diff --git a/src/LIB/SURCOUCHE/src/modd_io.f90 b/src/LIB/SURCOUCHE/src/modd_io.f90
index e6a1eba10e7676b476bbe7907284b798ec6d7e32..4a2e257273a11a797f7d021ed9ee47fc0b2068fb 100644
--- a/src/LIB/SURCOUCHE/src/modd_io.f90
+++ b/src/LIB/SURCOUCHE/src/modd_io.f90
@@ -81,16 +81,6 @@ TYPE TFILE_ELT
   TYPE(TFILEDATA), POINTER :: TFILE => NULL()
 END TYPE TFILE_ELT
 
-!Structure describing the characteristics of an output or a backup
-TYPE TOUTBAK
-  INTEGER           :: NID = -1     !Backup number
-  INTEGER           :: NSTEP        !Timestep number
-  REAL              :: XTIME        !Time from start of the segment (in seconds and rounded to a timestep)
-  TYPE(TFILEDATA), POINTER :: TFILE => NULL() !Corresponding file
-  TYPE(TFILE_ELT), DIMENSION(:) ,ALLOCATABLE :: TFILE_IOZ !Corresponding Z-split files
-  INTEGER,DIMENSION(:), POINTER :: NFIELDLIST => NULL() !List of the fields to read or write
-END TYPE TOUTBAK
-
 !Structure describing the characteristics of a file
 TYPE TFILEDATA
   CHARACTER(LEN=NFILENAMELGTMAX)  :: CNAME = '' !Filename
diff --git a/src/LIB/SURCOUCHE/src/mode_io_field_write.f90 b/src/LIB/SURCOUCHE/src/mode_io_field_write.f90
index 98f6eb0273060ce334b3c921b643d55e03664ddd..865ea7b56c8c0f4ae69b5d08acdd8e3924428d1f 100644
--- a/src/LIB/SURCOUCHE/src/mode_io_field_write.f90
+++ b/src/LIB/SURCOUCHE/src/mode_io_field_write.f90
@@ -29,7 +29,7 @@ MODULE MODE_IO_FIELD_WRITE
 
   use modd_field,        only: tfieldlist, tfieldmetadata, tfieldmetadata_base, &
                                TYPECHAR, TYPEDATE, TYPEINT, TYPELOG, TYPEREAL
-  USE MODD_IO,         ONLY: TFILEDATA, TOUTBAK
+  USE MODD_IO,         ONLY: TFILEDATA
   USE MODD_MPIF
   use modd_parameters, only: NFILENAMELGTMAX, NMNHNAMELGTMAX
   use modd_precision,  only: MNHINT_MPI, MNHREAL_MPI, MNHTIME
diff --git a/src/MNH/modd_outn.f90 b/src/MNH/modd_outn.f90
index a06991e76e572306881cb214b40a178921b37199..b4890756327080e318f75a769af663896c30b5fa 100644
--- a/src/MNH/modd_outn.f90
+++ b/src/MNH/modd_outn.f90
@@ -40,7 +40,6 @@
 !
 !
 USE MODD_PARAMETERS, ONLY: JPMODELMAX, NNEGUNDEF
-USE MODD_IO,         ONLY: TOUTBAK
 
 IMPLICIT NONE