diff --git a/src/tools/other/mode_time_domain/mtd_file_base.cc b/src/tools/other/mode_time_domain/mtd_file_base.cc
index 6dfe4a7f9f..b95d12c6ed 100644
--- a/src/tools/other/mode_time_domain/mtd_file_base.cc
+++ b/src/tools/other/mode_time_domain/mtd_file_base.cc
@@ -481,18 +481,16 @@ void MtdFileBase::write(NcFile & f) const
 char junk[256];
 ConcatString s;
 
-   //  Nx, Ny, Nt
+   //  Add the time dimension
 
-add_dim(&f, nx_dim_name, Nx);
-add_dim(&f, ny_dim_name, Ny);
 add_dim(&f, nt_dim_name, Nt);
 
    //  Grid
 
-NcDim lat_dim = get_nc_dim(&f, ny_dim_name);
-NcDim lon_dim = get_nc_dim(&f, nx_dim_name);
+NcDim ny_dim;
+NcDim nx_dim;
 
-write_netcdf_proj(&f, *G, lat_dim, lon_dim);
+write_netcdf_proj(&f, *G, ny_dim, nx_dim);
 
    //  timestamp info
 
diff --git a/src/tools/other/mode_time_domain/mtd_nc_output.cc b/src/tools/other/mode_time_domain/mtd_nc_output.cc
index 0e622b0b44..3282b5f398 100644
--- a/src/tools/other/mode_time_domain/mtd_nc_output.cc
+++ b/src/tools/other/mode_time_domain/mtd_nc_output.cc
@@ -68,11 +68,9 @@ const bool have_pairs =    (fcst_obj.n_objects() != 0)
                         && ( obs_obj.n_objects() != 0);
 
    //
-   //  dimensions
+   //  add time dimension
    //
 
-nx_dim = add_dim(&out,  nx_dim_name, fcst_raw.nx());
-ny_dim = add_dim(&out,  ny_dim_name, fcst_raw.ny());
 nt_dim = add_dim(&out,  nt_dim_name, fcst_raw.nt());
 
    //
@@ -150,11 +148,9 @@ if ( IS_INVALID_NC(out) )  {
 }
 
    //
-   //  dimensions
+   //  add time dimension
    //
 
-nx_dim = add_dim(&out,  nx_dim_name, raw.nx());
-ny_dim = add_dim(&out,  ny_dim_name, raw.ny());
 nt_dim = add_dim(&out,  nt_dim_name, raw.nt());
 
    //