diff --git a/source/blender/editors/screen/screen_draw.cc b/source/blender/editors/screen/screen_draw.cc
index 6f332512d90..5edd7ad6220 100644
--- a/source/blender/editors/screen/screen_draw.cc
+++ b/source/blender/editors/screen/screen_draw.cc
@@ -353,72 +353,3 @@ void screen_draw_split_preview(ScrArea *area, const eScreenAxis dir_axis, const
 
   immUnbindProgram();
 }
-
-/* -------------------------------------------------------------------- */
-/* Screen Thumbnail Preview */
-
-/**
- * Calculates a scale factor to squash the preview for \a screen into a rectangle
- * of given size and aspect.
- */
-static void screen_preview_scale_get(
-    const bScreen *screen, float size_x, float size_y, const float asp[2], float r_scale[2])
-{
-  float max_x = 0, max_y = 0;
-
-  LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
-    max_x = MAX2(max_x, area->totrct.xmax);
-    max_y = MAX2(max_y, area->totrct.ymax);
-  }
-  r_scale[0] = (size_x * asp[0]) / max_x;
-  r_scale[1] = (size_y * asp[1]) / max_y;
-}
-
-static void screen_preview_draw_areas(const bScreen *screen,
-                                      const float scale[2],
-                                      const float col[4],
-                                      const float ofs_between_areas)
-{
-  const float ofs_h = ofs_between_areas * 0.5f;
-  uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
-
-  immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
-  immUniformColor4fv(col);
-
-  LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
-    rctf rect{};
-    rect.xmin = area->totrct.xmin * scale[0] + ofs_h;
-    rect.xmax = area->totrct.xmax * scale[0] - ofs_h;
-    rect.ymin = area->totrct.ymin * scale[1] + ofs_h;
-    rect.ymax = area->totrct.ymax * scale[1] - ofs_h;
-
-    immBegin(GPU_PRIM_TRI_FAN, 4);
-    immVertex2f(pos, rect.xmin, rect.ymin);
-    immVertex2f(pos, rect.xmax, rect.ymin);
-    immVertex2f(pos, rect.xmax, rect.ymax);
-    immVertex2f(pos, rect.xmin, rect.ymax);
-    immEnd();
-  }
-
-  immUnbindProgram();
-}
-
-static void screen_preview_draw(const bScreen *screen, int size_x, int size_y)
-{
-  const float asp[2] = {1.0f, 0.8f}; /* square previews look a bit ugly */
-  /* could use theme color (tui.wcol_menu_item.text),
-   * but then we'd need to regenerate all previews when changing. */
-  const float col[4] = {1.0f, 1.0f, 1.0f, 1.0f};
-  float scale[2];
-
-  wmOrtho2(0.0f, size_x, 0.0f, size_y);
-  /* center */
-  GPU_matrix_push();
-  GPU_matrix_identity_set();
-  GPU_matrix_translate_2f(size_x * (1.0f - asp[0]) * 0.5f, size_y * (1.0f - asp[1]) * 0.5f);
-
-  screen_preview_scale_get(screen, size_x, size_y, asp, scale);
-  screen_preview_draw_areas(screen, scale, col, 1.5f);
-
-  GPU_matrix_pop();
-}