diff --git a/mlprec/impl/Makefile b/mlprec/impl/Makefile
index e03c55fc..9d4070ee 100644
--- a/mlprec/impl/Makefile
+++ b/mlprec/impl/Makefile
@@ -23,25 +23,25 @@ MPCOBJS=mld_sslud_interface.o mld_dslud_interface.o mld_cslud_interface.o mld_zs
 
 
 DINNEROBJS= mld_dmlprec_bld.o \
-	mld_d_ml_prec_bld.o mld_d_hierarchy_bld.o \
+	mld_d_smoothers_bld.o mld_d_hierarchy_bld.o \
 	mld_dilu0_fact.o   mld_diluk_fact.o  mld_dilut_fact.o  mld_daggrmap_bld.o \
 	mld_d_dec_map_bld.o mld_dmlprec_aply.o mld_daggrmat_asb.o   \
 	$(DMPFOBJS) mld_d_extprol_bld.o mld_d_lev_aggrmap_bld.o  mld_d_lev_aggrmat_asb.o
 
 SINNEROBJS=   mld_smlprec_bld.o \
-	mld_s_ml_prec_bld.o mld_s_hierarchy_bld.o \
+	mld_s_smoothers_bld.o mld_s_hierarchy_bld.o \
 	mld_silu0_fact.o   mld_siluk_fact.o  mld_silut_fact.o  mld_saggrmap_bld.o \
 	mld_s_dec_map_bld.o mld_smlprec_aply.o mld_saggrmat_asb.o   \
 	$(SMPFOBJS) mld_s_extprol_bld.o mld_s_lev_aggrmap_bld.o  mld_s_lev_aggrmat_asb.o
 
 ZINNEROBJS=   mld_zmlprec_bld.o \
-	mld_z_ml_prec_bld.o mld_z_hierarchy_bld.o \
+	mld_z_smoothers_bld.o mld_z_hierarchy_bld.o \
 	mld_zilu0_fact.o   mld_ziluk_fact.o  mld_zilut_fact.o  mld_zaggrmap_bld.o \
 	mld_z_dec_map_bld.o mld_zmlprec_aply.o mld_zaggrmat_asb.o   \
 	$(ZMPFOBJS)  mld_z_extprol_bld.o mld_z_lev_aggrmap_bld.o  mld_z_lev_aggrmat_asb.o
 
 CINNEROBJS=   mld_cmlprec_bld.o \
-	mld_c_ml_prec_bld.o mld_c_hierarchy_bld.o \
+	mld_c_smoothers_bld.o mld_c_hierarchy_bld.o \
 	mld_cilu0_fact.o   mld_ciluk_fact.o  mld_cilut_fact.o  mld_caggrmap_bld.o \
 	mld_c_dec_map_bld.o mld_cmlprec_aply.o mld_caggrmat_asb.o   \
 	$(CMPFOBJS)  mld_c_extprol_bld.o mld_c_lev_aggrmap_bld.o  mld_c_lev_aggrmat_asb.o
diff --git a/mlprec/impl/mld_c_ml_prec_bld.f90 b/mlprec/impl/mld_c_smoothers_bld.f90
similarity index 96%
rename from mlprec/impl/mld_c_ml_prec_bld.f90
rename to mlprec/impl/mld_c_smoothers_bld.f90
index bb875722..4a8815b2 100644
--- a/mlprec/impl/mld_c_ml_prec_bld.f90
+++ b/mlprec/impl/mld_c_smoothers_bld.f90
@@ -36,9 +36,9 @@
 !!$  POSSIBILITY OF SUCH DAMAGE.
 !!$ 
 !!$
-! File: mld_c_ml_prec_bld.f90
+! File: mld_c_smoothers_bld.f90
 !
-! Subroutine: mld_c_ml_prec_bld
+! Subroutine: mld_c_smoothers_bld
 ! Version:    complex
 !
 !  This routine builds the preconditioner according to the requirements made by
@@ -74,11 +74,11 @@
 !
 !
 !  
-subroutine mld_c_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+subroutine mld_c_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   use psb_base_mod
   use mld_c_inner_mod
-  use mld_c_prec_mod, mld_protect_name => mld_c_ml_prec_bld
+  use mld_c_prec_mod, mld_protect_name => mld_c_smoothers_bld
 
