diff --git a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/__init__.py b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/__init__.py
index f550e9d00a65c9587716edaf6b2eba88b9e486d3..d900fde7053236b5da42ca1232f9ded2b0a43a7d 100644
--- a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/__init__.py
+++ b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/__init__.py
@@ -42,6 +42,7 @@ from . import (
     hyperons,
     hyperonsTT,
     lc_to_ksh_kshhh,
+    prod_xsec,
     rare_charm_lines,
 )
 
@@ -80,3 +81,4 @@ all_lines.update(dst_to_dee.all_lines)
 all_lines.update(hexaquarks.all_lines)
 all_lines.update(dsstar_to_dspipi.all_lines)
 all_lines.update(hadronic_interaction_lines.all_lines)
+all_lines.update(prod_xsec.all_lines)
diff --git a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/prod_xsec.py b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/prod_xsec.py
index 693107ecfcbacaf3eb2ba3e58d56678713c45d54..8bafcaa5aec955fe7cd4dc6e817f7634e27da1a1 100644
--- a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/prod_xsec.py
+++ b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/charm/prod_xsec.py
@@ -97,20 +97,31 @@ from RecoConf.algorithms_thor import (
 )
 from RecoConf.reconstruction_objects import make_pvs
 from RecoConf.standard_particles import (
-    make_down_pions,
     make_has_rich_long_kaons,
-    make_has_rich_long_pions,
+    make_has_rich_long_pions,  # make_down_pions,
     make_has_rich_long_protons,
     make_long_pions,
 )
 
-from .particle_properties import _D0_M, _DP_M, _DS_M, _KS_M, _PION_M
+from Hlt2Conf.hlt1_tistos import hlt1_tos_on_any_filter
+
+from .particle_properties import _D0_M, _DP_M, _DS_M, _PION_M  # , _KS_M
 from .prefilters import charm_prefilters
 
 #################################################################################
 ############################## CHARM MESONS #####################################
 #################################################################################
 
+hlt1_tos_lines = ["Hlt1TrackMVADecision", "Hlt1TwoTrackMVADecision"]
+
+
+def _xsec_make_charm_hlt1tos() -> ParticleFilter:
+    pre_filtered_charms = _xsec_make_charm_hadron_container()
+
+    return hlt1_tos_on_any_filter(
+        data=pre_filtered_charms, hlt1_trigger_lines=hlt1_tos_lines
+    )
+
 
 def _xsec_make_loose_long_pions_from_d() -> ParticleFilter:
     """Maker for loose long pion tracks for/from D meson
@@ -515,8 +526,7 @@ def _xsec_make_dstars_D0pi(
 
 
 all_lines = {}
-
-
+'''
 @register_line_builder(all_lines)
 @configurable
 def dzero2kpi_line(
@@ -652,8 +662,9 @@ def dplus2kkpi_line(
         * avoid unnecessary computations by using `hlt1_filter_code=["Hlt1TwoTrackLowPtCharmDecision", "Hlt1GECPassthroughDecision"]`
     """
     dpluses = _xsec_make_dplus_KKpi()
-    return Hlt2Line(name=name, algs=charm_prefilters() + [dpluses], prescale=prescale)
-
+    return Hlt2Line(
+        name=name, algs=charm_prefilters() + [dpluses], prescale=prescale)
+'''
 
 ###########################################################################
 ############################ CHARM BARYONS ################################
@@ -946,6 +957,7 @@ def _xsec_make_xic0_pkkpi(
     )
 
 
+'''
 ## Baryon Line builders
 @register_line_builder(all_lines)
 @configurable
@@ -988,7 +1000,6 @@ def xicp2pkpi_line(name="Hlt2Charm_XicpToPpKmPip_XSec", prescale=0.2):
         name=name, algs=charm_prefilters() + [_xsec_make_xicp_pKpi()], prescale=prescale
     )
 
-
 @register_line_builder(all_lines)
 @configurable
 def xic02pkkpi_line(name="Hlt2Charm_Xic0ToPpKmKmPip_XSec", prescale=0.2):
@@ -1011,6 +1022,7 @@ def xic02pkkpi_line(name="Hlt2Charm_Xic0ToPpKmKmPip_XSec", prescale=0.2):
         prescale=prescale,
     )
 
+'''
 
 ###############################################################################
 ######################## DOUBLE CHARM #########################################
@@ -1048,9 +1060,10 @@ def _xsec_make_charm_hadron_container() -> ParticleContainersMerger:
     """
     dzeros = _xsec_make_dzeros_Kpi()
     dplus = _xsec_make_dplus_Kpipi()
+    dsplus = _xsec_make_dplus_KKpi()
     lcps = _xsec_make_lcp_pKpi()
     return ParticleContainersMerger(
-        [dzeros, dplus, lcps], name="Charm_XSec_DoubleCharm_Merger_{hash}"
+        [dzeros, dplus, dsplus, lcps], name="Charm_XSec_DoubleCharm_Merger_{hash}"
     )
 
 
@@ -1072,7 +1085,7 @@ def _xsec_make_double_SS_charm_combinations() -> ParticleContainersMerger:
         "[psi(4415) -> D_s+ Lambda_c+]cc",
         "[psi(4415) -> Lambda_c+ Lambda_c+]cc",
     ]
-    hadrons = _xsec_make_charm_hadron_container()
+    hadrons = _xsec_make_charm_hlt1tos()
     comb = []
     for d in descriptors:
         comb.append(_xsec_make_double_charm(hadrons, d))
@@ -1097,7 +1110,7 @@ def _xsec_make_double_OS_charm_combinations() -> ParticleContainersMerger:
         "[psi(4415) -> D_s+ D~0]cc",
         "[psi(4415) -> D_s+ Lambda_c~-]cc",
     ]
-    hadrons = _xsec_make_charm_hadron_container()
+    hadrons = _xsec_make_charm_hlt1tos()
     comb = []
     for d in descriptors:
         comb.append(_xsec_make_double_charm(hadrons, d))
@@ -1109,7 +1122,7 @@ def _xsec_make_double_OS_charm_combinations() -> ParticleContainersMerger:
 def double_charm_SS_line(
     name: str = "Hlt2Charm_DoubleOpenCharmSS_PR_XSec",
     prescale: float = 1.0,
-    persistreco: bool = True,
+    persistreco: bool = False,
 ) -> Hlt2Line:
     """Triggerline for same sign double charm production.
     Note:
@@ -1135,7 +1148,7 @@ def double_charm_SS_line(
 def double_charm_OS_line(
     name: str = "Hlt2Charm_DoubleOpenCharmOS_PR_XSec",
     prescale: float = 1.0,
-    persistreco: bool = True,
+    persistreco: bool = False,
 ) -> Hlt2Line:
     """Triggerline for opposite sign double charm production.
 
@@ -1159,8 +1172,7 @@ def double_charm_OS_line(
 #######################################################################################
 ############################ CHARM MESONS w/ KS #######################################
 #######################################################################################
-
-
+'''
 def _xsec_make_long_pions_from_ks():
     """Maker for long pion tracks for/from Kshort(LL)
 
@@ -1299,7 +1311,6 @@ def _xsec_make_dzero_Kshh(
         ),
     )
 
-
 ## D0 -> KS0 h+ h-  Line builders
 @register_line_builder(all_lines)
 @configurable
@@ -1445,5 +1456,5 @@ def dstar2dzeropi_dzero2ksDDkk_line(
     return Hlt2Line(
         name=name,
         algs=charm_prefilters() + [kshorts, dzeros, dstars],
-        prescale=prescale,
-    )
+        prescale=prescale)
+'''