diff --git a/src/Rules.LXnvhpc.mk b/src/Rules.LXnvhpc.mk
index d6052e0a964971986239c36eb343c2b3f556e178..7f18c08c6723fa610682c0def132d63110a7c0ca 100644
--- a/src/Rules.LXnvhpc.mk
+++ b/src/Rules.LXnvhpc.mk
@@ -279,13 +279,11 @@ OBJS_O1 += spll_modd_isba_n.o spll_mode_construct_ll.o \
 $(OBJS_O1) : OPT = $(OPT_BASE) $(OPT_PERF1)
 
 OBJS_O0= spll_mode_mppdb.o \
-         spll_fft55.o spll_fft.o spll_flat_invz.o \
          spll_mode_repro_sum.o \
          spll_modd_les_n.o \
          spll_default_desfm_n.o
 #default_desfmn: workaround a nvhpc 21.9 bug (run stall in default_desfmn)
-         
-
+#         spll_fft55.o spll_fft.o spll_flat_invz.o \
 #         spll_fast_terms.o 
 #         spll_modd_ch_solver_n.o \
 #         spll_modd_dummy_gr_field_n.o spll_modd_dyn_n.o 
diff --git a/src/Rules.LXnvhpc2005.mk b/src/Rules.LXnvhpc2005.mk
index 40da5636712a67f5bdc55d9148c9435b57310cd9..e8e199e86cd423d6cdb4c872b275cfae171154df 100644
--- a/src/Rules.LXnvhpc2005.mk
+++ b/src/Rules.LXnvhpc2005.mk
@@ -258,10 +258,10 @@ OBJS_O1 += spll_modd_isba_n.o spll_mode_construct_ll.o \
 $(OBJS_O1) : OPT = $(OPT_BASE) $(OPT_PERF1)
 
 OBJS_O0= spll_mode_mppdb.o \
-         spll_fft55.o spll_fft.o spll_flat_invz.o \
          spll_mode_repro_sum.o \
          spll_modd_les_n.o
 
+#         spll_fft55.o spll_fft.o spll_flat_invz.o \
 #         spll_fast_terms.o 
 #         spll_modd_ch_solver_n.o \
 #         spll_modd_dummy_gr_field_n.o spll_modd_dyn_n.o 
diff --git a/src/Rules.LXnvhpc2202.mk b/src/Rules.LXnvhpc2202.mk
index 341f0d2789b401a44806d27d1c60a949f31ba440..83886608444d628f49506a80a7f2f274faca634e 100644
--- a/src/Rules.LXnvhpc2202.mk
+++ b/src/Rules.LXnvhpc2202.mk
@@ -289,10 +289,10 @@ OBJS_O1 += spll_modd_isba_n.o modd_isba_n.mod spll_mode_construct_ll.o mode_cons
 $(OBJS_O1) : OPT = $(OPT_BASE) $(OPT_PERF1)
 
 OBJS_O0= spll_mode_mppdb.o mode_mppdb.mod \
-         spll_fft55.o spll_fft.o spll_flat_invz.o \
          spll_modd_les_n.o modd_les_n.mod \
          spll_default_desfm_n.o \
          spll_modd_pack_gr_field_n.o modd_pack_gr_field_n.mod
+#         spll_fft55.o spll_fft.o spll_flat_invz.o \
 $(OBJS_O0) : OPT = -g $(OPT_BASE) $(OPT_PERF0)
 
 #default_desfmn: workaround a nvhpc 21.9 bug (run stall in default_desfmn)
diff --git a/src/Rules.LXpgi.mk b/src/Rules.LXpgi.mk
index 92a545b508b6b374edacf931ea3f744c0f2ff4d6..a01198eda33d7aef5154bcee0aadceea6476b8d7 100644
--- a/src/Rules.LXpgi.mk
+++ b/src/Rules.LXpgi.mk
@@ -215,8 +215,8 @@ OBJS_O1= spll_modd_isba_n.o spll_mode_construct_ll.o \
 $(OBJS_O1) : OPT = $(OPT_BASE) $(OPT_PERF1)
 
 OBJS_O0= spll_mode_mppdb.o \
-         spll_fft55.o spll_fft.o spll_flat_invz.o \
-         spll_mode_repro_sum.o \
+         spll_mode_repro_sum.o
+#         spll_fft55.o spll_fft.o spll_flat_invz.o \
 # spll_fast_terms.o 
 # spll_mode_sum_ll.o
 $(OBJS_O0) : OPT = $(OPT_BASE) $(OPT_PERF0)
diff --git a/src/Rules.LXpgi2004.mk b/src/Rules.LXpgi2004.mk
index d3c5f1039a3b326e369807bf0a590ce2adddb7b5..63451e4301b588ba09a40e41133390bd82830d3a 100644
--- a/src/Rules.LXpgi2004.mk
+++ b/src/Rules.LXpgi2004.mk
@@ -255,10 +255,10 @@ OBJS_O1 += spll_modd_isba_n.o spll_mode_construct_ll.o \
 $(OBJS_O1) : OPT = $(OPT_BASE) $(OPT_PERF1)
 
 OBJS_O0= spll_mode_mppdb.o \
-         spll_fft55.o spll_fft.o spll_flat_invz.o \
          spll_mode_repro_sum.o \
          spll_modd_les_n.o
 
+#         spll_fft55.o spll_fft.o spll_flat_invz.o \
 #         spll_fast_terms.o 
 #         spll_modd_ch_solver_n.o \
 #         spll_modd_dummy_gr_field_n.o spll_modd_dyn_n.o