   Implicit None
 
@@ -109,7 +109,7 @@ subroutine mld_c_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
   debug_unit  = psb_get_debug_unit()
   debug_level = psb_get_debug_level()
 
-  name = 'mld_c_ml_prec_bld'
+  name = 'mld_c_smoothers_bld'
   info = psb_success_
   int_err(1) = 0
   ictxt = desc_a%get_context()
@@ -191,4 +191,4 @@ subroutine mld_c_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
 
   return
 
-end subroutine mld_c_ml_prec_bld
+end subroutine mld_c_smoothers_bld
diff --git a/mlprec/impl/mld_cmlprec_bld.f90 b/mlprec/impl/mld_cmlprec_bld.f90
index d3ef5b41..ba53ea68 100644
--- a/mlprec/impl/mld_cmlprec_bld.f90
+++ b/mlprec/impl/mld_cmlprec_bld.f90
@@ -129,7 +129,7 @@ subroutine mld_cmlprec_bld(a,desc_a,p,info,amold,vmold,imold)
   
   iszv = p%get_nlevs()
 
-  call mld_c_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+  call mld_c_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   if (info /= psb_success_) then 
     info=psb_err_internal_error_
diff --git a/mlprec/impl/mld_d_ml_prec_bld.f90 b/mlprec/impl/mld_d_smoothers_bld.f90
similarity index 96%
rename from mlprec/impl/mld_d_ml_prec_bld.f90
rename to mlprec/impl/mld_d_smoothers_bld.f90
index f2507278..f0e3ad2d 100644
--- a/mlprec/impl/mld_d_ml_prec_bld.f90
+++ b/mlprec/impl/mld_d_smoothers_bld.f90
@@ -36,9 +36,9 @@
 !!$  POSSIBILITY OF SUCH DAMAGE.
 !!$ 
 !!$
-! File: mld_d_ml_prec_bld.f90
+! File: mld_d_smoothers_bld.f90
 !
-! Subroutine: mld_d_ml_prec_bld
+! Subroutine: mld_d_smoothers_bld
 ! Version:    real
 !
 !  This routine builds the preconditioner according to the requirements made by
@@ -74,11 +74,11 @@
 !
 !
 !  
-subroutine mld_d_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+subroutine mld_d_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   use psb_base_mod
   use mld_d_inner_mod
-  use mld_d_prec_mod, mld_protect_name => mld_d_ml_prec_bld
+  use mld_d_prec_mod, mld_protect_name => mld_d_smoothers_bld
 
   Implicit None
 
@@ -109,7 +109,7 @@ subroutine mld_d_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
   debug_unit  = psb_get_debug_unit()
   debug_level = psb_get_debug_level()
 
-  name = 'mld_d_ml_prec_bld'
+  name = 'mld_d_smoothers_bld'
   info = psb_success_
   int_err(1) = 0
   ictxt = desc_a%get_context()
@@ -191,4 +191,4 @@ subroutine mld_d_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
 
   return
 
-end subroutine mld_d_ml_prec_bld
+end subroutine mld_d_smoothers_bld
diff --git a/mlprec/impl/mld_dmlprec_bld.f90 b/mlprec/impl/mld_dmlprec_bld.f90
index b5252739..9fbe1c70 100644
--- a/mlprec/impl/mld_dmlprec_bld.f90
+++ b/mlprec/impl/mld_dmlprec_bld.f90
@@ -129,7 +129,7 @@ subroutine mld_dmlprec_bld(a,desc_a,p,info,amold,vmold,imold)
   
   iszv = p%get_nlevs()
 
