diff --git a/src/MNH/flat_invz.f90 b/src/MNH/flat_invz.f90
index b7b38a84621ae4f99a90aba6f437f0b71b6b6f78..2d5febdf09b89f3b595a6db31d0f78ddb3384d8d 100644
--- a/src/MNH/flat_invz.f90
+++ b/src/MNH/flat_invz.f90
@@ -127,6 +127,7 @@ SUBROUTINE FLAT_INVZ(HLBCX,HLBCY,PDXHATM,PDYHATM,PRHOM,PAF,PBF,PCF,   &
   !!      Modification   Lugato, Guivarch (June 1998) Parallelisation
   !!                     Escobar, Stein   (July 2000) optimisation
 !  P. Wautelet 28/03/2019: use MNHTIME for time measurement variables
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
   !-------------------------------------------------------------------------------
   !
   !*       0.    DECLARATIONS
@@ -140,7 +141,7 @@ SUBROUTINE FLAT_INVZ(HLBCX,HLBCY,PDXHATM,PDYHATM,PRHOM,PAF,PBF,PCF,   &
   USE MODD_ARGSLIST_ll, ONLY : LIST_ll
   !JUAN Z_SPLI
   USE MODE_SPLITTINGZ_ll 
-  USE MODD_VAR_ll, ONLY : IP , NTRANS_COM
+!   USE MODD_VAR_ll, ONLY : IP , NTRANS_COM
   USE MODD_CONFZ , ONLY : NZ_SPLITTING ! for debug IZ=1=flat_inv;  IZ=2=flat_invz ;  IZ=1+2=the two
   USE MODD_TIMEZ , ONLY : TIMEZ
   USE MODE_MNH_TIMING
@@ -206,16 +207,12 @@ SUBROUTINE FLAT_INVZ(HLBCX,HLBCY,PDXHATM,PDYHATM,PRHOM,PAF,PBF,PCF,   &
   INTEGER :: IKB          ! indice K for the first inner mass point along z
   INTEGER :: IKE          ! indice K for the last inner mass point along z
   INTEGER :: IKU          ! size of the arrays along z
-  INTEGER :: IKMAX        ! number of inner mass points along the z direction
   !
   REAL :: ZDXM2,ZDYM2     ! respectively equal to PDXHATM*PDXHATM 
   ! and PDYHATM*PDYHATM                         
   INTEGER :: JI,JJ,JK     ! loop indexes along x, y, z respectively
   !
   !
-  INTEGER :: IIE_INT,IJE_INT   ! highest indice I  and J values for the x y modes.
-  ! They  depend on the l.b.c. !
-  !
   INTEGER :: ILOTX,ILOTY ! number of data vectors along x, y resp. computed 
   ! in parallel during the FFT process 
   !
@@ -261,7 +258,7 @@ SUBROUTINE FLAT_INVZ(HLBCX,HLBCY,PDXHATM,PDYHATM,PRHOM,PAF,PBF,PCF,   &
   !
   !
   !
-  INTEGER :: IH   ! HALO to use 
+!   INTEGER :: IH   ! HALO to use
   INTEGER :: II_B ,IJ_B ,IK_B  ! dimensions of B  slices
   INTEGER :: II_SXP1_YP2_Z,IJ_SXP1_YP2_Z,IK_SXP1_YP2_Z ! dimensions of SXP1_YP2_Z  slices
   INTEGER :: II_SXP2_YP1_Z,IJ_SXP2_YP1_Z,IK_SXP2_YP1_Z ! dimensions of SXP2_YP1_Z slices
@@ -278,7 +275,6 @@ SUBROUTINE FLAT_INVZ(HLBCX,HLBCY,PDXHATM,PDYHATM,PRHOM,PAF,PBF,PCF,   &
 
   REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZWORK_SX_YP2_ZP1  ! work array for SX_YP2_ZP1 FFT
   REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZWORK_SXP2_Y_ZP1  ! work array for SXP2_Y_ZP1 FFT
-  REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZWORK_SXP2_Y_ZP1R ! work array for SXP2_Y_ZP1 FFT
   REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZBAND_SXP2_Y_ZP1T  ! array in SXP2_Y_ZP1T slices distribution transpose
   REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZBAND_SXP2_Y_ZP1RT ! array in SXP2_Y_ZP1T slices distribution transpose
   REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZAF_B     ! work array in  B slices for expand PAF
@@ -293,11 +289,8 @@ SUBROUTINE FLAT_INVZ(HLBCX,HLBCY,PDXHATM,PDYHATM,PRHOM,PAF,PBF,PCF,   &
   REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZBAND_SXP2_YP1_ZR
   REAL, DIMENSION(:,:)  , ALLOCATABLE :: ZBETX_SXP2_YP1_Z
   !
-  ! UPDATE HALO --> pour voir si ca marche
-  TYPE(LIST_ll), POINTER :: TZFIELDS_ll   ! list of fields to exchange
-  !
   INTEGER                            :: IIBI,IJBI,IIEI,IJEI
-  INTEGER                            :: IERROR
+!   INTEGER                            :: IERROR
   !JUAN
   !-------------------------------------------------------------------------------
   !
@@ -316,7 +309,6 @@ SUBROUTINE FLAT_INVZ(HLBCX,HLBCY,PDXHATM,PDYHATM,PRHOM,PAF,PBF,PCF,   &
   IKU=SIZE(PY,3)
   IKB=1+JPVEXT
   IKE=IKU - JPVEXT
-  IKMAX=IKE-IKB+1
   !
   !
   IF ( IAND(NZ_SPLITTING,1) > 0 ) THEN 
diff --git a/src/MNH/ini_modeln.f90 b/src/MNH/ini_modeln.f90
index 62002a731c199d67d89665d367de2054bcd26f83..4678c605673b913b6be87dc70e12572429f90773 100644
--- a/src/MNH/ini_modeln.f90
+++ b/src/MNH/ini_modeln.f90
@@ -285,6 +285,7 @@ END MODULE MODI_INI_MODEL_n
 !!      Bielli S. 02/2019  Sea salt : significant sea wave height influences salt emission; 5 salt modes
 !  P. Wautelet 14/03/2019: correct ZWS when variable not present in file (set to XZWS_DEFAULT)
 !  P. Wautelet 10/04/2019: replace ABORT and STOP calls by Print_msg
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
 !---------------------------------------------------------------------------------
 !
 !*       0.    DECLARATIONS
@@ -316,7 +317,7 @@ USE MODD_REF
 USE MODD_SERIES, ONLY: LSERIES
 USE MODD_TIME
 USE MODD_TURB_CLOUD, ONLY: NMODEL_CLOUD, CTURBLEN_CLOUD,XCEI
-USE MODD_NESTING
+USE MODD_NESTING,       only: CDAD_NAME, NDAD, NDT_2_WAY, NDTRATIO, NDXRATIO_ALL, NDYRATIO_ALL
 USE MODD_PASPOL
 USE MODD_DRAGTREE
 USE MODD_METRICS_n
@@ -338,13 +339,12 @@ USE MODD_DIM_n
 USE MODD_BUDGET
 USE MODD_RADIATIONS_n
 USE MODD_SHADOWS_n
-USE MODD_PARAM_RAD_n,   ONLY : CLW, CAER, CAOP
+USE MODD_PARAM_RAD_n,   ONLY: CAER, CLW
 USE MODD_VAR_ll,        ONLY : IP
 !
 USE MODD_STAND_ATM,     ONLY : XSTROATM, XSMLSATM, XSMLWATM, XSPOSATM, XSPOWATM
-USE MODD_CH_MNHC_n, ONLY : LUSECHEM, LUSECHAQ, LUSECHIC, LCH_INIT_FIELD, &
-                           CCHEM_INPUT_FILE, LCH_CONV_LINOX,             &
-                           XCH_TUV_DOBNEW, LCH_PH, CSPEC_BUDGET, CSPEC_PRODLOSS
+USE MODD_CH_MNHC_n,     ONLY: LUSECHEM, LUSECHAQ, LUSECHIC, LCH_INIT_FIELD, &
+                              LCH_CONV_LINOX, XCH_TUV_DOBNEW, LCH_PH
 USE MODD_CH_PH_n
 USE MODD_CH_AEROSOL, ONLY : LORILAM
 USE MODD_CH_AERO_n,  ONLY : XSOLORG,XMI
@@ -366,7 +366,7 @@ USE MODD_CONF_n
 USE MODD_GET_n
 USE MODD_TURB_n
 USE MODD_CTURB
-USE MODD_LBC_n
+USE MODD_LBC_n,         only: CLBCX, CLBCY
 USE MODD_PASPOL_n
 USE MODD_DRAG_n
 USE MODD_BLOWSNOW
@@ -441,7 +441,7 @@ USE MODD_ADVFRC_n
 USE MODD_RELFRC_n
 USE MODD_2D_FRC
 USE MODD_IO_SURF_MNH, ONLY : IO_SURF_MNH_MODEL
-USE MODD_IO,       ONLY: CIO_DIR, TFILEDATA, TFILE_DUMMY, TFILE_FIRST, TFILE_LAST
+USE MODD_IO,       ONLY: CIO_DIR, TFILEDATA, TFILE_DUMMY
 !
