diff --git a/packages/webamp-modern-2/src/skin/Button.ts b/packages/webamp-modern-2/src/skin/Button.ts
index 34bb1b6b..35d82898 100644
--- a/packages/webamp-modern-2/src/skin/Button.ts
+++ b/packages/webamp-modern-2/src/skin/Button.ts
@@ -22,6 +22,9 @@ export default class Button extends GuiObj {
   getactivated(): boolean {
     return true;
   }
+  setactivated(onoff: boolean) {
+    // TODO
+  }
 
   getDebugDom(): HTMLDivElement {
     const div = super.getDebugDom();
@@ -44,7 +47,6 @@ export default class Button extends GuiObj {
   extern Button.onActivate(int activated);
   extern Button.onLeftClick();
   extern Button.onRightClick();
-  extern Button.setActivated(Boolean onoff);
   extern Button.setActivatedNoCallback(Boolean onoff);
   extern Button.leftClick();
   extern Button.rightClick();e
diff --git a/packages/webamp-modern-2/src/skin/PopupMenu.ts b/packages/webamp-modern-2/src/skin/PopupMenu.ts
index 49bb2b3b..71f8c639 100644
--- a/packages/webamp-modern-2/src/skin/PopupMenu.ts
+++ b/packages/webamp-modern-2/src/skin/PopupMenu.ts
@@ -8,12 +8,14 @@ export default class PopupMenu extends BaseObject {
     disabled: boolean
   ) {}
   addseparator() {}
+  checkcommand(cmd_id: number, check: boolean) {
+    // TODO
+  }
   /*
 extern PopupMenu.addSubMenu(PopupMenu submenu, String submenutext);
 extern Int PopupMenu.popAtXY(int x, int y);
 extern Int PopupMenu.popAtMouse();
 extern Int PopupMenu.getNumCommands();
-extern PopupMenu.checkCommand(int cmd_id, boolean check);
 extern PopupMenu.disableCommand(int cmd_id, boolean disable);
   */
 }
diff --git a/packages/webamp-modern-2/src/skin/Text.ts b/packages/webamp-modern-2/src/skin/Text.ts
index 6400ca9c..4be55a11 100644
--- a/packages/webamp-modern-2/src/skin/Text.ts
+++ b/packages/webamp-modern-2/src/skin/Text.ts
@@ -99,6 +99,10 @@ offsety - (int) Extra pixels to be added to or subtracted from the calculated x
   settext(txt: string) {
     this._text = txt;
   }
+  // overrides the display/text parameter with a custom string, set "" to cancel
+  setalternatetext(txt: string) {
+    // TODO
+  }
 
   getDebugDom(): HTMLDivElement {
     const div = super.getDebugDom();
@@ -122,7 +126,6 @@ offsety - (int) Extra pixels to be added to or subtracted from the calculated x
 
   /*
   
-extern Text.setAlternateText(String txt); // overrides the display/text parameter with a custom string, set "" to cancel
 extern String Text.getText();
 extern int Text.getTextWidth();
 extern Text.onTextChanged(String newtxt);