diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index 0e215ecc61..3c43aa300a 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -12,8 +12,6 @@
 #define ENABLE_RENDER_SELECTION_CENTER 0
 // Shows an imgui dialog with camera related data
 #define ENABLE_CAMERA_STATISTICS 0
-// Render the picking pass instead of the main scene (use [T] key to toggle between regular rendering and picking pass only rendering)
-#define ENABLE_RENDER_PICKING_PASS 0
 // Enable extracting thumbnails from selected gcode and save them as png files
 #define ENABLE_THUMBNAIL_GENERATOR_DEBUG 0
 // Disable synchronization of unselected instances
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 2a571364cb..bd9bc3cfe6 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -1177,9 +1177,6 @@ GLCanvas3D::GLCanvas3D(wxGLCanvas* canvas, Bed3D &bed)
     , m_tab_down(false)
     , m_cursor_type(Standard)
     , m_reload_delayed(false)
-#if ENABLE_RENDER_PICKING_PASS
-    , m_show_picking_texture(false)
-#endif // ENABLE_RENDER_PICKING_PASS
     , m_render_sla_auxiliaries(true)
     , m_labels(*this)
     , m_slope(m_volumes)
@@ -1674,10 +1671,6 @@ void GLCanvas3D::render()
 #endif // ENABLE_RAYCAST_PICKING_DEBUG
     }
 
-#if ENABLE_RENDER_PICKING_PASS
-    if (!m_picking_enabled || !m_show_picking_texture) {
-#endif // ENABLE_RENDER_PICKING_PASS
-
     const bool is_looking_downward = camera.is_looking_downward();
 
     // draw scene
@@ -1722,9 +1715,6 @@ void GLCanvas3D::render()
 #else
         _render_bed(true, true);
 #endif // ENABLE_LEGACY_OPENGL_REMOVAL
-#if ENABLE_RENDER_PICKING_PASS
-    }
-#endif // ENABLE_RENDER_PICKING_PASS
 
 #if ENABLE_RAYCAST_PICKING_DEBUG
     if (m_picking_enabled && !m_mouse.dragging)
@@ -2790,14 +2780,6 @@ void GLCanvas3D::on_char(wxKeyEvent& evt)
         }
         case 'O':
         case 'o': { _update_camera_zoom(-1.0); break; }
-#if ENABLE_RENDER_PICKING_PASS
-        case 'T':
-        case 't': {
-            m_show_picking_texture = !m_show_picking_texture;
-            m_dirty = true;
-            break;
-        }
-#endif // ENABLE_RENDER_PICKING_PASS
         case 'Z':
         case 'z': {
             if (!m_selection.is_empty())
diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index 8835285ec2..86989b80dd 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -539,10 +539,6 @@ private:
 
     bool m_reload_delayed;
 
-#if ENABLE_RENDER_PICKING_PASS
-    bool m_show_picking_texture;
-#endif // ENABLE_RENDER_PICKING_PASS
-
     RenderStats m_render_stats;
 
     int m_imgui_undo_redo_hovered_pos{ -1 };
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp b/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
index ec5ef23352..5f5ee9f926 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
@@ -133,10 +133,6 @@ void GLGizmoHollow::on_unregister_raycasters_for_picking()
 void GLGizmoHollow::on_render_for_picking()
 {
     const Selection& selection = m_parent.get_selection();
-//#if ENABLE_RENDER_PICKING_PASS
-//    m_z_shift = selection.get_first_volume()->get_sla_shift_z();
-//#endif
-
     glsafe(::glEnable(GL_DEPTH_TEST));
     render_points(selection, true);
 }
diff --git a/src/slic3r/GUI/KBShortcutsDialog.cpp b/src/slic3r/GUI/KBShortcutsDialog.cpp
index ba3f6675fd..d19925f313 100644
--- a/src/slic3r/GUI/KBShortcutsDialog.cpp
+++ b/src/slic3r/GUI/KBShortcutsDialog.cpp
@@ -172,10 +172,6 @@ void KBShortcutsDialog::fill_shortcuts()
             { ctrl + "M", L("Show/Hide 3Dconnexion devices settings dialog") },
 #endif // __APPLE__
 #endif // _WIN32
-#if ENABLE_RENDER_PICKING_PASS
-            // Don't localize debugging texts.
-            { "P", "Toggle picking pass texture rendering on/off" },
-#endif // ENABLE_RENDER_PICKING_PASS
         };
 
         m_full_shortcuts.push_back({ { _L("Plater"), "" }, plater_shortcuts });