 USE MODD_CH_PRODLOSSTOT_n
 USE MODI_CH_INIT_PRODLOSSTOT_n
@@ -1700,12 +1700,7 @@ END IF
 !*       7.    INITIALIZE GRIDS AND METRIC COEFFICIENTS
 !              ----------------------------------------
 !
-CALL SET_GRID(KMI,TPINIFILE,IIU,IJU,IKU,NIMAX_ll,NJMAX_ll,               &
-              XBMX1,XBMX2,XBMX3,XBMX4,XBMY1,XBMY2,XBMY3,XBMY4,           &
-              XBFX1,XBFX2,XBFX3,XBFX4,XBFY1,XBFY2,XBFY3,XBFY4,           &
-              NXOR_ALL(KMI),NYOR_ALL(KMI),NXEND_ALL(KMI),NYEND_ALL(KMI), &
-              NDXRATIO_ALL(KMI),NDYRATIO_ALL(KMI),                       &
-              CLBCX,CLBCY,                                               &
+CALL SET_GRID(KMI,TPINIFILE,IKU,NIMAX_ll,NJMAX_ll,                       &
               XTSTEP,XSEGLEN,                                            &
               XLONORI,XLATORI,XLON,XLAT,                                 &
               XXHAT,XYHAT,XDXHAT,XDYHAT, XMAP,                           &
diff --git a/src/MNH/ini_spectren.f90 b/src/MNH/ini_spectren.f90
index 6218b69882c2f03d7fe8c79faede3b2e2487e19d..00aa82518fea1a3cd00e205dac3bd22497af384c 100644
--- a/src/MNH/ini_spectren.f90
+++ b/src/MNH/ini_spectren.f90
@@ -1,4 +1,4 @@
-!MNH_LIC Copyright 1994-2019 CNRS, Meteo-France and Universite Paul Sabatier
+!MNH_LIC Copyright 2015-2019 CNRS, Meteo-France and Universite Paul Sabatier
 !MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
 !MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
 !MNH_LIC for details. version 1.
@@ -35,9 +35,10 @@ END MODULE MODI_INI_SPECTRE_n
 !!  Philippe Wautelet: 05/2016-04/2018: new data structures and calls for I/O
 !  P. Wautelet 08/02/2019: allocate to zero-size non associated pointers
 !  P. Wautelet 14/02/2019: remove CLUOUT/CLUOUT0 and associated variables
-!!      Bielli S. 02/2019  Sea salt : significant sea wave height influences salt emission; 5 salt modes
+!  S. Bielli      02/2019: sea salt: significant sea wave height influences salt emission; 5 salt modes
 !  P. Wautelet 10/04/2019: replace ABORT and STOP calls by Print_msg
-!!
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
+!
 !---------------------------------------------------------------------------------
 !
 !*       0.    DECLARATIONS
@@ -49,8 +50,7 @@ USE MODD_BUDGET
 USE MODD_CH_AERO_n,     ONLY: XSOLORG,XMI
 USE MODD_CH_AEROSOL,    ONLY: LORILAM
 USE MODD_CH_MNHC_n,     ONLY: LUSECHEM, LUSECHAQ, LUSECHIC, LCH_INIT_FIELD, &
-                              CCHEM_INPUT_FILE, LCH_CONV_LINOX,             &
-                              XCH_TUV_DOBNEW, LCH_PH
+                              LCH_CONV_LINOX, XCH_TUV_DOBNEW, LCH_PH
 USE MODD_CH_PH_n
 USE MODD_CLOUD_MF_n
 USE MODD_CST
@@ -75,13 +75,13 @@ USE MODD_GET_n
 USE MODD_GRID,          ONLY: XLONORI,XLATORI
 USE MODD_GRID_n
 USE MODD_IO,            ONLY: TFILEDATA
-USE MODD_LBC_n
+USE MODD_LBC_n,         only: CLBCX, CLBCY
 USE MODD_LSFIELD_n
 USE MODD_LUNIT_n,       ONLY: COUTFILE, TLUOUT
 USE MODD_MEAN_FIELD
 USE MODD_MEAN_FIELD_n
 USE MODD_METRICS_n
-USE MODD_NESTING
+USE MODD_NESTING,       only: CDAD_NAME, NDAD, NDT_2_WAY, NDTRATIO, NDXRATIO_ALL, NDYRATIO_ALL
 USE MODD_NSV
 USE MODD_NUDGING_n,     ONLY: LNUDGING
 USE MODD_OUT_n
@@ -89,7 +89,6 @@ USE MODD_PARAMETERS
 USE MODD_PARAM_KAFR_n
 USE MODD_PARAM_MFSHALL_n
 USE MODD_PARAM_n
-USE MODD_PARAM_RAD_n,   ONLY: CLW, CAER
 USE MODD_PASPOL
 USE MODD_PASPOL_n
 USE MODD_BLOWSNOW
@@ -705,12 +704,7 @@ CALL INI_BIKHARDT_n (NDXRATIO_ALL(KMI),NDYRATIO_ALL(KMI),KMI)
 !*       6.    INITIALIZE GRIDS AND METRIC COEFFICIENTS
 !              ----------------------------------------
 !
-CALL SET_GRID(KMI,TPINIFILE,IIU,IJU,IKU,NIMAX_ll,NJMAX_ll,               &
-              XBMX1,XBMX2,XBMX3,XBMX4,XBMY1,XBMY2,XBMY3,XBMY4,           &
-              XBFX1,XBFX2,XBFX3,XBFX4,XBFY1,XBFY2,XBFY3,XBFY4,           &
-              NXOR_ALL(KMI),NYOR_ALL(KMI),NXEND_ALL(KMI),NYEND_ALL(KMI), &
-              NDXRATIO_ALL(KMI),NDYRATIO_ALL(KMI),                       &
-              CLBCX,CLBCY,                                               &
+CALL SET_GRID(KMI,TPINIFILE,IKU,NIMAX_ll,NJMAX_ll,                       &
               XTSTEP,XSEGLEN,                                            &
               XLONORI,XLATORI,XLON,XLAT,                                 &
               XXHAT,XYHAT,XDXHAT,XDYHAT, XMAP,                           &
diff --git a/src/MNH/modeln.f90 b/src/MNH/modeln.f90
index 37e126a8af2544f9c6302e4ea5bcfd042fa6db1d..f363d89e81b28494621b2245011f0671e444a5de 100644
--- a/src/MNH/modeln.f90
+++ b/src/MNH/modeln.f90
@@ -256,9 +256,9 @@ END MODULE MODI_MODEL_n
 !  P. Wautelet 07/02/2019: remove OPARALLELIO argument from open and close files subroutines
 !                          (nsubfiles_ioz is now determined in IO_File_add2list)
 !!                   02/2019 C.Lac add rain fraction as an output field
-!!      Bielli S. 02/2019  Sea salt : significant sea wave height influences salt emission; 5 salt modes
 !  P. Wautelet 28/03/2019: use MNHTIME for time measurement variables
 !  P. Wautelet 28/03/2019: use TFILE instead of unit number for set_iluout_timing
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
 !!-------------------------------------------------------------------------------
 !
