diff --git a/GWW/examples/example02/run_example b/GWW/examples/example02/run_example
index 5ea0b4bb0..ee194f60c 100755
--- a/GWW/examples/example02/run_example
+++ b/GWW/examples/example02/run_example
@@ -131,7 +131,6 @@ EOF
     cat > si_head.in << EOF
 calculation of head
  &inputph
-  trans=.false.
   l_head=.true.
   tr2_ph=1.d-4,
   prefix='si',
diff --git a/GWW/examples/example05/run_example b/GWW/examples/example05/run_example
index 63bed5d6c..c33da3e3d 100755
--- a/GWW/examples/example05/run_example
+++ b/GWW/examples/example05/run_example
@@ -138,7 +138,6 @@ EOF
     cat > si_head.in << EOF
 calculation of head
  &inputph
-  trans=.false.
   l_head=.true.
   tr2_ph=1.d-4,
   prefix='si',
diff --git a/GWW/head/gwl_readin.f90 b/GWW/head/gwl_readin.f90
index 6c6aea5b4..b4569894a 100644
--- a/GWW/head/gwl_readin.f90
+++ b/GWW/head/gwl_readin.f90
@@ -137,8 +137,8 @@ SUBROUTINE phq_readin()
   ! nat_todo     : number of atom to be displaced
   ! verbosity    : verbosity control (iverbosity is obsolete)
   ! outdir       : directory where input, output, temporary files reside
-  ! epsil        : if true calculate dielectric constant
-  ! trans        : if true calculate phonon
+  ! epsil        : (OBSELETE) if true calculate dielectric constant
+  ! trans        : (OBSELETE) if true calculate phonon
   ! electron-phonon : select the kind of electron-phonon calculation
   ! elph         : if true calculate electron-phonon coefficients
   ! elph_mat     : if true eph coefficients for wannier