diff --git a/examples/basic/gdecomp_mod.F90 b/examples/basic/gdecomp_mod.F90
index e4f1921452e..b5b41407ad3 100644
--- a/examples/basic/gdecomp_mod.F90
+++ b/examples/basic/gdecomp_mod.F90
@@ -300,9 +300,7 @@ end subroutine gdecomp_print
 !==================================================================
    subroutine gdecomp_DOF(gdecomp,my_task,DOF,start,count,write_decomp,test)
 
-#ifdef _NETCDF
    use netcdf   ! _EXTERNAL
-#endif
 
    implicit none
 
@@ -712,7 +710,6 @@ subroutine gdecomp_DOF(gdecomp,my_task,DOF,start,count,write_decomp,test)
 
    ! --- write out arrays ---
 
-#ifdef _NETCDF
    if (wdecomp) then
    write(6,*) ' '
    write(6,*) trim(subname),' writing decomp info to file ',trim(ncname)
@@ -738,7 +735,6 @@ subroutine gdecomp_DOF(gdecomp,my_task,DOF,start,count,write_decomp,test)
    rcode = nf90_put_var(ncid,varid(2),tskid)
    rcode = nf90_close(ncid)
    endif
-#endif
 
    endif   ! testonly
 
diff --git a/examples/basic/testpio.F90 b/examples/basic/testpio.F90
index 2a6e62e427a..d93d4e27521 100644
--- a/examples/basic/testpio.F90
+++ b/examples/basic/testpio.F90
@@ -770,11 +770,7 @@ program testpio
         !   print *, __FILE__,__LINE__,'>',fname_r8,'<'
         !   print *, __FILE__,__LINE__,'>',fname_i4,'<'
         !   print *, __FILE__,__LINE__,'>',fname_r4,'<'
-#if defined(_NETCDF) || defined(_PNETCDF)
         mode = pio_64bit_offset
-#else
-        mode = 0
-#endif
 
         if(writePhase) then 
            if(TestCombo) then
diff --git a/tests/general/util/pio_tutil.F90 b/tests/general/util/pio_tutil.F90
index c5e3383f64f..971f10fe055 100644
--- a/tests/general/util/pio_tutil.F90
+++ b/tests/general/util/pio_tutil.F90
@@ -351,14 +351,6 @@ SUBROUTINE PIO_TF_Get_undef_nc_iotypes(iotypes, iotype_descs, num_iotypes)
 
     num_iotypes = 0
     ! First find the number of io types
-#ifndef _NETCDF
-      ! netcdf
-      num_iotypes = num_iotypes + 1
-#ifndef _NETCDF4
-        ! netcdf4p, netcdf4c
-        num_iotypes = num_iotypes + 2
-#endif
-#endif
 #ifndef _PNETCDF
       ! pnetcdf
       num_iotypes = num_iotypes + 1
@@ -374,21 +366,6 @@ SUBROUTINE PIO_TF_Get_undef_nc_iotypes(iotypes, iotype_descs, num_iotypes)
       iotypes(i) = PIO_iotype_pnetcdf
       iotype_descs(i) = "PNETCDF"
       i = i + 1
-#endif
-#ifndef _NETCDF
-      ! netcdf
-      iotypes(i) = PIO_iotype_netcdf
-      iotype_descs(i) = "NETCDF"
-      i = i + 1
-#ifndef _NETCDF4
-        ! netcdf4p, netcdf4c
-        iotypes(i) = PIO_iotype_netcdf4c
-        iotype_descs(i) = "NETCDF4C"
-        i = i + 1
-        iotypes(i) = PIO_iotype_netcdf4p
-        iotype_descs(i) = "NETCDF4P"
-        i = i + 1
-#endif
 #endif
   END SUBROUTINE
 
@@ -468,14 +445,6 @@ SUBROUTINE PIO_TF_Get_undef_iotypes(iotypes, iotype_descs, num_iotypes)
 
     ! First find the number of io types
     num_iotypes = 0
-#ifndef _NETCDF
-      ! netcdf
-      num_iotypes = num_iotypes + 1
-#ifndef _NETCDF4
-      ! netcdf4p, netcdf4c
-      num_iotypes = num_iotypes + 2
-#endif
-#endif
 #ifndef _PNETCDF
       ! pnetcdf
       num_iotypes = num_iotypes + 1
@@ -486,27 +455,6 @@ SUBROUTINE PIO_TF_Get_undef_iotypes(iotypes, iotype_descs, num_iotypes)
     ALLOCATE(iotype_descs(num_iotypes))
 
     i = 1
-#ifndef _NETCDF
-      ! netcdf
-      iotypes(i) = PIO_iotype_netcdf
-      iotype_descs(i) = "NETCDF"
-      i = i + 1
-#ifndef _PNETCDF
-      ! pnetcdf
-      iotypes(i) = PIO_iotype_pnetcdf
-      iotype_descs(i) = "PNETCDF"
-      i = i + 1
-#endif
-#ifndef _NETCDF4
-      ! netcdf4p, netcdf4c
-      iotypes(i) = PIO_iotype_netcdf4c
-      iotype_descs(i) = "NETCDF4C"
-      i = i + 1
-      iotypes(i) = PIO_iotype_netcdf4p
-      iotype_descs(i) = "NETCDF4P"
-      i = i + 1
-#endif
-#endif
   END SUBROUTINE
 
   ! Returns a list of PIO base types
diff --git a/tests/unit/driver.F90 b/tests/unit/driver.F90
index d3f3a83fd7c..6764b875595 100644
--- a/tests/unit/driver.F90
+++ b/tests/unit/driver.F90
@@ -64,13 +64,6 @@ Program pio_unit_test_driver
      ! Ignore namelist values if PIO not built with correct options
      ! (i.e. don't test pnetcdf if not built with pnetcdf)
 
-#ifndef _NETCDF
-     if (ltest_netcdf) then
-        write(*,"(A,1x,A)") "WARNING: can not test netcdf files because PIO", &
-             "was not compiled with -D_NETCDF"
-        ltest_netcdf     = .false.
-     end if
-#endif
 #ifndef _NETCDF4
      if (ltest_netcdf4p) then
         write(*,"(A,1x,A)") "WARNING: can not test netcdf4p files because PIO", &