-  call mld_d_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+  call mld_d_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   if (info /= psb_success_) then 
     info=psb_err_internal_error_
diff --git a/mlprec/impl/mld_s_ml_prec_bld.f90 b/mlprec/impl/mld_s_smoothers_bld.f90
similarity index 96%
rename from mlprec/impl/mld_s_ml_prec_bld.f90
rename to mlprec/impl/mld_s_smoothers_bld.f90
index 3614504d..4561a5f7 100644
--- a/mlprec/impl/mld_s_ml_prec_bld.f90
+++ b/mlprec/impl/mld_s_smoothers_bld.f90
@@ -36,9 +36,9 @@
 !!$  POSSIBILITY OF SUCH DAMAGE.
 !!$ 
 !!$
-! File: mld_s_ml_prec_bld.f90
+! File: mld_s_smoothers_bld.f90
 !
-! Subroutine: mld_s_ml_prec_bld
+! Subroutine: mld_s_smoothers_bld
 ! Version:    real
 !
 !  This routine builds the preconditioner according to the requirements made by
@@ -74,11 +74,11 @@
 !
 !
 !  
-subroutine mld_s_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+subroutine mld_s_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   use psb_base_mod
   use mld_s_inner_mod
-  use mld_s_prec_mod, mld_protect_name => mld_s_ml_prec_bld
+  use mld_s_prec_mod, mld_protect_name => mld_s_smoothers_bld
 
   Implicit None
 
@@ -109,7 +109,7 @@ subroutine mld_s_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
   debug_unit  = psb_get_debug_unit()
   debug_level = psb_get_debug_level()
 
-  name = 'mld_s_ml_prec_bld'
+  name = 'mld_s_smoothers_bld'
   info = psb_success_
   int_err(1) = 0
   ictxt = desc_a%get_context()
@@ -191,4 +191,4 @@ subroutine mld_s_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
 
   return
 
-end subroutine mld_s_ml_prec_bld
+end subroutine mld_s_smoothers_bld
diff --git a/mlprec/impl/mld_smlprec_bld.f90 b/mlprec/impl/mld_smlprec_bld.f90
index b96dc733..761df534 100644
--- a/mlprec/impl/mld_smlprec_bld.f90
+++ b/mlprec/impl/mld_smlprec_bld.f90
@@ -129,7 +129,7 @@ subroutine mld_smlprec_bld(a,desc_a,p,info,amold,vmold,imold)
   
   iszv = p%get_nlevs()
 
-  call mld_s_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+  call mld_s_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   if (info /= psb_success_) then 
     info=psb_err_internal_error_
diff --git a/mlprec/impl/mld_z_ml_prec_bld.f90 b/mlprec/impl/mld_z_smoothers_bld.f90
similarity index 96%
rename from mlprec/impl/mld_z_ml_prec_bld.f90
rename to mlprec/impl/mld_z_smoothers_bld.f90
index 6a87f734..20f1f1b9 100644
--- a/mlprec/impl/mld_z_ml_prec_bld.f90
+++ b/mlprec/impl/mld_z_smoothers_bld.f90
@@ -36,9 +36,9 @@
 !!$  POSSIBILITY OF SUCH DAMAGE.
 !!$ 
 !!$
-! File: mld_z_ml_prec_bld.f90
+! File: mld_z_smoothers_bld.f90
 !
-! Subroutine: mld_z_ml_prec_bld
+! Subroutine: mld_z_smoothers_bld
 ! Version:    complex
 !
 !  This routine builds the preconditioner according to the requirements made by
@@ -74,11 +74,11 @@
 !
 !
 !  
-subroutine mld_z_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+subroutine mld_z_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   use psb_base_mod
   use mld_z_inner_mod
-  use mld_z_prec_mod, mld_protect_name => mld_z_ml_prec_bld
+  use mld_z_prec_mod, mld_protect_name => mld_z_smoothers_bld
 
   Implicit None
 
@@ -109,7 +109,7 @@ subroutine mld_z_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
   debug_unit  = psb_get_debug_unit()
   debug_level = psb_get_debug_level()
 
-  name = 'mld_z_ml_prec_bld'
+  name = 'mld_z_smoothers_bld'
   info = psb_success_
   int_err(1) = 0
   ictxt = desc_a%get_context()
@@ -191,4 +191,4 @@ subroutine mld_z_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
 
   return
 
-end subroutine mld_z_ml_prec_bld
+end subroutine mld_z_smoothers_bld
diff --git a/mlprec/impl/mld_zmlprec_bld.f90 b/mlprec/impl/mld_zmlprec_bld.f90
index 7c292b1c..50253ac9 100644
--- a/mlprec/impl/mld_zmlprec_bld.f90
+++ b/mlprec/impl/mld_zmlprec_bld.f90
@@ -129,7 +129,7 @@ subroutine mld_zmlprec_bld(a,desc_a,p,info,amold,vmold,imold)
   
   iszv = p%get_nlevs()
 
