diff --git a/History.md b/History.md
index 72dcaa73..c1e1a6e9 100644
--- a/History.md
+++ b/History.md
@@ -1,6 +1,5 @@
 2.4.0
 =======
-2022-01-10
 
 - issue #255 support order-x
 - xr now checks en16931 profile not extended