diff --git a/extensions/theme-carbon/themes/dark_carbon.json b/extensions/theme-carbon/themes/dark_carbon.json
index b616068321..97d5798663 100644
--- a/extensions/theme-carbon/themes/dark_carbon.json
+++ b/extensions/theme-carbon/themes/dark_carbon.json
@@ -51,9 +51,6 @@
 		"list.activeSelectionBackground": "#3062d6",
 		"list.hoverBackground": "#444444",
 		"pickerGroup.border": "#0078d7",
-		"activityBar.background": "#444444",
-		"sideBar.background": "#333333",
-		"sideBarTitle.foreground": "#bbbbbb",
 		"input.placeholderForeground": "#a6a6a6",
 		"editorGroupHeader.tabsBackground": "#444444",
 		"editor.background": "#212121",
@@ -72,7 +69,10 @@
 		"panel.border": "#515151",
 		"panelTitle.activeForeground": "#ffffff",
 		"panelTitle.inactiveForeground": "#888888",
-		"panelTitle.activeBorder": "#026dc8"
+		"panelTitle.activeBorder": "#026dc8",
+
+		"sideBarSectionHeader.background": "#0000",
+		"sideBarSectionHeader.border": "#ccc3"
 	},
 	"tokenColors": [
 		{
diff --git a/extensions/theme-carbon/themes/light_carbon.json b/extensions/theme-carbon/themes/light_carbon.json
index e6bb237563..a67aa4f333 100644
--- a/extensions/theme-carbon/themes/light_carbon.json
+++ b/extensions/theme-carbon/themes/light_carbon.json
@@ -56,11 +56,6 @@
 		"list.hoverBackground": "#dcdcdc",
 		"pickerGroup.border": "#0078d7",
 
-		// Workbench: Activity Bar
-		"activityBar.background": "#212121",
-
-		// Workbench: Side Bar
-		"sideBar.background": "#eaeaea",
 		"editorGroupHeader.tabsBackground": "#f4f4f4",
 		"editor.background": "#fffffe",
 		"editor.foreground": "#212121",
@@ -82,7 +77,10 @@
 		"panel.border": "#888888",
 		"panelTitle.activeForeground": "#212121",
 		"panelTitle.inactiveForeground": "#757575",
-		"panelTitle.activeBorder": "#026dc8"
+		"panelTitle.activeBorder": "#026dc8",
+
+		"sideBarSectionHeader.background": "#0000",
+		"sideBarSectionHeader.border": "#61616130"
 	},
 	"tokenColors": [
 		{