 !*       0.     DECLARATIONS
@@ -269,18 +269,17 @@ USE MODD_ADV_n
 USE MODD_AIRCRAFT_BALLOON
 USE MODD_BAKOUT
 USE MODD_BIKHARDT_n
-USE MODD_BLANK 
+USE MODD_BLANK
 USE MODD_BUDGET
 USE MODD_CH_AERO_n,      ONLY: XSOLORG, XMI
 USE MODD_CH_MNHC_n,      ONLY: LUSECHEM,LCH_CONV_LINOX,LUSECHAQ,LUSECHIC, &
                                LCH_INIT_FIELD
-USE MODD_CLOUD_MF_n  
+USE MODD_CLOUD_MF_n
 USE MODD_VISCOSITY
 USE MODD_DRAG_n
 USE MODD_CLOUDPAR_n
 USE MODD_CONF
 USE MODD_CONF_n
-USE MODD_CST, ONLY: XMD
 USE MODD_CURVCOR_n
 USE MODD_DEEP_CONVECTION_n
 USE MODD_DIM_n
@@ -317,9 +316,9 @@ USE MODD_PARAM_C1R3,     ONLY: NSEDI => LSEDI, NHHONI => LHHONI
 USE MODD_PARAM_C2R2,     ONLY: NSEDC => LSEDC, NRAIN => LRAIN, NACTIT => LACTIT,LACTTKE,LDEPOC
 USE MODD_PARAMETERS
 USE MODD_PARAM_ICE,      ONLY: LWARM,LSEDIC,LCONVHG,LDEPOSC
-USE MODD_PARAM_LIMA,     ONLY: MSEDC => LSEDC, MWARM => LWARM, MRAIN => LRAIN, LACTI,  &
-                               MACTIT => LACTIT, LSCAV, NMOD_CCN, LCOLD,               &
-                               MSEDI => LSEDI, MHHONI => LHHONI, NMOD_IFN, LHAIL,      &
+USE MODD_PARAM_LIMA,     ONLY: MSEDC => LSEDC, MWARM => LWARM, MRAIN => LRAIN, &
+                               MACTIT => LACTIT, LSCAV, LCOLD,                 &
+                               MSEDI => LSEDI, MHHONI => LHHONI, LHAIL,        &
                                XRTMIN_LIMA=>XRTMIN, MACTTKE=>LACTTKE
 USE MODD_BLOWSNOW_n
 USE MODD_BLOWSNOW
@@ -361,6 +360,7 @@ USE MODI_ADVECTION_UVW_CEN
 USE MODI_ADV_FORCING_n
 USE MODI_AER_MONITOR_n
 USE MODI_AIRCRAFT_BALLOON
+USE MODI_BLOWSNOW
 USE MODI_BOUNDARIES
 USE MODI_BUDGET_FLAGS
 USE MODI_CART_COMPRESS
@@ -420,8 +420,6 @@ USE MODI_WRITE_LFIFMN_FORDIACHRO_n
 USE MODI_WRITE_PROFILER_n
 USE MODI_WRITE_SERIES_n
 USE MODI_WRITE_STATION_n
-USE MODI_BLOWSNOW
-
 USE MODI_WRITE_SURF_ATM_N
 !
 IMPLICIT NONE
@@ -437,10 +435,9 @@ LOGICAL, INTENT(INOUT):: OEXIT
 !
 INTEGER :: ILUOUT      ! Logical unit number for the output listing
 INTEGER :: IIU,IJU,IKU ! array size in first, second and third dimensions
-INTEGER :: IIB,IIE,IJB,IJE,IKB,IKE ! index values for the physical subdomain
+INTEGER :: IIB,IIE,IJB,IJE ! index values for the physical subdomain
 INTEGER :: JSV,JRR     ! Loop index for scalar and moist variables
 INTEGER  :: INBVAR              ! number of HALO2_lls to allocate
-INTEGER  :: IRESP               ! return code in FM routines
 INTEGER  :: IINFO_ll            ! return code of parallel routine
 INTEGER :: IVERB                ! LFI verbosity level
 LOGICAL :: GSTEADY_DMASS        ! conditional call to mass computation
@@ -451,29 +448,6 @@ REAL(kind=MNHTIME), DIMENSION(2) :: ZTIME_STEP,ZTIME_STEP_PTS
 CHARACTER                 :: YMI
 INTEGER                   :: IPOINTS
 CHARACTER(len=16)         :: YTCOUNT,YPOINTS
-
-REAL         :: ZSTAT_CSTORE,ZSTAT_CBOUND,ZSTAT_CGUESS,ZSTAT_CADV,ZSTAT_CSOURCES
-REAL         :: ZSTAT_CDIFF,ZSTAT_CRELAX,ZSTAT_CPARAM
-REAL         :: ZSTAT_CSPECTRA,ZSTAT_CRAD_BOUND,ZSTAT_CPRESS
-REAL         :: ZSTAT_CCLOUD,ZSTAT_CSTEP_SWA,ZSTAT_CSTEP_MISC
-REAL         :: ZSTAT_CCOUPL,ZSTAT_CSTEP_BUD,ZSTAT_CSTEP_CDRAG
-REAL         :: ZSTAT_CSTEP_CTRACER,ZSTAT_CSTEP_CELEC
-REAL         :: SCONV_CTURB,ZSTAT_C1WAY,ZSTAT_C2WAY,ZSTAT_CMAFL
-REAL         :: ZSTAT_CRAD,ZSTAT_CDCONV,ZSTAT_CGROUND,ZSTAT_CHALO
-REAL         :: ZSTAT_CFORCING,ZSTAT_CNUDGING,ZSTAT_CCHEM
-!
-REAL         :: ZPERCALL,ZPRICE
-REAL         :: ZPERCSTORE,ZPERCBOUND,ZPERCGUESS,ZPERCADV,ZPERCSOURCES,ZPERCDRAG
-REAL         :: ZPERCDIFF,ZPERCRELAX,ZPERCPARAM
-REAL         :: ZPERCSPECTRA,ZPERCRAD_BOUND,ZPERCPRESS
-REAL         :: ZPERCCLOUD,ZPERCSTEP_SWA,ZPERCSTEP_MISC
-REAL         :: ZPERCELEC
-REAL         :: ZPERCCOUPL,ZPERCSTEP_BUD
-REAL         :: ZPERCTURB,ZPERC1WAY,ZPERC2WAY
-REAL         :: ZPERCRAD,ZPERCSHADOWS,ZPERCKAFR,ZPERCGROUND,ZPERCHALO,ZPERCMAFL,ZPERTRACER
-REAL         :: ZPERCFORCING,ZPERCNUDGING,ZPERCCHEM
-REAL         :: ZTSTEP_UVW   ! Double timestep except for cold start (single)
-REAL         :: ZTSTEP_MET,ZTSTEP_SV ! Effective time step for advection
 !
 INTEGER :: ISYNCHRO          ! model synchronic index relative to its father
                              ! = 1  for the first time step in phase with DAD
@@ -532,24 +506,12 @@ LOGICAL :: KSEDC
 LOGICAL :: KACTIT
 LOGICAL :: KSEDI
 LOGICAL :: KHHONI
-REAL :: TEMPS
-INTEGER :: NSV_END
-CHARACTER (LEN=100) :: YCOMMENT   ! Comment string in LFIFM file
-CHARACTER (LEN=LEN_HREC)  :: YRECFM     ! Name of the desired field in LFIFM file
-!
-INTEGER             :: ILENG      ! Length of comment string in LFIFM file
-INTEGER             :: IGRID      ! C-grid indicator in LFIFM file
-INTEGER             :: ILENCH     ! Length of comment string in LFIFM file
 !
 REAL, DIMENSION(SIZE(XTHT,1),SIZE(XTHT,2),SIZE(XTHT,3)) :: ZRUS,ZRVS,ZRWS
 REAL, DIMENSION(SIZE(XTHT,1),SIZE(XTHT,2),SIZE(XTHT,3)) :: ZPABST !To give pressure at t 
                                                      ! (and not t+1) to resolved_cloud
 REAL, DIMENSION(SIZE(XTHT,1),SIZE(XTHT,2),SIZE(XTHT,3)) :: ZJ
 !
-! for various testing
-INTEGER :: IK
-REAL, DIMENSION(SIZE(XTHT,1),SIZE(XTHT,2),SIZE(XTHT,3)) :: ZTMP
-!
 TYPE(LIST_ll), POINTER :: TZFIELDC_ll   ! list of fields to exchange
 TYPE(HALO2LIST_ll), POINTER :: TZHALO2C_ll   ! list of fields to exchange
 LOGICAL :: GCLD                     ! conditionnal call for dust wet deposition
@@ -614,8 +576,6 @@ ILUOUT = TLUOUT%NLU
 CALL GET_DIM_EXT_ll('B',IIU,IJU)
 IKU=NKMAX+2*JPVEXT
 CALL GET_INDICE_ll (IIB,IJB,IIE,IJE)
-IKB=1+JPVEXT
-IKE=IKU-JPVEXT
 !
 IF (IMI==1) THEN
   GSTEADY_DMASS=LSTEADYLS
@@ -1121,8 +1081,8 @@ IF (NMODEL>1) THEN
   DPTR_GMASKkids=>GMASKkids
   !
