diff --git a/src/CLA_mod.F90 b/src/CLA_mod.F90
index 68532d534a0efc239d277ad35ad265e957848018..0489ed96887c0ca8263b68d9a73225a6d4ea4e13 100644
--- a/src/CLA_mod.F90
+++ b/src/CLA_mod.F90
@@ -5,7 +5,6 @@ module CLA
    ! closure
    USE prec_const
    USE parallel
-   USE FMZM ! For factorial
    implicit none
    ! local variables for DLRA and SVD
    COMPLEX(xp), DIMENSION(:,:), ALLOCATABLE :: A_buff,Bf,Br ! buffer and full/reduced rebuilt matrices