diff --git a/src/gsi/constants.f90 b/src/gsi/constants.f90
index c1c5f3f879..291a18ec97 100644
--- a/src/gsi/constants.f90
+++ b/src/gsi/constants.f90
@@ -31,7 +31,6 @@ module constants
 !   2016-02-15 Johnson, Y. Wang, X. Wang - define additional constant values for
 !                                          radar DA, POC: xuguang.wang@ou.edu
 !   2019-09-25  X.Su     - put stndrd_atmos_ps constant values
-!   2022-03-01  X.Lu & X.Wang  - increased max_varname_length for HAFS dual ens. POC: xuguang.wang@ou.edu
 !
 ! Subroutines Included:
 !   sub init_constants_derived - compute derived constants