{
-    auto label_utf8 = into_u8(label);
-    return this->slider_float(label_utf8.c_str(), v, v_min, v_max, format, power, clamp);
-}
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
 bool ImGuiWrapper::combo(const wxString& label, const std::vector<std::string>& options, int& selection)
 {
diff --git a/src/slic3r/GUI/ImGuiWrapper.hpp b/src/slic3r/GUI/ImGuiWrapper.hpp
index 255c4171b..d75d6529a 100644
--- a/src/slic3r/GUI/ImGuiWrapper.hpp
+++ b/src/slic3r/GUI/ImGuiWrapper.hpp
@@ -33,9 +33,7 @@ class ImGuiWrapper
     unsigned m_mouse_buttons{ 0 };
     bool m_disabled{ false };
     bool m_new_frame_open{ false };
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     bool m_requires_extra_frame{ false };
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     std::string m_clipboard_text;
 
 public:
@@ -103,16 +101,10 @@ public:
     void tooltip(const wxString &label, float wrap_width);
 
     // Float sliders: Manually inserted values aren't clamped by ImGui.Using this wrapper function does (when clamp==true).
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     ImVec2 get_slider_icon_size() const;
     bool slider_float(const char* label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f, bool clamp = true, const wxString& tooltip = {}, bool show_edit_btn = true);
     bool slider_float(const std::string& label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f, bool clamp = true, const wxString& tooltip = {}, bool show_edit_btn = true);
     bool slider_float(const wxString& label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f, bool clamp = true, const wxString& tooltip = {}, bool show_edit_btn = true);
-#else
-    bool slider_float(const char* label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f, bool clamp = true);
-    bool slider_float(const std::string& label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f, bool clamp = true);
-    bool slider_float(const wxString& label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f,  bool clamp = true);
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     bool combo(const wxString& label, const std::vector<std::string>& options, int& selection);   // Use -1 to not mark any option as selected
     bool undo_redo_list(const ImVec2& size, const bool is_undo, bool (*items_getter)(const bool, int, const char**), int& hovered, int& selected, int& mouse_wheel);
@@ -128,11 +120,9 @@ public:
     bool want_text_input() const;
     bool want_any_input() const;
 
-#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
     bool requires_extra_frame() const { return m_requires_extra_frame; }
     void set_requires_extra_frame() { m_requires_extra_frame = true; }
     void reset_requires_extra_frame() { m_requires_extra_frame = false; }
-#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
 
     static const ImVec4 COL_GREY_DARK;
     static const ImVec4 COL_GREY_LIGHT;