diff --git a/src/arome/conv/convect_chem_transport.F90 b/src/arome/conv/convect_chem_transport.F90
index 85b33c8c16fcdf892fe3c48f713d9848233e53fc..b5030c5b70947c34bde2dfad0ae40d63efa668e1 100644
--- a/src/arome/conv/convect_chem_transport.F90
+++ b/src/arome/conv/convect_chem_transport.F90
@@ -49,8 +49,8 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
-USE MODD_CONVPAREXT
+USE MODD_CST, ONLY : XG
+USE MODD_CONVPAREXT, ONLY : JCVEXB, JCVEXT
 USE MODD_NSV,  ONLY : NSV_LGBEG,NSV_LGEND
 !
 IMPLICIT NONE
diff --git a/src/arome/conv/convect_closure_adjust_shal.F90 b/src/arome/conv/convect_closure_adjust_shal.F90
index e66a38775bbbd13912950f27d44da197b8b97218..4b5447ab1f8344e31dd1fa0a0bd880a96672ee04 100644
--- a/src/arome/conv/convect_closure_adjust_shal.F90
+++ b/src/arome/conv/convect_closure_adjust_shal.F90
@@ -52,7 +52,7 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CONVPAREXT
+USE MODD_CONVPAREXT, ONLY : JCVEXB, JCVEXT
 !
 IMPLICIT NONE
 !
diff --git a/src/arome/conv/convect_closure_shal.F90 b/src/arome/conv/convect_closure_shal.F90
index d45e04aa76d4157f2595ae220d19b8334ece5bd3..cfae7f68451336695eba5ac7d1de960004aac616 100644
--- a/src/arome/conv/convect_closure_shal.F90
+++ b/src/arome/conv/convect_closure_shal.F90
@@ -76,9 +76,9 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
-USE MODD_CONVPAR_SHAL
-USE MODD_CONVPAREXT
+USE MODD_CST, ONLY : XCPD, XRD, XG, XP00, XCPV, XLVTT, XCL, XTT, XCI
+USE MODD_CONVPAR_SHAL, ONLY : XSTABT, XSTABC
+USE MODD_CONVPAREXT, ONLY : JCVEXB, JCVEXT
 !
 !
 IMPLICIT NONE
diff --git a/src/arome/conv/convect_closure_thrvlcl.F90 b/src/arome/conv/convect_closure_thrvlcl.F90
index 54e69ad15f385b9ad2cb071e62d92dd6f4bd9dc8..1ad35ec7c6c345fa932d741782be648868b928be 100644
--- a/src/arome/conv/convect_closure_thrvlcl.F90
+++ b/src/arome/conv/convect_closure_thrvlcl.F90
@@ -67,9 +67,8 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
-USE MODD_CONVPAR
-USE MODD_CONVPAREXT
+USE MODD_CST, ONLY : XRD, XRV, XCPD, XP00, XTT, XBETAW, XGAMW
+USE MODD_CONVPAREXT, ONLY : JCVEXB, JCVEXT
 !
 !
 IMPLICIT NONE
diff --git a/src/arome/conv/convect_condens.F90 b/src/arome/conv/convect_condens.F90
index 5bfbc0e902914690fa8e0013fe9c315bd20e2b73..1facb675f96a219b48f2be66e2253c170d1ed37e 100644
--- a/src/arome/conv/convect_condens.F90
+++ b/src/arome/conv/convect_condens.F90
@@ -63,8 +63,8 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
-USE MODD_CONVPAR
+USE MODD_CST, ONLY : XALPI, XALPW, XBETAI, XBETAW, XCI, XCL, XCPD, XCPV, XG, XGAMI, XGAMW, XLSTT, XLVTT, XRD, XRV, XTT
+USE MODD_CONVPAR, ONLY : XTFRZ1, XTFRZ2
 !
 !
 IMPLICIT NONE
diff --git a/src/arome/conv/convect_satmixratio.F90 b/src/arome/conv/convect_satmixratio.F90
index 34da003ce6a54fd4a63fde8cc16bab9646e227f2..0926cd7a39d2e9aec2a4339b9372719a4448a835 100644
--- a/src/arome/conv/convect_satmixratio.F90
+++ b/src/arome/conv/convect_satmixratio.F90
@@ -52,7 +52,7 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
+USE MODD_CST, ONLY : XALPW, XBETAW, XCI, XCL, XCPD, XCPV, XGAMW, XLSTT, XLVTT, XRD, XRV, XTT
 !
