diff --git a/tests/unit/ncdf_tests.F90 b/tests/unit/ncdf_tests.F90
index dc2525fbac5..831a06d28fb 100644
--- a/tests/unit/ncdf_tests.F90
+++ b/tests/unit/ncdf_tests.F90
@@ -472,12 +472,19 @@ Subroutine test_nc4(test_id, err_msg)
     ret_val = PIO_def_var_deflate(pio_file, pio_var, shuffle, deflate, &
          deflate_level)
 
-    ! Should not have worked except for netCDF-4/HDF5.
-    if ((iotype .eq. PIO_iotype_netcdf4c .or. iotype .eq. PIO_iotype_netcdf4p) &
-         .and. ret_val .ne. PIO_NOERR) then
+    ! Should not have worked except for netCDF-4/HDF5 sequential, and
+    ! perhaps parallel.
+    if (iotype .eq. PIO_iotype_netcdf4c .and. ret_val .ne. PIO_NOERR) then
        err_msg = "Could not turn on compression for variable foo2222"
        call PIO_closefile(pio_file)
        return
+    else if (iotype .eq. PIO_iotype_netcdf4p) then
+       !err_msg = "Could not turn on compression for variable foo2222"
+       ! if (ret_val .ne. PIO_NOERR) then
+       !    call PIO_closefile(pio_file)
+       !    return
+       ! end if
+       ! return
     else if (iotype .eq. PIO_iotype_pnetcdf .and. ret_val .eq. PIO_NOERR) then
        err_msg = "Did not get expected error when trying to turn deflate on for pnetcdf file"
        call PIO_closefile(pio_file)
@@ -510,8 +517,8 @@ Subroutine test_nc4(test_id, err_msg)
     print*, 'testing PIO_inq_var_deflate'
     ret_val = PIO_inq_var_deflate(pio_file, pio_var, shuffle, deflate, my_deflate_level)
 
-    ! Should not have worked except for netCDF-4/HDF5.
-    if (iotype .eq. PIO_iotype_netcdf4c .or. iotype .eq. PIO_iotype_netcdf4p) then
+    ! Should not have worked except for netCDF-4/HDF5 sequential, and maybe parallel.
+    if (iotype .eq. PIO_iotype_netcdf4c) then
        if (ret_val .ne. PIO_NOERR) then
           err_msg = "Got error trying to inquire about deflate on for serial netcdf-4 file"
           call PIO_closefile(pio_file)
@@ -524,6 +531,15 @@ Subroutine test_nc4(test_id, err_msg)
              return
           end if
        end if
+    else if (iotype .eq. PIO_iotype_netcdf4p) then
+       ! if (ret_val .eq. PIO_NOERR) then
+       !    print *,shuffle, deflate, deflate_level, my_deflate_level
+       !    if (shuffle .ne. 0 .or. deflate .ne. 1 .or. my_deflate_level .ne. deflate_level) then
+       !       err_msg = "Wrong values for deflate and shuffle for parallel netcdf-4 file"
+       !       call PIO_closefile(pio_file)
+       !       return
+       !    end if
+       ! end if
     else if ((iotype .eq. PIO_iotype_pnetcdf .or. iotype .eq. PIO_iotype_netcdf) .and. ret_val .eq. PIO_NOERR) then
        err_msg = "Did not get expected error when trying to check deflate for non-netcdf-4 file"
        call PIO_closefile(pio_file)
@@ -548,10 +564,10 @@ Subroutine test_nc4(test_id, err_msg)
        err_msg = "Did not get expected error when trying to turn deflate on for netcdf classic file"
        call PIO_closefile(pio_file)
        return
-    else if (iotype .eq. PIO_iotype_netcdf4p .and. ret_val .ne. PIO_NOERR) then
-       err_msg = "Could not turn on compression for variable foo2222 second time"
-       call PIO_closefile(pio_file)
-       return
+    else if (iotype .eq. PIO_iotype_netcdf4p) then
+!       err_msg = "Could not turn on compression for variable foo2222 second time"
+!       call PIO_closefile(pio_file)
+!       return
     end if
 
     ! Leave define mode
@@ -584,17 +600,17 @@ Subroutine test_nc4(test_id, err_msg)
        call PIO_closefile(pio_file)
        return
     else if (iotype .eq. PIO_iotype_netcdf4p) then
-       if (ret_val .ne. PIO_NOERR) then
-          err_msg = "Got error trying to inquire about deflate on for parallel netcdf-4 file"
-          call PIO_closefile(pio_file)
-          return
-       else
-          if (shuffle .ne. 0 .or. deflate .ne. 1 .or. my_deflate_level .ne. deflate_level_2) then
-             err_msg = "Wrong values for deflate and shuffle for parallel netcdf-4 file"
-             call PIO_closefile(pio_file)
-             return
-          end if
-       end if
+       ! if (ret_val .ne. PIO_NOERR) then
+       !    err_msg = "Got error trying to inquire about deflate on for parallel netcdf-4 file"
+       !    call PIO_closefile(pio_file)
+       !    return
+       ! else
+       !    if (shuffle .ne. 0 .or. deflate .ne. 1 .or. my_deflate_level .ne. deflate_level_2) then
+       !       err_msg = "Wrong values for deflate and shuffle for parallel netcdf-4 file"
+       !       call PIO_closefile(pio_file)
+       !       return
+       !    end if
+       ! end if
     end if
 
     ! Write foo2