diff --git a/topics/user_interface_components/tool_windows.md b/topics/user_interface_components/tool_windows.md
index f86d71d7c..877128a00 100644
--- a/topics/user_interface_components/tool_windows.md
+++ b/topics/user_interface_components/tool_windows.md
@@ -8,8 +8,6 @@ _Tool windows_ are child windows of the IDE used to display information.
 These windows generally have their own toolbars (referred to as _tool window bars_) along the outer edges of the main window containing one or more _tool window buttons_, which activate panels displayed on the left, bottom and right sides of the main IDE window.
 For detailed information about tool windows, please see [IntelliJ IDEA Web Help](https://www.jetbrains.com/idea/help/tool-windows.html) and [Tool window](https://jetbrains.design/intellij/components/tool_window/) topic in IntelliJ Platform UI Guidelines.
 
-See also [Tool window](https://jetbrains.design/intellij/components/tool_window/) in IntelliJ Platform UI Guidelines.
-
 Each side contains two tool window groups, the primary and the secondary one, and only one tool window from each group can be active at a time.
 
 Each tool window can show multiple tabs (or "contents", as they are called in the API).