diff --git a/release/datafiles/userdef/userdef_default_theme.c b/release/datafiles/userdef/userdef_default_theme.c
index b5e89d97195..cbe13eac6d9 100644
--- a/release/datafiles/userdef/userdef_default_theme.c
+++ b/release/datafiles/userdef/userdef_default_theme.c
@@ -277,10 +277,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xccccccff),
     .button_text = RGBA(0xccccccff),
@@ -307,10 +304,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -410,10 +404,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -439,10 +430,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -496,10 +484,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -534,10 +519,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x22222200),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -599,10 +581,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -655,10 +634,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -730,10 +706,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -791,10 +764,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -830,10 +800,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x282828b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -864,10 +831,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x1d1d1db3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -931,10 +895,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x1d1d1dff),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -958,10 +919,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -991,10 +949,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -1049,10 +1004,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x181818b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
@@ -1077,10 +1029,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x181818b3),
     .header_text = RGBA(0x888888ff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_text = RGBA(0xcccccc00),
     .button_text_hi = RGBA(0xffffffff),
@@ -1104,10 +1053,7 @@ const bTheme U_theme_default = {
     .header = RGBA(0x303030b3),
     .header_text = RGBA(0xeeeeeeff),
     .header_text_hi = RGBA(0xffffffff),
-    .tab_active = RGBA(0x303030ff),
-    .tab_inactive = RGBA(0x1d1d1dff),
     .tab_back = RGBA(0x18181800),
-    .tab_outline = RGBA(0x3d3d3dff),
     .button = RGBA(0x30303000),
     .button_title = RGBA(0xffffffff),
     .button_text = RGBA(0xccccccff),
diff --git a/scripts/presets/interface_theme/Blender_Light.xml b/scripts/presets/interface_theme/Blender_Light.xml
index 85980512bef..43e6aa40b38 100644
--- a/scripts/presets/interface_theme/Blender_Light.xml
+++ b/scripts/presets/interface_theme/Blender_Light.xml
@@ -470,10 +470,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#b3b3b3"
-            tab_inactive="#8e8e8e"
             tab_back="#656565ff"
-            tab_outline="#4d4d4dff"
             >
             <gradients>
               <ThemeGradientColors
@@ -552,10 +549,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#cccccc"
             tab_back="#999999ff"
-            tab_outline="#999999ff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -598,10 +592,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#999999e6"
-            tab_active="#6697e6"
-            tab_inactive="#cccccc"
             tab_back="#999999ff"
-            tab_outline="#999999ff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -657,10 +648,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -735,10 +723,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -822,10 +807,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#b3b3b3"
-            tab_inactive="#8e8e8e"
             tab_back="#656565ff"
-            tab_outline="#4d4d4dff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -901,10 +883,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#b3b3b3"
-            tab_inactive="#8e8e8e"
             tab_back="#656565ff"
-            tab_outline="#4d4d4dff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -947,10 +926,7 @@
             button_text_hi="#000000"
             navigation_bar="#a6a6a6ff"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -994,10 +970,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1062,10 +1035,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#b3b3b3"
-            tab_inactive="#8e8e8e"
             tab_back="#656565ff"
-            tab_outline="#4d4d4dff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1113,10 +1083,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1159,10 +1126,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1193,10 +1157,7 @@
             button_text_hi="#000000"
             navigation_bar="#b3b3b3ff"
             execution_buts="#b3b3b3ff"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1234,10 +1195,7 @@
             button_text_hi="#ffffff"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1300,10 +1258,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#6697e6"
-            tab_inactive="#535353"
             tab_back="#404040ff"
-            tab_outline="#3c3c3cff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1343,10 +1298,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#446499"
-            tab_inactive="#28292d"
             tab_back="#28292dff"
-            tab_outline="#28292dff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1377,10 +1329,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#00000000"
-            tab_active="#446499"
-            tab_inactive="#28292d"
             tab_back="#28292dff"
-            tab_outline="#28292dff"
             >
             <panelcolors>
               <ThemePanelColors
@@ -1413,10 +1362,7 @@
             button_text_hi="#000000"
             navigation_bar="#00000000"
             execution_buts="#999999e6"
-            tab_active="#6697e6"
-            tab_inactive="#cccccc"
             tab_back="#999999ff"
-            tab_outline="#999999ff"
             >
             <panelcolors>
               <ThemePanelColors
diff --git a/source/blender/editors/include/UI_resources.hh b/source/blender/editors/include/UI_resources.hh
index f160bd6847f..3c9c4f419cf 100644
--- a/source/blender/editors/include/UI_resources.hh
+++ b/source/blender/editors/include/UI_resources.hh
@@ -57,10 +57,15 @@ enum ThemeColorID {
   TH_TEXT,
   TH_TEXT_HI,
   TH_TITLE,
+
+  /* Tabs. */
+  TH_TAB_TEXT,
+  TH_TAB_TEXT_HI,
   TH_TAB_ACTIVE,
   TH_TAB_INACTIVE,
   TH_TAB_BACK,
   TH_TAB_OUTLINE,
+  TH_TAB_OUTLINE_ACTIVE,
 
