diff --git a/docs/installation.rst b/docs/installation.rst
index 87304f2e4aa..8a88ecf24ff 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -176,8 +176,6 @@ Many of Pillow's features require external libraries:
     transparent WebP files. Versions **0.3.0** and above support
     transparency.
 
-* **tcl/tk** provides support for tkinter bitmap and photo images.
-
 * **openjpeg** provides JPEG 2000 functionality.
 
   * Pillow has been tested with openjpeg **2.0.0**, **2.1.0**, **2.3.1**,