diff --git a/GLFW-4.0-sketchbook.md b/GLFW-4.0-sketchbook.md
index b517c98..ca952ae 100644
--- a/GLFW-4.0-sketchbook.md
+++ b/GLFW-4.0-sketchbook.md
@@ -29,4 +29,5 @@
 - Make space between last key and `GLFW_KEY_LAST`
 - Rename `glfwGetVersion` to `glfwGetLibraryVersion`
 - Rename `GLFW_VERSION_*` to `GLFW_HEADER_VERSION_*`
-- Remove focus behavior from `glfwShowWindow`
\ No newline at end of file
+- Remove focus behavior from `glfwShowWindow`
+- Remove `glfwSetTime` ([rationale](http://discourse.glfw.org/t/poll-rfq-on-glfwsettime/1333))
\ No newline at end of file