   TH_HEADER,
   TH_HEADER_TEXT,
diff --git a/source/blender/editors/interface/interface_panel.cc b/source/blender/editors/interface/interface_panel.cc
index e49b64e267a..02682ab7382 100644
--- a/source/blender/editors/interface/interface_panel.cc
+++ b/source/blender/editors/interface/interface_panel.cc
@@ -1387,23 +1387,24 @@ void UI_panel_category_draw_all(ARegion *region, const char *category_id_active)
 
   /* Primary theme colors. */
   uchar theme_col_back[4];
-  uchar theme_col_text[3];
-  uchar theme_col_text_hi[3];
 
   /* Tab colors. */
   uchar theme_col_tab_bg[4];
+  uchar theme_col_tab_text[3];
+  uchar theme_col_tab_text_sel[3];
   float theme_col_tab_active[4];
   float theme_col_tab_inactive[4];
   float theme_col_tab_outline[4];
+  float theme_col_tab_outline_sel[4];
 
   UI_GetThemeColor4ubv(TH_BACK, theme_col_back);
-  UI_GetThemeColor3ubv(TH_TEXT, theme_col_text);
-  UI_GetThemeColor3ubv(TH_TEXT_HI, theme_col_text_hi);
-
+  UI_GetThemeColor3ubv(TH_TAB_TEXT, theme_col_tab_text);
+  UI_GetThemeColor3ubv(TH_TAB_TEXT_HI, theme_col_tab_text_sel);
   UI_GetThemeColor4ubv(TH_TAB_BACK, theme_col_tab_bg);
   UI_GetThemeColor4fv(TH_TAB_ACTIVE, theme_col_tab_active);
   UI_GetThemeColor4fv(TH_TAB_INACTIVE, theme_col_tab_inactive);
   UI_GetThemeColor4fv(TH_TAB_OUTLINE, theme_col_tab_outline);
+  UI_GetThemeColor4fv(TH_TAB_OUTLINE_ACTIVE, theme_col_tab_outline_sel);
 
   is_alpha = (region->overlap && (theme_col_back[3] != 255));
 
@@ -1528,7 +1529,10 @@ void UI_panel_category_draw_all(ARegion *region, const char *category_id_active)
                            true,
                            tab_curve_radius,
                            is_active ? theme_col_tab_active : theme_col_tab_inactive);
-      UI_draw_roundbox_4fv(&box_rect, false, tab_curve_radius, theme_col_tab_outline);
+      UI_draw_roundbox_4fv(&box_rect,
+                           false,
+                           tab_curve_radius,
+                           is_active ? theme_col_tab_outline_sel : theme_col_tab_outline);
 