   CALL TWO_WAY(     NRR,NSV,KTCOUNT,DPTR_XRHODJ,IMI,XTSTEP,                                    &
-       DPTR_XUM ,DPTR_XVM ,DPTR_XWM , DPTR_XTHM, DPTR_XRM, DPTR_XTKEM, DPTR_XSVM,              &        
-       DPTR_XRUS,DPTR_XRVS,DPTR_XRWS,DPTR_XRTHS,DPTR_XRRS,DPTR_XRTKES,DPTR_XRSVS,              &
+       DPTR_XUM ,DPTR_XVM ,DPTR_XWM , DPTR_XTHM, DPTR_XRM,DPTR_XSVM,                           &
+       DPTR_XRUS,DPTR_XRVS,DPTR_XRWS,DPTR_XRTHS,DPTR_XRRS,DPTR_XRSVS,                          &
        DPTR_XINPRC,DPTR_XINPRR,DPTR_XINPRS,DPTR_XINPRG,DPTR_XINPRH,DPTR_XPRCONV,DPTR_XPRSCONV, &
        DPTR_XDIRFLASWD,DPTR_XSCAFLASWD,DPTR_XDIRSRFSWD,DPTR_GMASKkids           )
 END IF
diff --git a/src/MNH/prep_ideal_case.f90 b/src/MNH/prep_ideal_case.f90
index b5aba7c9534ab6f71a48987110735d6947f14f3e..3422ec0bb0faf09a84b91e15259fc2b29cf7555c 100644
--- a/src/MNH/prep_ideal_case.f90
+++ b/src/MNH/prep_ideal_case.f90
@@ -315,6 +315,7 @@
 !  P. Wautelet 14/02/2019: remove CLUOUT/CLUOUT0 and associated variables
 !  P. Wautelet 28/03/2019: use MNHTIME for time measurement variables
 !  P. Wautelet 28/03/2019: use TFILE instead of unit number for set_iluout_timing
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
 !-------------------------------------------------------------------------------
 !
 !*       0.   DECLARATIONS
@@ -340,8 +341,7 @@ USE MODD_DYN_n
 USE MODD_LBC_n
 USE MODD_LSFIELD_n
 USE MODD_PARAM_n
-USE MODD_CH_MNHC_n, ONLY:  LUSECHEM, LUSECHAQ, LUSECHIC, LCH_PH,  &
-                           LCH_INIT_FIELD, CCHEM_INPUT_FILE 
+USE MODD_CH_MNHC_n,        ONLY:  LUSECHEM, LUSECHAQ, LUSECHIC, LCH_PH, LCH_INIT_FIELD
 USE MODD_CH_AEROSOL,ONLY:  LORILAM, CORGANIC, LVARSIGI, LVARSIGJ, LINITPM, XINIRADIUSI, &
                            XINIRADIUSJ, XINISIGI, XINISIGJ, XN0IMIN, XN0JMIN, CRGUNIT
 USE MODD_DUST,      ONLY:  LDUST, NMODE_DST, CRGUNITD, XINISIG, XINIRADIUS, XN0MIN 
@@ -351,8 +351,7 @@ USE MODD_LUNIT,     ONLY:  TLUOUT0, TOUTDATAFILE
 USE MODD_LUNIT_n
 USE MODD_IO,        ONLY: NIO_VERB, NVERB_DEBUG, TFILE_DUMMY, TFILE_OUTPUTLISTING
 USE MODD_CONF_n
-USE MODD_NSV,      ONLY : NSV,NSV_CHEM,           &
-                          NSV_DSTEND, NSV_DSTBEG
+USE MODD_NSV,              ONLY: NSV
 use modd_precision, only: LFIINT, MNHREAL_MPI, MNHTIME
 !
 USE MODN_BLANK
@@ -485,9 +484,6 @@ LOGICAL            :: LGEOSBAL =.FALSE. ! Logical to satisfy the geostrophic
                                         ! balance
                                         ! .TRUE. for geostrophic balance
                                         ! .FALSE. to ignore this balance
-LOGICAL            :: LPV_PERT =.FALSE. ! Logical to add a PV pertubation
-LOGICAL            :: LRMV_BL  =.FALSE. ! Logical to remove the boundary layer
-                                        ! before PV inversion
 LOGICAL            :: LSHIFT   =.FALSE.  ! flag to perform vertical shift or not.        
 CHARACTER(LEN=3)   :: CFUNU ='ZZZ'      ! CHARACTER STRING for variation of
                                         ! U in y direction
@@ -538,7 +534,6 @@ LOGICAL  :: LREAD_ZS = .TRUE.,                & ! switch to use orography
 INTEGER           :: NSLEVE   =12         ! number of iteration for smooth orography
 REAL              :: XSMOOTH_ZS = XUNDEF  ! optional uniform smooth orography for SLEVE coordinate
 CHARACTER(LEN=28) :: YPGD_NAME, YPGD_DAD_NAME   ! general information
-CHARACTER(LEN=8)  :: YKIND                      ! Kind of radiosounding data
 CHARACTER(LEN=2)  :: YPGD_TYPE
 !
 INTEGER           :: IINFO_ll                   ! return code of // routines
@@ -561,15 +556,10 @@ REAL                :: ZDIST
 REAL(kind=MNHTIME), DIMENSION(2) :: ZTIME1, ZTIME2, ZEND, ZTOT
 CHARACTER                 :: YMI
 INTEGER                   :: IMI
-INTEGER::JK                                 
 !JUAN TIMING
 !
 REAL, DIMENSION(:),   ALLOCATABLE :: ZZS_ll
-INTEGER                           :: IJ 
-INTEGER           :: NZSFILTER=1          ! number of iteration for filter for fine   orography
-LOGICAL           :: LHSLOP=.FALSE.       ! filtering of slopes higher than XHSLOP   
-REAL              :: XHSLOP=1.2           ! if LHSLOP filtering of slopes higher than XHSLOP
-
+INTEGER                           :: IJ
 !
 REAL              :: ZZS_MAX, ZZS_MAX_ll
 INTEGER           :: IJPHEXT
@@ -582,8 +572,8 @@ TYPE(TFILEDATA),POINTER :: TZEXPREFILE  => NULL()
 NAMELIST/NAM_CONF_PRE/ LTHINSHELL,LCARTESIAN,    &! Declarations in MODD_CONF
                        LPACK,                    &!
                        NVERB,CIDEAL,CZS,         &!+global variables initialized
-                       LBOUSS,LPERTURB,LPV_PERT, &! at their declarations
-                       LRMV_BL,LFORCING,CEQNSYS, &! at their declarations
+                       LBOUSS,LPERTURB,          &! at their declarations
+                       LFORCING,CEQNSYS,         &! at their declarations
                        LSHIFT,L2D_ADV_FRC,L2D_REL_FRC, &
                        NHALO , JPHEXT
 NAMELIST/NAM_GRID_PRE/ XLON0,XLAT0,            & ! Declarations in MODD_GRID
@@ -1462,15 +1452,6 @@ END IF
 !*       5.2    Prognostic variables (not multiplied by  rhoJ) : u,v,w,theta,r
 !               and 1D anelastic reference state
 !
-IF(LPV_PERT .AND. .NOT.(LGEOSBAL)) THEN
-   !callabortstop
-  CALL PRINT_MSG(NVERB_FATAL,'GEN','PREP_IDEAL_CASE','for PV inversion, LGEOSBAL has to be true')
-ENDIF
-!
-IF(LPV_PERT .AND. NPROC>1) THEN
-  !callabortstop
-  CALL PRINT_MSG(NVERB_FATAL,'GEN','PREP_IDEAL_CASE','PV inversion has to be performed in monoprocess mode')
-ENDIF
 !
 !*       5.2.1  Use a Radiosounding : CIDEAL='RSOU''
 !
@@ -1482,15 +1463,13 @@ IF (CIDEAL == 'RSOU') THEN
   TDTEXP = TDTCUR
   TDTSEG = TDTCUR
   TDTMOD = TDTCUR
-  READ(NLUPRE,*) YKIND
-  BACKSPACE(NLUPRE)    ! because YKIND read again in set_rsou
   WRITE(NLUOUT,FMT=*) 'CIDEAL="RSOU", ATTEMPT TO PROCESS THE SOUNDING DATA'
   IF (LGEOSBAL) THEN
-    CALL SET_RSOU(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS,LPV_PERT,&
-                  LRMV_BL,XJ,LSHIFT,XCORIOZ)
+    CALL SET_RSOU(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS, &
+                  XJ,LSHIFT,XCORIOZ)
   ELSE
-    CALL SET_RSOU(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS,LPV_PERT,&
-                  LRMV_BL,XJ,LSHIFT)
+    CALL SET_RSOU(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS, &
+                  XJ,LSHIFT)
   END IF
 !