-  call mld_z_ml_prec_bld(a,desc_a,p,info,amold,vmold,imold)
+  call mld_z_smoothers_bld(a,desc_a,p,info,amold,vmold,imold)
 
   if (info /= psb_success_) then 
     info=psb_err_internal_error_
diff --git a/mlprec/mld_c_inner_mod.f90 b/mlprec/mld_c_inner_mod.f90
index 467a193c..bf447a14 100644
--- a/mlprec/mld_c_inner_mod.f90
+++ b/mlprec/mld_c_inner_mod.f90
@@ -64,7 +64,6 @@ module mld_c_inner_mod
     end subroutine mld_cmlprec_bld
   end interface mld_mlprec_bld
 
-
   interface mld_mlprec_aply
     subroutine mld_cmlprec_aply(alpha,p,x,beta,y,desc_data,trans,work,info)
       use psb_base_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_, psb_ipk_
@@ -95,20 +94,6 @@ module mld_c_inner_mod
     end subroutine mld_cmlprec_aply_vect
   end interface mld_mlprec_aply
 
-
-  interface mld_coarse_bld
-    subroutine mld_ccoarse_bld(a,desc_a,p,info)
-      use psb_base_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_, psb_ipk_
-      use mld_c_prec_type, only : mld_c_onelev_type
-      implicit none 
-      type(psb_cspmat_type), intent(in), target      :: a
-      type(psb_desc_type), intent(in), target          :: desc_a
-      type(mld_c_onelev_type), intent(inout), target :: p
-      integer(psb_ipk_), intent(out)                   :: info
-    end subroutine mld_ccoarse_bld
-  end interface mld_coarse_bld
-
-
   interface mld_bld_mlhier_aggsize
     subroutine mld_c_bld_mlhier_aggsize(casize,mxplevs,mnaggratio,a,desc_a,precv,info)
       use psb_base_mod, only : psb_ipk_, psb_cspmat_type, psb_desc_type,psb_spk_
diff --git a/mlprec/mld_c_prec_mod.f90 b/mlprec/mld_c_prec_mod.f90
index 103d66c5..7a0e06cb 100644
--- a/mlprec/mld_c_prec_mod.f90
+++ b/mlprec/mld_c_prec_mod.f90
@@ -120,8 +120,8 @@ module mld_c_prec_mod
     end subroutine mld_c_extprol_bld
   end interface mld_extprol_bld
   
-  interface mld_ml_prec_bld
-    subroutine mld_c_ml_prec_bld(a,desc_a,prec,info,amold,vmold,imold)
+  interface mld_smoothers_bld
+    subroutine mld_c_smoothers_bld(a,desc_a,prec,info,amold,vmold,imold)
       import :: psb_cspmat_type, psb_desc_type, psb_spk_, &
            & psb_c_base_sparse_mat, psb_c_base_vect_type, &
            & psb_i_base_vect_type, mld_cprec_type, psb_ipk_
@@ -134,8 +134,8 @@ module mld_c_prec_mod
       class(psb_c_base_vect_type), intent(in), optional  :: vmold
       class(psb_i_base_vect_type), intent(in), optional  :: imold
       !      character, intent(in),optional             :: upd
-    end subroutine mld_c_ml_prec_bld
-  end interface mld_ml_prec_bld
+    end subroutine mld_c_smoothers_bld
+  end interface mld_smoothers_bld
 
 contains
 
diff --git a/mlprec/mld_d_inner_mod.f90 b/mlprec/mld_d_inner_mod.f90
index 6fc4c07a..cd4dd596 100644
--- a/mlprec/mld_d_inner_mod.f90
+++ b/mlprec/mld_d_inner_mod.f90
@@ -64,7 +64,6 @@ module mld_d_inner_mod
     end subroutine mld_dmlprec_bld
   end interface mld_mlprec_bld
 
-
   interface mld_mlprec_aply
     subroutine mld_dmlprec_aply(alpha,p,x,beta,y,desc_data,trans,work,info)
       use psb_base_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_
@@ -95,20 +94,6 @@ module mld_d_inner_mod
     end subroutine mld_dmlprec_aply_vect
   end interface mld_mlprec_aply
 