       /* Disguise the outline on one side to join the tab to the panel. */
       if (!region->overlap) {
@@ -1558,7 +1562,7 @@ void UI_panel_category_draw_all(ARegion *region, const char *category_id_active)
                            rct->xmin + text_v_ofs - text_size_offset,
                  is_left ? rct->ymin + tab_v_pad_text : rct->ymax - tab_v_pad_text,
                  0.0f);
-    BLF_color3ubv(fontid, is_active ? theme_col_text_hi : theme_col_text);
+    BLF_color3ubv(fontid, is_active ? theme_col_tab_text_sel : theme_col_tab_text);
 
     if (fstyle->shadow) {
       BLF_enable(fontid, BLF_SHADOW);
diff --git a/source/blender/editors/interface/resources.cc b/source/blender/editors/interface/resources.cc
index cee0b9002bc..a0f67d416ab 100644
--- a/source/blender/editors/interface/resources.cc
+++ b/source/blender/editors/interface/resources.cc
@@ -291,17 +291,27 @@ const uchar *UI_ThemeGetColorPtr(bTheme *btheme, int spacetype, int colorid)
           cp = ts->button_text_hi;
           break;
 
+        case TH_TAB_TEXT:
+          cp = btheme->tui.wcol_tab.text;
+          break;
+        case TH_TAB_TEXT_HI:
+          cp = btheme->tui.wcol_tab.text_sel;
+          break;
         case TH_TAB_ACTIVE:
-          cp = ts->tab_active;
+          cp = btheme->tui.wcol_tab.inner_sel;
           break;
         case TH_TAB_INACTIVE:
-          cp = ts->tab_inactive;
-          break;
-        case TH_TAB_BACK:
-          cp = ts->tab_back;
+          cp = btheme->tui.wcol_tab.inner;
           break;
         case TH_TAB_OUTLINE:
-          cp = ts->tab_outline;
+          cp = btheme->tui.wcol_tab.outline;
+          break;
+        case TH_TAB_OUTLINE_ACTIVE:
+          cp = btheme->tui.wcol_tab.outline_sel;
+          break;
+        case TH_TAB_BACK:
+          /* Tab background is set per editor. */
+          cp = ts->tab_back;
           break;
 
         case TH_SHADE1:
diff --git a/source/blender/makesdna/DNA_theme_types.h b/source/blender/makesdna/DNA_theme_types.h
index 7daba45f30d..0988940a496 100644
--- a/source/blender/makesdna/DNA_theme_types.h
+++ b/source/blender/makesdna/DNA_theme_types.h
@@ -242,10 +242,8 @@ typedef struct ThemeSpace {
   unsigned char header_text_hi[4];
 
   /* region tabs */
-  unsigned char tab_active[4];
-  unsigned char tab_inactive[4];
   unsigned char tab_back[4];
-  unsigned char tab_outline[4];
+  char _pad2[4];
 
   /* button/tool regions */
   /** Region background. */
diff --git a/source/blender/makesrna/intern/rna_userdef.cc b/source/blender/makesrna/intern/rna_userdef.cc
index 6fd481f9ace..bac16f2300f 100644
--- a/source/blender/makesrna/intern/rna_userdef.cc
+++ b/source/blender/makesrna/intern/rna_userdef.cc
@@ -2204,27 +2204,10 @@ static void rna_def_userdef_theme_space_common(StructRNA *srna)
   RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
 
   /* tabs */
-  prop = RNA_def_property(srna, "tab_active", PROP_FLOAT, PROP_COLOR_GAMMA);
-  RNA_def_property_array(prop, 3);
-  RNA_def_property_ui_text(prop, "Tab Active", "");
-  RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
-
-  prop = RNA_def_property(srna, "tab_inactive", PROP_FLOAT, PROP_COLOR_GAMMA);
-  RNA_def_property_array(prop, 3);
-  RNA_def_property_ui_text(prop, "Tab Inactive", "");
-  RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
-
   prop = RNA_def_property(srna, "tab_back", PROP_FLOAT, PROP_COLOR_GAMMA);
   RNA_def_property_array(prop, 4);
   RNA_def_property_ui_text(prop, "Tab Background", "");
   RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
-
-  prop = RNA_def_property(srna, "tab_outline", PROP_FLOAT, PROP_COLOR_GAMMA);
-  RNA_def_property_array(prop, 4);
-  RNA_def_property_ui_text(prop, "Tab Outline", "");
-  RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
-
-  // }
 }
 
 static void rna_def_userdef_theme_space_gradient(BlenderRNA *brna)