 !*       5.2.2  N=cste  and U(z) : CIDEAL='CSTN'
@@ -1505,11 +1484,11 @@ ELSE IF (CIDEAL == 'CSTN') THEN
   TDTMOD = TDTCUR
   WRITE(NLUOUT,FMT=*) 'CIDEAL="CSTN", ATTEMPT TO PROCESS THE SOUNDING DATA'
   IF (LGEOSBAL) THEN
-    CALL SET_CSTN(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS,LPV_PERT,&
-                  LRMV_BL,XJ,LSHIFT,XCORIOZ)
+    CALL SET_CSTN(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS, &
+                  XJ,LSHIFT,XCORIOZ)
   ELSE
-    CALL SET_CSTN(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS,LPV_PERT,&
-                  LRMV_BL,XJ,LSHIFT)
+    CALL SET_CSTN(TFILE_DUMMY,TZEXPREFILE,CFUNU,CFUNV,NILOC(1),NJLOC(1),LBOUSS, &
+                  XJ,LSHIFT)
   END IF
 !
 END IF 
diff --git a/src/MNH/set_cstn.f90 b/src/MNH/set_cstn.f90
index f51497f748ae1dc62f0503491c7926bfdb4699e1..3ec1a28b54b6a2220d145c4a2a10c67672baa5b1 100644
--- a/src/MNH/set_cstn.f90
+++ b/src/MNH/set_cstn.f90
@@ -9,7 +9,7 @@
 !
 INTERFACE
 !
-SUBROUTINE SET_CSTN(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS,OPV_PERT,ORMV_BL,PJ,OSHIFT,PCORIOZ) 
+SUBROUTINE SET_CSTN(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS,PJ,OSHIFT,PCORIOZ)
 !
 USE MODD_IO, ONLY : TFILEDATA
 !
@@ -22,8 +22,6 @@ CHARACTER(LEN=*),       INTENT(IN)  :: HFUNV  ! type of variation of V
 INTEGER,                INTENT(IN)  :: KILOC  ! I Localisation of vertical profile
 INTEGER,                INTENT(IN)  :: KJLOC  ! J Localisation of vertical profile
 LOGICAL,                INTENT(IN)  :: OBOUSS ! logical switch for Boussinesq version
-LOGICAL,                INTENT(IN)  :: OPV_PERT! logical switch for PV inversion
-LOGICAL,                INTENT(IN)  :: ORMV_BL! logical switch for remouve boundary layer
 REAL, DIMENSION(:,:,:), INTENT(IN) :: PJ ! jacobien 
 LOGICAL,                INTENT(IN)  :: OSHIFT ! logical switch for vertical shift
 !
@@ -39,7 +37,7 @@ END MODULE MODI_SET_CSTN
 !
 !
 !     ##################################################################################
-      SUBROUTINE SET_CSTN(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS,OPV_PERT,ORMV_BL,PJ,OSHIFT,PCORIOZ) 
+      SUBROUTINE SET_CSTN(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS,PJ,OSHIFT,PCORIOZ)
 !     ##################################################################################
 !
 !!****  *SET_CSTN * - routine to initialize mass and wind fields from a Nv=cste 
@@ -164,6 +162,7 @@ END MODULE MODI_SET_CSTN
 !!      V.Masson    12/08/13  Parallelization of the initilization profile
 !!      J.Escobar : 15/09/2015 : WENO5 & JPHEXT <> 1 
 !!  Philippe Wautelet: 05/2016-04/2018: new data structures and calls for I/O
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
 !-------------------------------------------------------------------------------
 !
 !*       0.    DECLARATIONS
@@ -198,8 +197,6 @@ CHARACTER(LEN=*),       INTENT(IN)  :: HFUNV  ! type of variation of V
 INTEGER,                INTENT(IN)  :: KILOC  ! I Localisation of vertical profile
 INTEGER,                INTENT(IN)  :: KJLOC  ! J Localisation of vertical profile
 LOGICAL,                INTENT(IN)  :: OBOUSS ! logical switch for Boussinesq version
-LOGICAL,                INTENT(IN)  :: OPV_PERT! logical switch for PV inversion
-LOGICAL,                INTENT(IN)  :: ORMV_BL! logical switch for remouve boundary layer
 REAL, DIMENSION(:,:,:), INTENT(IN) :: PJ ! jacobien 
 LOGICAL,                INTENT(IN)  :: OSHIFT ! logical switch for vertical shift
 !
@@ -211,10 +208,7 @@ REAL, DIMENSION(:,:,:), INTENT(OUT), OPTIONAL :: PCORIOZ ! Coriolis parameter
 !
 ! fields and data on the sounding levels
 !
-INTEGER                         :: ILUPRE,IRESP ! logical unit number of the 
-                                                ! EXPRE and FM return code
-INTEGER                         :: ILUOUT    ! Logical unit number for
-                                             ! output-listing   
+INTEGER                         :: ILUPRE   ! logical unit number
 INTEGER                         :: ILEVEL   ! number of levels 
 INTEGER                         :: ILAYER   ! number of layers
 REAL                            :: ZPGROUND ! pressure at the ground level
@@ -228,8 +222,6 @@ INTEGER                         :: JK,JKLEV ! Loop indexes
 !
 !  variables on the grid without orography
 !
-REAL, DIMENSION(SIZE(XZHAT))    :: ZZHATM  ! Height of mass model grid levels 
-                                           ! without orography 
 REAL, DIMENSION(SIZE(XZHAT))    :: ZTHVM   ! Virtual potential Temperature
                                            ! at mass model grid levels
 REAL, DIMENSION(SIZE(XZHAT))    :: ZTVM    ! Virtual Temperature at mass model
@@ -266,7 +258,6 @@ LOGICAL         :: GPROFILE_IN_PROC   ! T : initialization profile is in current
 !	        ------------------------------------------------------------
 !
 ILUPRE = TPEXPREFILE%NLU
-ILUOUT = TLUOUT%NLU
 !
 CALL GET_INDICE_ll(IIB,IJB,IIE,IJE)
 CALL GET_OR_ll('B',IXOR_ll,IYOR_ll)
diff --git a/src/MNH/set_grid.f90 b/src/MNH/set_grid.f90
index 6bd63a50719bd39eca5446d96ffe6f79ddbad481..9d8c9557115a4d595b5a787dd112f2d9292ec3c3 100644
--- a/src/MNH/set_grid.f90
+++ b/src/MNH/set_grid.f90
@@ -10,11 +10,7 @@
 INTERFACE
 !
       SUBROUTINE SET_GRID(KMI,TPINIFILE,                                      &
-                          KIU,KJU,KKU,KIMAX_ll,KJMAX_ll,                      &
-                          PBMX1,PBMX2,PBMX3,PBMX4,PBMY1,PBMY2,PBMY3,PBMY4,    &
-                          PBFX1,PBFX2,PBFX3,PBFX4,PBFY1,PBFY2,PBFY3,PBFY4,    &
-                          KXOR,KYOR,KXEND,KYEND,KDXRATIO,KDYRATIO,            &
-                          HLBCX,HLBCY,                                        &
+                          KKU,KIMAX_ll,KJMAX_ll,                              &
                           PTSTEP,PSEGLEN,                                     &
                           PLONORI,PLATORI,PLON,PLAT,                          &
                           PXHAT,PYHAT,PDXHAT,PDYHAT, PMAP,                    &
@@ -28,26 +24,12 @@ USE MODD_IO, ONLY: TFILEDATA,TOUTBAK
 !
 INTEGER,                INTENT(IN)  :: KMI       ! Model index
 TYPE(TFILEDATA),        INTENT(IN)  :: TPINIFILE !Initial file
-INTEGER,                INTENT(IN)  :: KIU       ! Upper dimension in x direction
-                                                 ! for sub-domain arrays
-INTEGER,                INTENT(IN)  :: KJU       ! Upper dimension in y direction
-                                                 ! for sub-domain arrays
 INTEGER,                INTENT(IN)  :: KKU       ! Upper dimension in z direction
                                                  ! for domain arrays
 INTEGER,                INTENT(IN)  :: KIMAX_ll  !  Dimensions  in x direction
                                                  ! of the physical domain,
 INTEGER,                INTENT(IN)  :: KJMAX_ll  !  Dimensions  in y direction
                                                  ! of the physical domain,
-REAL, DIMENSION(:), INTENT(IN) :: PBMX1,PBMX2,PBMX3,PBMX4 ! Mass points in X-direc.
-REAL, DIMENSION(:), INTENT(IN) :: PBMY1,PBMY2,PBMY3,PBMY4 ! Mass points in Y-direc.
