diff --git a/platform/platform-impl/src/com/intellij/openapi/wm/impl/headertoolbar/MainToolbar.kt b/platform/platform-impl/src/com/intellij/openapi/wm/impl/headertoolbar/MainToolbar.kt
index 2da822d4b934..6579182018eb 100644
--- a/platform/platform-impl/src/com/intellij/openapi/wm/impl/headertoolbar/MainToolbar.kt
+++ b/platform/platform-impl/src/com/intellij/openapi/wm/impl/headertoolbar/MainToolbar.kt
@@ -339,7 +339,6 @@ class MainToolbar(
     super.removeNotify()
     if (ScreenUtil.isStandardAddRemoveNotify(this)) {
       coroutineScope.cancel()
-      widthCalculationListeners.clear()
     }
   }