-
-  interface mld_coarse_bld
-    subroutine mld_dcoarse_bld(a,desc_a,p,info)
-      use psb_base_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_
-      use mld_d_prec_type, only : mld_d_onelev_type
-      implicit none 
-      type(psb_dspmat_type), intent(in), target      :: a
-      type(psb_desc_type), intent(in), target          :: desc_a
-      type(mld_d_onelev_type), intent(inout), target :: p
-      integer(psb_ipk_), intent(out)                   :: info
-    end subroutine mld_dcoarse_bld
-  end interface mld_coarse_bld
-
-
   interface mld_bld_mlhier_aggsize
     subroutine mld_d_bld_mlhier_aggsize(casize,mxplevs,mnaggratio,a,desc_a,precv,info)
       use psb_base_mod, only : psb_ipk_, psb_dspmat_type, psb_desc_type,psb_dpk_
diff --git a/mlprec/mld_d_prec_mod.f90 b/mlprec/mld_d_prec_mod.f90
index 6e8de542..885a11e2 100644
--- a/mlprec/mld_d_prec_mod.f90
+++ b/mlprec/mld_d_prec_mod.f90
@@ -120,8 +120,8 @@ module mld_d_prec_mod
     end subroutine mld_d_extprol_bld
   end interface mld_extprol_bld
   
-  interface mld_ml_prec_bld
-    subroutine mld_d_ml_prec_bld(a,desc_a,prec,info,amold,vmold,imold)
+  interface mld_smoothers_bld
+    subroutine mld_d_smoothers_bld(a,desc_a,prec,info,amold,vmold,imold)
       import :: psb_dspmat_type, psb_desc_type, psb_dpk_, &
            & psb_d_base_sparse_mat, psb_d_base_vect_type, &
            & psb_i_base_vect_type, mld_dprec_type, psb_ipk_
@@ -134,8 +134,8 @@ module mld_d_prec_mod
       class(psb_d_base_vect_type), intent(in), optional  :: vmold
       class(psb_i_base_vect_type), intent(in), optional  :: imold
       !      character, intent(in),optional             :: upd
-    end subroutine mld_d_ml_prec_bld
-  end interface mld_ml_prec_bld
+    end subroutine mld_d_smoothers_bld
+  end interface mld_smoothers_bld
 
 contains
 
diff --git a/mlprec/mld_s_inner_mod.f90 b/mlprec/mld_s_inner_mod.f90
index 279e45df..ae4398ed 100644
--- a/mlprec/mld_s_inner_mod.f90
+++ b/mlprec/mld_s_inner_mod.f90
@@ -64,7 +64,6 @@ module mld_s_inner_mod
     end subroutine mld_smlprec_bld
   end interface mld_mlprec_bld
 
-
   interface mld_mlprec_aply
     subroutine mld_smlprec_aply(alpha,p,x,beta,y,desc_data,trans,work,info)
       use psb_base_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_, psb_ipk_
@@ -95,20 +94,6 @@ module mld_s_inner_mod
     end subroutine mld_smlprec_aply_vect
   end interface mld_mlprec_aply
 
-
-  interface mld_coarse_bld
-    subroutine mld_scoarse_bld(a,desc_a,p,info)
-      use psb_base_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_, psb_ipk_
-      use mld_s_prec_type, only : mld_s_onelev_type
-      implicit none 
-      type(psb_sspmat_type), intent(in), target      :: a
-      type(psb_desc_type), intent(in), target          :: desc_a
-      type(mld_s_onelev_type), intent(inout), target :: p
-      integer(psb_ipk_), intent(out)                   :: info
-    end subroutine mld_scoarse_bld
-  end interface mld_coarse_bld
-
-
   interface mld_bld_mlhier_aggsize
     subroutine mld_s_bld_mlhier_aggsize(casize,mxplevs,mnaggratio,a,desc_a,precv,info)
       use psb_base_mod, only : psb_ipk_, psb_sspmat_type, psb_desc_type,psb_spk_
diff --git a/mlprec/mld_s_prec_mod.f90 b/mlprec/mld_s_prec_mod.f90
index b7b4ddc9..6fe68623 100644
--- a/mlprec/mld_s_prec_mod.f90
+++ b/mlprec/mld_s_prec_mod.f90
@@ -120,8 +120,8 @@ module mld_s_prec_mod
     end subroutine mld_s_extprol_bld
   end interface mld_extprol_bld
   