-REAL, DIMENSION(:), INTENT(IN) :: PBFX1,PBFX2,PBFX3,PBFX4 ! Flux points in X-direc.
-REAL, DIMENSION(:), INTENT(IN) :: PBFY1,PBFY2,PBFY3,PBFY4 ! Flux points in Y-direc.
-INTEGER,   INTENT(IN)  :: KXOR,KXEND !  horizontal position (i,j) of the ORigin and END
-INTEGER,   INTENT(IN)  :: KYOR,KYEND ! of the inner model domain, relative to outer model
-INTEGER,   INTENT(IN)  :: KDXRATIO   !  x and y-direction resolution RATIO
-INTEGER,   INTENT(IN)  :: KDYRATIO   ! between inner model and outer model
-CHARACTER (LEN=4), DIMENSION (2), INTENT(IN) :: HLBCX   ! type of lateral
-CHARACTER (LEN=4), DIMENSION (2), INTENT(IN) :: HLBCY   ! boundary conditions
 !
 REAL,                   INTENT(IN)  :: PTSTEP    ! time step of model KMI
 REAL,                   INTENT(INOUT) :: PSEGLEN ! segment duration (in seconds)
@@ -100,11 +82,7 @@ END MODULE MODI_SET_GRID
 !
 !     #########################################################################
       SUBROUTINE SET_GRID(KMI,TPINIFILE,                                      &
-                          KIU,KJU,KKU,KIMAX_ll,KJMAX_ll,                      &
-                          PBMX1,PBMX2,PBMX3,PBMX4,PBMY1,PBMY2,PBMY3,PBMY4,    &
-                          PBFX1,PBFX2,PBFX3,PBFX4,PBFY1,PBFY2,PBFY3,PBFY4,    &
-                          KXOR,KYOR,KXEND,KYEND,KDXRATIO,KDYRATIO,            &
-                          HLBCX,HLBCY,                                        &
+                          KKU,KIMAX_ll,KJMAX_ll,                              &
                           PTSTEP,PSEGLEN,                                     &
                           PLONORI,PLATORI,PLON,PLAT,                          &
                           PXHAT,PYHAT,PDXHAT,PDYHAT, PMAP,                    &
@@ -228,6 +206,7 @@ END MODULE MODI_SET_GRID
 !!                            grid-nesting lbc
 !!     V.MASSON 12/10/00 read of the orography in all cases, even if LFLAT=T
 !!  Philippe Wautelet: 05/2016-04/2018: new data structures and calls for I/O
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
 !-------------------------------------------------------------------------------
 !
 !*       0.    DECLARATIONS
@@ -258,26 +237,12 @@ IMPLICIT NONE
 !
 INTEGER,                INTENT(IN)  :: KMI       ! Model index
 TYPE(TFILEDATA),        INTENT(IN)  :: TPINIFILE !Initial file
-INTEGER,                INTENT(IN)  :: KIU       ! Upper dimension in x direction
-                                                 ! for sub-domain arrays
-INTEGER,                INTENT(IN)  :: KJU       ! Upper dimension in y direction
-                                                 ! for sub-domain arrays
 INTEGER,                INTENT(IN)  :: KKU       ! Upper dimension in z direction
                                                  ! for domain arrays
 INTEGER,               INTENT(IN)   :: KIMAX_ll  !  Dimensions  in x direction
                                                  ! of the physical domain,
 INTEGER,               INTENT(IN)   :: KJMAX_ll  !  Dimensions  in y direction
                                                  ! of the physical domain,
-REAL, DIMENSION(:), INTENT(IN) :: PBMX1,PBMX2,PBMX3,PBMX4 ! Mass points in X-direc.
-REAL, DIMENSION(:), INTENT(IN) :: PBMY1,PBMY2,PBMY3,PBMY4 ! Mass points in Y-direc.
-REAL, DIMENSION(:), INTENT(IN) :: PBFX1,PBFX2,PBFX3,PBFX4 ! Flux points in X-direc.
-REAL, DIMENSION(:), INTENT(IN) :: PBFY1,PBFY2,PBFY3,PBFY4 ! Flux points in Y-direc.
-INTEGER,   INTENT(IN)  :: KXOR,KXEND !  horizontal position (i,j) of the ORigin and END
-INTEGER,   INTENT(IN)  :: KYOR,KYEND ! of the inner model domain, relative to outer model
-INTEGER,   INTENT(IN)  :: KDXRATIO   !  x and y-direction resolution RATIO
-INTEGER,   INTENT(IN)  :: KDYRATIO   ! between inner model and outer model
-CHARACTER (LEN=4), DIMENSION (2), INTENT(IN) :: HLBCX   ! type of lateral
-CHARACTER (LEN=4), DIMENSION (2), INTENT(IN) :: HLBCY   ! boundary conditions
 !
 REAL,                   INTENT(IN)  :: PTSTEP    ! time step of model KMI
 REAL,                   INTENT(INOUT) :: PSEGLEN ! segment duration (in seconds)
diff --git a/src/MNH/set_rsou.f90 b/src/MNH/set_rsou.f90
index 6c38994c69acbdb6fa7395694f04c42626af5acf..5a787a31bd6be1946fb9b1c7bdf5770622c16812 100644
--- a/src/MNH/set_rsou.f90
+++ b/src/MNH/set_rsou.f90
@@ -9,8 +9,8 @@
 !
 INTERFACE
 !
-      SUBROUTINE SET_RSOU(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS,OPV_PERT,&
-                          ORMV_BL,PJ,OSHIFT,PCORIOZ) 
+      SUBROUTINE SET_RSOU(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS,&
+                          PJ,OSHIFT,PCORIOZ)
 !
 USE MODD_IO, ONLY : TFILEDATA
 !
@@ -23,8 +23,6 @@ CHARACTER(LEN=*),       INTENT(IN)  :: HFUNV  ! type of variation of V
 INTEGER,                INTENT(IN)  :: KILOC  ! I Localisation of vertical profile
 INTEGER,                INTENT(IN)  :: KJLOC  ! J Localisation of vertical profile
 LOGICAL,                INTENT(IN)  :: OBOUSS ! logical switch for Boussinesq version
-LOGICAL,                INTENT(IN)  :: OPV_PERT! logical switch for PV inversion
-LOGICAL,                INTENT(IN)  :: ORMV_BL! logical switch for remouve boundary layer
 REAL, DIMENSION(:,:,:), INTENT(IN) :: PJ ! jacobien 
 LOGICAL,                INTENT(IN)  :: OSHIFT ! logical switch for vertical shift
 !
@@ -37,10 +35,10 @@ END INTERFACE
 !
 END MODULE MODI_SET_RSOU
 !
-!     ###########################################################################
-      SUBROUTINE SET_RSOU(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS,OPV_PERT,&
-                          ORMV_BL,PJ,OSHIFT,PCORIOZ) 
-!     ###########################################################################
+!     ########################################################################
+      SUBROUTINE SET_RSOU(TPFILE,TPEXPREFILE,HFUNU,HFUNV,KILOC,KJLOC,OBOUSS, &
+                          PJ,OSHIFT,PCORIOZ)
+!     ########################################################################
 !
 !!****  *SET_RSOU * -  to initialize mass fiels from a radiosounding 
 !!
@@ -243,6 +241,7 @@ END MODULE MODI_SET_RSOU
 !!      V.Masson    12/08/13  Parallelization of the initilization profile
 !!      J.Escobar : 15/09/2015 : WENO5 & JPHEXT <> 1 
 !!  Philippe Wautelet: 05/2016-04/2018: new data structures and calls for I/O
+!  P. Wautelet 19/04/2019: removed unused dummy arguments and variables
 !-------------------------------------------------------------------------------
 !
 !*       0.    DECLARATIONS
@@ -255,9 +254,7 @@ USE MODD_FIELD_n
 USE MODD_GRID
 USE MODD_GRID_n
 USE MODD_IO,         ONLY: TFILEDATA
-USE MODD_LUNIT_n
 USE MODD_PARAMETERS, ONLY: JPHEXT
-USE MODD_PARAM_n,    ONLY: CCLOUD
 !
 USE MODE_ll
 USE MODE_MSG
@@ -286,8 +283,6 @@ CHARACTER(LEN=*),       INTENT(IN)  :: HFUNV  ! type of variation of V
 INTEGER,                INTENT(IN)  :: KILOC  ! I Localisation of vertical profile
 INTEGER,                INTENT(IN)  :: KJLOC  ! J Localisation of vertical profile
 LOGICAL,                INTENT(IN)  :: OBOUSS ! logical switch for Boussinesq version
-LOGICAL,                INTENT(IN)  :: OPV_PERT! logical switch for PV inversion
-LOGICAL,                INTENT(IN)  :: ORMV_BL! logical switch for remouve boundary layer
 LOGICAL,                INTENT(IN)  :: OSHIFT ! logical switch for vertical shift
 REAL, DIMENSION(:,:,:), INTENT(OUT), OPTIONAL :: PCORIOZ ! Coriolis parameter
                                                ! (exceptionnaly 3D array)
@@ -296,10 +291,7 @@ REAL, DIMENSION(:,:,:), INTENT(IN) :: PJ ! jacobien
 !
