diff --git a/src/MNH/ppm.f90 b/src/MNH/ppm.f90
index b121afec54f9a1098f41bdc7f23561752c6a119d..88e8f198b48981b2bd9ca326b0df9e5e107a76f1 100644
--- a/src/MNH/ppm.f90
+++ b/src/MNH/ppm.f90
@@ -1489,7 +1489,6 @@ CALL MPPDB_CHECK(ZQL0,"PPM_01_Y: ZQL0")
 #else
 !$acc end kernels
   CALL GET_HALO_D(ZFNEG,HDIR="01_Y", HNAME='UPDATE_HALO_ll::GET_HALO::ZFNEG')
-!$acc kernels
 #endif
 !
 ! advect the actual field in Y direction by V*dt
@@ -1498,7 +1497,6 @@ CALL MPPDB_CHECK(ZQL0,"PPM_01_Y: ZQL0")
    PR = DYF( PCR*MYM(PRHO)*( ZFPOS*(0.5+SIGN(0.5,PCR)) + & 
                              ZFNEG*(0.5-SIGN(0.5,PCR)) ) )
 #else
-!$acc end kernels
    CALL MYM_DEVICE(PRHO,ZQL)
 !$acc kernels
 !$acc loop independent collapse(3)