-  interface mld_ml_prec_bld
-    subroutine mld_s_ml_prec_bld(a,desc_a,prec,info,amold,vmold,imold)
+  interface mld_smoothers_bld
+    subroutine mld_s_smoothers_bld(a,desc_a,prec,info,amold,vmold,imold)
       import :: psb_sspmat_type, psb_desc_type, psb_spk_, &
            & psb_s_base_sparse_mat, psb_s_base_vect_type, &
            & psb_i_base_vect_type, mld_sprec_type, psb_ipk_
@@ -134,8 +134,8 @@ module mld_s_prec_mod
       class(psb_s_base_vect_type), intent(in), optional  :: vmold
       class(psb_i_base_vect_type), intent(in), optional  :: imold
       !      character, intent(in),optional             :: upd
-    end subroutine mld_s_ml_prec_bld
-  end interface mld_ml_prec_bld
+    end subroutine mld_s_smoothers_bld
+  end interface mld_smoothers_bld
 
 contains
 
diff --git a/mlprec/mld_z_inner_mod.f90 b/mlprec/mld_z_inner_mod.f90
index 72e64ac6..d9b1c549 100644
--- a/mlprec/mld_z_inner_mod.f90
+++ b/mlprec/mld_z_inner_mod.f90
@@ -64,7 +64,6 @@ module mld_z_inner_mod
     end subroutine mld_zmlprec_bld
   end interface mld_mlprec_bld
 
-
   interface mld_mlprec_aply
     subroutine mld_zmlprec_aply(alpha,p,x,beta,y,desc_data,trans,work,info)
       use psb_base_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_, psb_ipk_
@@ -95,20 +94,6 @@ module mld_z_inner_mod
     end subroutine mld_zmlprec_aply_vect
   end interface mld_mlprec_aply
 
-
-  interface mld_coarse_bld
-    subroutine mld_zcoarse_bld(a,desc_a,p,info)
-      use psb_base_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_, psb_ipk_
-      use mld_z_prec_type, only : mld_z_onelev_type
-      implicit none 
-      type(psb_zspmat_type), intent(in), target      :: a
-      type(psb_desc_type), intent(in), target          :: desc_a
-      type(mld_z_onelev_type), intent(inout), target :: p
-      integer(psb_ipk_), intent(out)                   :: info
-    end subroutine mld_zcoarse_bld
-  end interface mld_coarse_bld
-
-
   interface mld_bld_mlhier_aggsize
     subroutine mld_z_bld_mlhier_aggsize(casize,mxplevs,mnaggratio,a,desc_a,precv,info)
       use psb_base_mod, only : psb_ipk_, psb_zspmat_type, psb_desc_type,psb_dpk_
diff --git a/mlprec/mld_z_prec_mod.f90 b/mlprec/mld_z_prec_mod.f90
index 1d2f203f..d301b49b 100644
--- a/mlprec/mld_z_prec_mod.f90
+++ b/mlprec/mld_z_prec_mod.f90
@@ -120,8 +120,8 @@ module mld_z_prec_mod
     end subroutine mld_z_extprol_bld
   end interface mld_extprol_bld
   
-  interface mld_ml_prec_bld
-    subroutine mld_z_ml_prec_bld(a,desc_a,prec,info,amold,vmold,imold)
+  interface mld_smoothers_bld
+    subroutine mld_z_smoothers_bld(a,desc_a,prec,info,amold,vmold,imold)
       import :: psb_zspmat_type, psb_desc_type, psb_dpk_, &
            & psb_z_base_sparse_mat, psb_z_base_vect_type, &
            & psb_i_base_vect_type, mld_zprec_type, psb_ipk_
@@ -134,8 +134,8 @@ module mld_z_prec_mod
       class(psb_z_base_vect_type), intent(in), optional  :: vmold
       class(psb_i_base_vect_type), intent(in), optional  :: imold
       !      character, intent(in),optional             :: upd
-    end subroutine mld_z_ml_prec_bld
-  end interface mld_ml_prec_bld
+    end subroutine mld_z_smoothers_bld
+  end interface mld_smoothers_bld
 
 contains