 !*       0.2   Declarations of local variables :
 !
-INTEGER                         :: ILUPRE,IRESP ! logical unit number of the 
-                                                ! EXPRE and FM return code
-INTEGER                         :: ILUOUT    ! Logical unit number for
-                                             ! output-listing   
+INTEGER                         :: ILUPRE ! logical unit number
 !
 !  variables read in EXPRE file at the RS levels
 !
@@ -310,14 +302,13 @@ REAL, DIMENSION(:), ALLOCATABLE :: ZHEIGHTU  ! Height at wind levels
 REAL, DIMENSION(:), ALLOCATABLE :: ZPRESSU   ! Pressure at wind levels
 REAL, DIMENSION(:), ALLOCATABLE :: ZTHVU     ! Thetav at wind levels
 REAL, DIMENSION(:), ALLOCATABLE :: ZU,ZV     ! wind components
-REAL, DIMENSION(:), ALLOCATABLE :: ZU_TURN,ZV_TURN     ! wind components on MESONH grid 
 REAL, DIMENSION(:), ALLOCATABLE :: ZDD,ZFF   ! dd (direction) and ff(force)
                                              !     for wind
 REAL                            :: ZZGROUND,ZPGROUND ! height and Pressure at ground  
 REAL                            :: ZTGROUND,ZTHVGROUND,ZTHDGROUND,ZTHLGROUND,    & 
                                    ZTDGROUND,ZMRGROUND,ZHUGROUND        
                                                   ! temperature and moisture
-                                                  ! variables at ground                                                                
+                                                  ! variables at ground
 INTEGER                         :: ILEVELM   ! number of mass levels
 REAL, DIMENSION(:), ALLOCATABLE :: ZHEIGHTM  ! Height at mass levels
 REAL, DIMENSION(:), ALLOCATABLE :: ZPRESSM   ! Pressure at mass levels
@@ -371,9 +362,7 @@ LOGICAL         :: GPROFILE_IN_PROC   ! T : initialization profile is in current
 !
 REAL,DIMENSION(SIZE(XXHAT),SIZE(XYHAT))   ::ZZS_LS
 REAL,DIMENSION(SIZE(XXHAT),SIZE(XYHAT),SIZE(XZHAT)) ::ZZFLUX_MX,ZZMASS_MX ! mixed grid
-INTEGER :: JJ,JI
 INTEGER :: JLOOP
-CHARACTER(LEN=100) :: YMSG
 !-------------------------------------------------------------------------------
 !
 !*	 1.     PROLOGUE : INITIALIZE SOME CONSTANTS, RETRIEVE LOGICAL
@@ -394,7 +383,6 @@ ZRDSRV = XRD/XRV
 !
 !                           
 ILUPRE = TPEXPREFILE%NLU
-ILUOUT = TLUOUT%NLU
 !
 !*       1.3  Read data kind in EXPRE file 
 !
@@ -402,9 +390,7 @@ READ(ILUPRE,*) YKIND
 !
 !
 IF(LUSERC .AND. YKIND/='PUVTHDMR' .AND. YKIND/='ZUVTHDMR' .AND.  YKIND/='ZUVTHLMR') THEN 
-  WRITE(YMSG,*) 'hydrometeors are not allowed for YKIND = ', YKIND
- !callabortstop
-  CALL PRINT_MSG(NVERB_FATAL,'GEN','SET_RSOU',YMSG)
+  CALL PRINT_MSG(NVERB_FATAL,'GEN','SET_RSOU','hydrometeors are not allowed for YKIND = '//trim(YKIND))
 ENDIF
 ! Demande Thierry Bergot Sept 2012 
 !IF(LUSERC .AND.(YKIND == 'PUVTHDMR' .OR. YKIND == 'ZUVTHDMR').AND. .NOT. L1D) THEN
@@ -1106,9 +1092,7 @@ SELECT CASE(YKIND)
      ZRT(:)=ZMR(:)
      ZTHL(:)=ZTHV(:)*(1+ZRT(:))/(1+ZRVSRD*ZRT(:))
   CASE DEFAULT
- !callabortstop
-    WRITE(YMSG,*) 'data type YKIND=',TRIM(YKIND),' in PREFILE unknown'
-    CALL PRINT_MSG(NVERB_FATAL,'GEN','SET_RSOU',YMSG)
+    CALL PRINT_MSG(NVERB_FATAL,'GEN','SET_RSOU','data type YKIND='//TRIM(YKIND)//' in PREFILE unknown')
 END SELECT
 !
 !-------------------------------------------------------------------------------
@@ -1243,19 +1227,12 @@ DEALLOCATE(ZMRT)
 
 !-------------------------------------------------------------------------------
 !
-!*	 4.     COMPUTE FIELDS ON THE MODEL GRID (WITH OROGRAPHY)
-!	        -------------------------------------------------
-IF (PRESENT(PCORIOZ)) THEN
-  CALL SET_MASS(TPFILE,GPROFILE_IN_PROC, ZZFLUX_PROFILE,                      &
-                KILOC+JPHEXT,KJLOC+JPHEXT,ZZS_LS,ZZMASS_MX,ZZFLUX_MX,ZPGROUND,&
-                ZTHVM,ZMRM,ZUW,ZVW,OSHIFT,OBOUSS,PJ,HFUNU,HFUNV,              &
-                PMRCM=ZMRCM,PMRIM=ZMRIM,PCORIOZ=PCORIOZ)
-ELSE  
-  CALL SET_MASS(TPFILE,GPROFILE_IN_PROC, ZZFLUX_PROFILE,                      &
-                KILOC+JPHEXT,KJLOC+JPHEXT,ZZS_LS,ZZMASS_MX,ZZFLUX_MX,ZPGROUND,&
-                ZTHVM,ZMRM,ZUW,ZVW,OSHIFT,OBOUSS,PJ,HFUNU,HFUNV,              &
-                PMRCM=ZMRCM,PMRIM=ZMRIM)
-ENDIF
+!* 4.     COMPUTE FIELDS ON THE MODEL GRID (WITH OROGRAPHY)
+!         -------------------------------------------------
+CALL SET_MASS(TPFILE,GPROFILE_IN_PROC, ZZFLUX_PROFILE,                      &
+              KILOC+JPHEXT,KJLOC+JPHEXT,ZZS_LS,ZZMASS_MX,ZZFLUX_MX,ZPGROUND,&
+              ZTHVM,ZMRM,ZUW,ZVW,OSHIFT,OBOUSS,PJ,HFUNU,HFUNV,              &
+              PMRCM=ZMRCM,PMRIM=ZMRIM,PCORIOZ=PCORIOZ)
 !
 !-------------------------------------------------------------------------------
 !
diff --git a/src/MNH/two_way.f90 b/src/MNH/two_way.f90
index 7f47e24072eedbdd4771c12615bd8b96da7d55d2..64f72579c3d267f8fee4317d90886a6a21d8b22d 100644
--- a/src/MNH/two_way.f90
+++ b/src/MNH/two_way.f90
@@ -1,6 +1,6 @@
-!MNH_LIC Copyright 1999-2018 CNRS, Meteo-France and Universite Paul Sabatier
+!MNH_LIC Copyright 1999-2019 CNRS, Meteo-France and Universite Paul Sabatier
 !MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
-!MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
+!MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
 !MNH_LIC for details. version 1.
 !-----------------------------------------------------------------
 !     ###################
@@ -10,8 +10,8 @@
 INTERFACE 
 !
       SUBROUTINE TWO_WAY   (     KRR,KSV,KTCOUNT,PRHODJ,KMI,PTSTEP,                &
-                            PUM ,PVM, PWM, PTHM, PRM, PTKEM, PSVM,                 &
-                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRTKES,PRSVS,                &
+                            PUM ,PVM, PWM, PTHM, PRM, PSVM,                        &
+                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRSVS,                       &
                             PINPRC,PINPRR,PINPRS,PINPRG,PINPRH,PPRCONV,PPRSCONV,   &
                             PDIRFLASWD,PSCAFLASWD,PDIRSRFSWD,OMASKkids             )
 ! 