 !
 IMPLICIT NONE
diff --git a/src/arome/conv/convect_trigger_shal.F90 b/src/arome/conv/convect_trigger_shal.F90
index 7738cad93cda7cd2df77509fbcffd56534e4ead1..9b09758085642eaebcc36435e3148a6a1fe494d9 100644
--- a/src/arome/conv/convect_trigger_shal.F90
+++ b/src/arome/conv/convect_trigger_shal.F90
@@ -80,9 +80,9 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
-USE MODD_CONVPAR_SHAL
-USE MODD_CONVPAREXT
+USE MODD_CST, ONLY : XBETAW, XCPD, XG, XGAMW, XP00, XRD, XRV, XTT
+USE MODD_CONVPAR_SHAL, ONLY : XATPERT, XAW, XBTPERT, XBW, XCDEPTH, XDTPERT, XNHGAM, XZLCL, XZPBL
+USE MODD_CONVPAREXT, ONLY : JCVEXB, JCVEXT
 !
 !
 IMPLICIT NONE
diff --git a/src/arome/conv/convect_updraft_shal.F90 b/src/arome/conv/convect_updraft_shal.F90
index 360088752c29c722889326e7c7c834ebbf6e4a76..6aa68e00d89dcf117f22e52eeeb1c30fbb0c9cc3 100644
--- a/src/arome/conv/convect_updraft_shal.F90
+++ b/src/arome/conv/convect_updraft_shal.F90
@@ -77,9 +77,9 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
-USE MODD_CONVPAR_SHAL
-USE MODD_CONVPAREXT
+USE MODD_CST, ONLY : XCPD, XCPV, XG, XP00, XRD, XRV
+USE MODD_CONVPAR_SHAL, ONLY : XCDEPTH, XCDEPTH_D, XCRAD, XENTR, XNHGAM
+USE MODD_CONVPAREXT, ONLY : JCVEXB, JCVEXT
 !
 !
 IMPLICIT NONE
diff --git a/src/arome/conv/ini_convpar.F90 b/src/arome/conv/ini_convpar.F90
index a1be28567acc7120cc53d89f467d4272bb486290..16ab5ca90480685de18d1d9fa21c918f46818019 100644
--- a/src/arome/conv/ini_convpar.F90
+++ b/src/arome/conv/ini_convpar.F90
@@ -42,7 +42,9 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CONVPAR
+USE MODD_CONVPAR, ONLY : XA25, XCDEPTH, XCRAD, XENTR, XMELDPTH, XNHGAM, XRCONV, XRHDBC, XSTABC, &
+& XSTABT, XTFRZ1, XTFRZ2, XUSRDPTH, XUVDP, XWTRIG, XZLCL, XZPBL
+
 !
 IMPLICIT NONE
 !  
diff --git a/src/arome/conv/shallow_convection.F90 b/src/arome/conv/shallow_convection.F90
index 172d00af76037c1eaf26c8ae9b605f38ca4219bb..ba40743d07d5acfa98fb831b4e1111ff2f315773 100644
--- a/src/arome/conv/shallow_convection.F90
+++ b/src/arome/conv/shallow_convection.F90
@@ -94,9 +94,9 @@
 !*       0.    DECLARATIONS
 !              ------------
 !
-USE MODD_CST
-USE MODD_CONVPAREXT
-USE MODD_CONVPAR_SHAL
+USE MODD_CST, ONLY : XALPW, XBETAW, XCI, XCL, XCPD, XCPV, XG, XGAMW, XLSTT, XLVTT, XP00, XRD, XRV, XTT
+USE MODD_CONVPAREXT, ONLY : JCVEXB, JCVEXT
+USE MODD_CONVPAR_SHAL, ONLY : LLSMOOTH, XA25, XCTIME_SHAL
 USE MODD_NSV,       ONLY : NSV_LGBEG,NSV_LGEND
 !
 !