5 files changed, 0 insertions, 69 deletions

diff --git a/source/blender/blenkernel/intern/screen.c b/source/blender/blenkernel/intern/screen.c
index e68354dbede..16be894f9ad 100644
--- a/source/blender/blenkernel/intern/screen.c
+++ b/source/blender/blenkernel/intern/screen.c
@@ -435,10 +435,6 @@ ARegion *BKE_area_region_copy(SpaceType *st, ARegion *region)
     }
   }
 
-  if (region->v2d.tab_offset) {
-    newar->v2d.tab_offset = MEM_dupallocN(region->v2d.tab_offset);
-  }
-
   panel_list_copy(&newar->panels, &region->panels);
 
   BLI_listbase_clear(&newar->ui_previews);
@@ -623,11 +619,6 @@ void BKE_area_region_free(SpaceType *st, ARegion *region)
     region->type->free(region);
   }
 
-  if (region->v2d.tab_offset) {
-    MEM_freeN(region->v2d.tab_offset);
-    region->v2d.tab_offset = NULL;
-  }
-
   BKE_area_region_panels_free(&region->panels);
 
   for (uilst = region->ui_lists.first; uilst; uilst = uilst->next) {
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index bec055803ed..5a995b3d750 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -4974,9 +4974,6 @@ static void direct_link_region(BlendDataReader *reader, ARegion *region, int spa
     }
   }
 
-  region->v2d.tab_offset = NULL;
-  region->v2d.tab_num = 0;
-  region->v2d.tab_cur = 0;
   region->v2d.sms = NULL;
   region->v2d.alpha_hor = region->v2d.alpha_vert = 255; /* visible by default */
   BLI_listbase_clear(&region->panels_category);
diff --git a/source/blender/editors/include/UI_view2d.h b/source/blender/editors/include/UI_view2d.h
index d14731b81b7..8df29e5b520 100644
--- a/source/blender/editors/include/UI_view2d.h
+++ b/source/blender/editors/include/UI_view2d.h
@@ -131,9 +131,6 @@ void UI_view2d_totRect_set_resize(struct View2D *v2d, int width, int height, boo
 
 void UI_view2d_mask_from_win(const struct View2D *v2d, struct rcti *r_mask);
 
-/* per tab offsets, returns 1 if tab changed */
-bool UI_view2d_tab_set(struct View2D *v2d, int tab);
-
 void UI_view2d_zoom_cache_reset(void);
 
 /* view matrix operations */
diff --git a/source/blender/editors/interface/view2d.c b/source/blender/editors/interface/view2d.c
index ec20aa8b55c..dddd6446c0e 100644
--- a/source/blender/editors/interface/view2d.c
+++ b/source/blender/editors/interface/view2d.c
@@ -1046,53 +1046,6 @@ void UI_view2d_totRect_set(View2D *v2d, int width, int height)
   UI_view2d_totRect_set_resize(v2d, width, height, false);
 }
 
-bool UI_view2d_tab_set(View2D *v2d, int tab)
-{
-  float default_offset[2] = {0.0f, 0.0f};
-  float *offset, *new_offset;
-  bool changed = false;
-
-  /* if tab changed, change offset */
-  if (tab != v2d->tab_cur && v2d->tab_offset) {
-    if (tab < v2d->tab_num) {
-      offset = &v2d->tab_offset[tab * 2];
-    }
-    else {
-      offset = default_offset;
-    }
-
-    v2d->cur.xmax += offset[0] - v2d->cur.xmin;
-    v2d->cur.xmin = offset[0];
-
-    v2d->cur.ymin += offset[1] - v2d->cur.ymax;
-    v2d->cur.ymax = offset[1];
-
-    /* validation should happen in subsequent totRect_set */
-
-    changed = true;
-  }
-
-  /* resize array if needed */
-  if (tab >= v2d->tab_num) {
-    new_offset = MEM_callocN(sizeof(float) * (tab + 1) * 2, "view2d tab offset");
-
-    if (v2d->tab_offset) {
-      memcpy(new_offset, v2d->tab_offset, sizeof(float) * v2d->tab_num * 2);
-      MEM_freeN(v2d->tab_offset);
-    }
-
-    v2d->tab_offset = new_offset;
-    v2d->tab_num = tab + 1;
-  }
-
-  /* set current tab and offset */
-  v2d->tab_cur = tab;
-  v2d->tab_offset[2 * tab + 0] = v2d->cur.xmin;
-  v2d->tab_offset[2 * tab + 1] = v2d->cur.ymax;
-
-  return changed;
-}
-
 void UI_view2d_zoom_cache_reset(void)
 {
   /* TODO(sergey): This way we avoid threading conflict with sequencer rendering
diff --git a/source/blender/makesdna/DNA_view2d_types.h b/source/blender/makesdna/DNA_view2d_types.h
index 63038b6be2d..085f463a1cc 100644
--- a/source/blender/makesdna/DNA_view2d_types.h
+++ b/source/blender/makesdna/DNA_view2d_types.h
@@ -67,13 +67,6 @@ typedef struct View2D {
   /** Pivot point for transforms (rotate and scale). */
   short around;
 
-  /** Different offset per tab, for buttons. */
-  float *tab_offset;
-  /** Number of tabs stored. */
-  int tab_num;
-  /** Current tab. */
-  int tab_cur;
-
   /* Usually set externally (as in, not in view2d files). */
   /** Alpha of vertical and horizontal scrollbars (range is [0, 255]). */
   char alpha_vert, alpha_hor;