@@ -26,11 +26,11 @@ REAL,                     INTENT(IN)  :: PTSTEP  ! Timestep duration
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PRHODJ         ! (Rho) dry * Jacobian
 !
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PUM, PVM, PWM  ! Variables at t-dt 
-REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM, PTKEM
+REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM
 REAL, DIMENSION(:,:,:,:), INTENT(IN)  :: PRM, PSVM
 !
 REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRUS, PRVS, PRWS         ! Source
-REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS, PRTKES
+REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS
 REAL, DIMENSION(:,:,:,:), INTENT(INOUT) :: PRRS, PRSVS              !  terms
 !
 REAL, DIMENSION(:,:), INTENT(INOUT)     :: PINPRC,PINPRR,PINPRS,PINPRG,PINPRH &
@@ -48,8 +48,8 @@ END MODULE MODI_TWO_WAY
 !
 !     ########################################################################
       SUBROUTINE TWO_WAY   (     KRR,KSV,KTCOUNT,PRHODJ,KMI,PTSTEP,                &
-                            PUM ,PVM, PWM, PTHM, PRM, PTKEM, PSVM,                 &
-                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRTKES,PRSVS,                &
+                            PUM ,PVM, PWM, PTHM, PRM, PSVM,                        &
+                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRSVS,                       &
                             PINPRC,PINPRR,PINPRS,PINPRG,PINPRH,PPRCONV,PPRSCONV,   &
                             PDIRFLASWD,PSCAFLASWD,PDIRSRFSWD,OMASKkids             )
 !     ########################################################################
@@ -126,11 +126,11 @@ REAL,                     INTENT(IN)  :: PTSTEP  ! Timestep duration
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PRHODJ         ! (Rho) dry * Jacobian
 !
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PUM, PVM, PWM  ! Variables at t-dt 
-REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM, PTKEM
+REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM
 REAL, DIMENSION(:,:,:,:), INTENT(IN)  :: PRM, PSVM
 !
 REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRUS, PRVS, PRWS         ! Source
-REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS, PRTKES
+REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS
 REAL, DIMENSION(:,:,:,:), INTENT(INOUT) :: PRRS, PRSVS              !  terms
 !
 REAL, DIMENSION(:,:), INTENT(INOUT)     :: PINPRC,PINPRR,PINPRS,PINPRG,PINPRH &
@@ -153,9 +153,9 @@ DO JKID = KMI+1,NMODEL  ! min value of the possible kids
   IF (KMI == NDAD(JKID) .AND. (XWAY(JKID) == 2. ) &
    .AND. (CCONF == 'RESTA' .OR. (CCONF == 'START' .AND. KTCOUNT /= 1))) THEN
     CALL GOTO_MODEL(JKID)
-    CALL TWO_WAY_n (KRR,KSV,KTCOUNT,PRHODJ,KMI,PTSTEP,                     &
-                    PUM ,PVM, PWM, PTHM, PRM, PTKEM, PSVM,                 &
-                    PRUS,PRVS,PRWS,PRTHS,PRRS,PRTKES,PRSVS,                &
+    CALL TWO_WAY_n (KRR,KSV,PRHODJ,KMI,PTSTEP,                             &
+                    PUM ,PVM, PWM, PTHM, PRM, PSVM,                        &
+                    PRUS,PRVS,PRWS,PRTHS,PRRS,PRSVS,                       &
                     PINPRC,PINPRR,PINPRS,PINPRG,PINPRH,PPRCONV,PPRSCONV,   &
                     PDIRFLASWD,PSCAFLASWD,PDIRSRFSWD,OMASKkids             )
   END IF
diff --git a/src/MNH/two_wayn.f90 b/src/MNH/two_wayn.f90
index 62f7596c7c77eb388a070c87d364bbc5e63a1331..52a22f8d530b86603579bc88ea8c555f242ced5c 100644
--- a/src/MNH/two_wayn.f90
+++ b/src/MNH/two_wayn.f90
@@ -9,16 +9,14 @@
 !
 INTERFACE 
 !
-      SUBROUTINE TWO_WAY_n (KRR,KSV,KTCOUNT,PRHODJ,KMI,PTSTEP,                     &
-                            PUM ,PVM, PWM, PTHM, PRM, PTKEM, PSVM,                 &
-                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRTKES,PRSVS,                &
+      SUBROUTINE TWO_WAY_n (KRR,KSV,PRHODJ,KMI,PTSTEP,                             &
+                            PUM ,PVM, PWM, PTHM, PRM, PSVM,                        &
+                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRSVS,                       &
                             PINPRC,PINPRR,PINPRS,PINPRG,PINPRH,PPRCONV,PPRSCONV,   &
                             PDIRFLASWD,PSCAFLASWD,PDIRSRFSWD,OMASKkids             )
 ! 
 INTEGER,                  INTENT(IN)  :: KRR     ! Number of moist variables
 INTEGER,                  INTENT(IN)  :: KSV     ! Number of Scalar Variables
-INTEGER,                  INTENT(IN)  :: KTCOUNT ! Temporal loop COUNTer
-                                                 ! (=1 at the segment beginning)
 INTEGER,                  INTENT(IN)  :: KMI     ! Model index     
 !
 REAL,                     INTENT(IN)  :: PTSTEP  ! Timestep duration
@@ -26,11 +24,11 @@ REAL,                     INTENT(IN)  :: PTSTEP  ! Timestep duration
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PRHODJ         ! (Rho) dry * Jacobian
 !
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PUM, PVM, PWM  ! Variables at t-dt 
-REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM, PTKEM
+REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM
 REAL, DIMENSION(:,:,:,:), INTENT(IN)  :: PRM, PSVM
 !
 REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRUS, PRVS, PRWS         ! Source
-REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS, PRTKES
+REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS
 REAL, DIMENSION(:,:,:,:), INTENT(INOUT) :: PRRS, PRSVS              !  terms
 REAL, DIMENSION(:,:), INTENT(INOUT)     :: PINPRC,PINPRR,PINPRS,PINPRG,PINPRH, &
                                            PPRCONV,PPRSCONV     !  precipitating variables
@@ -44,9 +42,9 @@ END INTERFACE
 !
 END MODULE MODI_TWO_WAY_n
 !     #######################################################################
-      SUBROUTINE TWO_WAY_n (KRR,KSV,KTCOUNT,PRHODJ,KMI,PTSTEP,                     &
-                            PUM ,PVM, PWM, PTHM, PRM, PTKEM, PSVM,                 &
-                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRTKES,PRSVS,                &
+      SUBROUTINE TWO_WAY_n (KRR,KSV,PRHODJ,KMI,PTSTEP,                             &
+                            PUM ,PVM, PWM, PTHM, PRM, PSVM,                        &
+                            PRUS,PRVS,PRWS,PRTHS,PRRS,PRSVS,                       &
                             PINPRC,PINPRR,PINPRS,PINPRG,PINPRH,PPRCONV,PPRSCONV,   &
                             PDIRFLASWD,PSCAFLASWD,PDIRSRFSWD,OMASKkids             )
 !     #######################################################################
@@ -145,8 +143,6 @@ IMPLICIT NONE
 ! 
 INTEGER,                  INTENT(IN)  :: KRR     ! Number of moist variables
 INTEGER,                  INTENT(IN)  :: KSV     ! Number of SV (father model)
-INTEGER,                  INTENT(IN)  :: KTCOUNT ! Temporal loop COUNTer
-                                                 ! (=1 at the segment beginning)
 INTEGER,                  INTENT(IN)  :: KMI     ! Model index     
 !
 REAL,                     INTENT(IN)  :: PTSTEP  ! Timestep duration
@@ -154,11 +150,11 @@ REAL,                     INTENT(IN)  :: PTSTEP  ! Timestep duration
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PRHODJ         ! (Rho) dry * Jacobian
 !
 REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PUM, PVM, PWM  ! Variables at t-dt 
-REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM, PTKEM
+REAL, DIMENSION(:,:,:),   INTENT(IN)  :: PTHM
 REAL, DIMENSION(:,:,:,:), INTENT(IN)  :: PRM, PSVM
 !
 REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRUS, PRVS, PRWS         ! Source
-REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS, PRTKES
+REAL, DIMENSION(:,:,:),   INTENT(INOUT) :: PRTHS
 REAL, DIMENSION(:,:,:,:), INTENT(INOUT) :: PRRS, PRSVS              !  terms
 REAL, DIMENSION(:,:), INTENT(INOUT)     :: PINPRC,PINPRR,PINPRS,PINPRG,PINPRH &
                                           ,PPRCONV,PPRSCONV     !  precipitating variables