diff --git a/src/vs/vscode.d.ts b/src/vs/vscode.d.ts
index 4a1a51b934c..a0fd1ff7a04 100644
--- a/src/vs/vscode.d.ts
+++ b/src/vs/vscode.d.ts
@@ -808,11 +808,22 @@ declare module 'vscode' {
 		 */
 		static readonly Folder: ThemeIcon;
 
+		/**
+		 * The id of the icon. The available icons are listed in https://microsoft.github.io/vscode-codicons/dist/codicon.html.
+		 */
+		readonly id: string;
+
+		/**
+		 * The optional ThemeColor of the icon. The color is currently only used in [TreeItem](#TreeItem).
+		 */
+		readonly themeColor?: ThemeColor;
+
 		/**
 		 * Creates a reference to a theme icon.
 		 * @param id id of the icon. The available icons are listed in https://microsoft.github.io/vscode-codicons/dist/codicon.html.
+		 * @param color optional `ThemeColor` for the icon. The color is currently only used in [TreeItem](#TreeItem).
 		 */
-		constructor(id: string);
+		constructor(id: string, color?: ThemeColor);
 	}
 
 	/**
diff --git a/src/vs/vscode.proposed.d.ts b/src/vs/vscode.proposed.d.ts
index 63712708d62..3b0258815ff 100644
--- a/src/vs/vscode.proposed.d.ts
+++ b/src/vs/vscode.proposed.d.ts
@@ -2159,28 +2159,6 @@ declare module 'vscode' {
 
 	//#endregion
 
-	//#region https://github.com/microsoft/vscode/issues/103120 @alexr00
-	export class ThemeIcon2 extends ThemeIcon {
-
-		/**
-		 * The id of the icon. The available icons are listed in https://microsoft.github.io/vscode-codicons/dist/codicon.html.
-		 */
-		readonly id: string;
-
-		/**
-		 * The optional ThemeColor of the icon. The color is currently only used in [TreeItem](#TreeItem).
-		 */
-		readonly themeColor?: ThemeColor;
-
-		/**
-		 * Creates a reference to a theme icon.
-		 * @param id id of the icon. The available icons are listed in https://microsoft.github.io/vscode-codicons/dist/codicon.html.
-		 * @param color optional `ThemeColor` for the icon. The color is currently only used in [TreeItem](#TreeItem).
-		 */
-		constructor(id: string, color?: ThemeColor);
-	}
-	//#endregion
-
 	//#region https://github.com/microsoft/vscode/issues/102665 Comment API @rebornix
 	export interface CommentThread {
 		/**
diff --git a/src/vs/workbench/api/common/extHostTreeViews.ts b/src/vs/workbench/api/common/extHostTreeViews.ts
index 5406cfa39d1..d7194fc2317 100644
--- a/src/vs/workbench/api/common/extHostTreeViews.ts
+++ b/src/vs/workbench/api/common/extHostTreeViews.ts
@@ -601,9 +601,6 @@ class ExtHostTreeView<T> extends Disposable {
 	}
 
 	private getThemeIcon(extensionTreeItem: vscode.TreeItem2): ThemeIcon | undefined {
-		if ((extensionTreeItem.iconPath instanceof ThemeIcon) && extensionTreeItem.iconPath.themeColor) {
-			checkProposedApiEnabled(this.extension);
-		}
 		return extensionTreeItem.iconPath instanceof ThemeIcon ? extensionTreeItem.iconPath : undefined;
 	}