diff --git a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/HbToHuTauNu_TauToLNuNu.py b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/HbToHuTauNu_TauToLNuNu.py
deleted file mode 100644
index 12207af0ca21bc524bed0a41c4dce66ad2114b71..0000000000000000000000000000000000000000
--- a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/HbToHuTauNu_TauToLNuNu.py
+++ /dev/null
@@ -1,190 +0,0 @@
-###############################################################################
-# (c) Copyright 2021-2022 CERN for the benefit of the LHCb Collaboration      #
-#                                                                             #
-# This software is distributed under the terms of the GNU General Public      #
-# Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
-#                                                                             #
-# In applying this licence, CERN does not waive the privileges and immunities #
-# granted to it by virtue of its status as an Intergovernmental Organization  #
-# or submit itself to any jurisdiction.                                       #
-###############################################################################
-import Functors as F
-from GaudiKernel.SystemOfUnits import MeV, mm
-from RecoConf.algorithms_thor import ParticleContainersMerger
-
-from .builders.b_builder import make_b2xulnu
-from .builders.base_builder import (
-    make_candidate,
-    make_fake_tauons_muonic_decay,
-    make_kaons_from_b,
-    make_tauons_muonic_decay,
-)
-
-
-def make_bstoktaunu_muonic(process):
-    """
-    Selection for the decay Bs0 -> K tau(mu nu nu ) nu.
-    """
-    assert process in ["hlt2", "spruce"], (
-        "Line must be defined as Hlt2 or Sprucing line!"
-    )
-    with make_candidate.bind(track_chisq_ndof_max=2.5, track_ghostprob_max=0.03):
-        kaons = make_kaons_from_b(
-            pid=F.require_all(
-                F.PID_K > 10, F.PID_K - F.PID_P > 5, F.PID_K - F.PID_MU > 10
-            ),
-            p_min=12000 * MeV,
-            pt_min=1200 * MeV,
-            mipchi2_min=60.0,
-        )
-
-    taus = make_tauons_muonic_decay()
-
-    comb_m_min = 1000 * MeV
-    comb_m_max = 5000 * MeV
-    mcorr_min = 2500 * MeV
-    mcorr_max = 6500 * MeV
-    vchi2pdof_max = 2.5
-    bpvdira_min = 0.999
-    bpvfdchi2_min = 180.0
-    comb_doca_max = 0.07 * mm
-
-    b_rs = make_b2xulnu(
-        particles=[kaons, taus],
-        descriptor="[B_s~0 -> K+ mu-]cc",
-        comb_m_min=comb_m_min,
-        comb_m_max=comb_m_max,
-        comb_doca_max=comb_doca_max,
-        bpvdira_min=bpvdira_min,
-        vchi2pdof_max=vchi2pdof_max,
-        bpvfdchi2_min=bpvfdchi2_min,
-        mcorr_min=mcorr_min,
-        mcorr_max=mcorr_max,
-    )
-
-    b_ws = make_b2xulnu(
-        particles=[kaons, taus],
-        descriptor="[B_s~0 -> K+ mu+]cc",
-        comb_m_min=comb_m_min,
-        comb_m_max=comb_m_max,
-        comb_doca_max=comb_doca_max,
-        bpvdira_min=bpvdira_min,
-        vchi2pdof_max=vchi2pdof_max,
-        bpvfdchi2_min=bpvfdchi2_min,
-        mcorr_min=mcorr_min,
-        mcorr_max=mcorr_max,
-    )
-
-    line_alg = ParticleContainersMerger([b_rs, b_ws])
-    return line_alg
-
-
-def make_bstoktaunu_muonic_fakemu(process):
-    """
-    Selection for the decay Bs0 -> K tau(mu nu nu) nu, with a fake muon.
-    """
-    assert process in ["hlt2", "spruce"], (
-        "Line must be defined as Hlt2 or Sprucing line!"
-    )
-    with make_candidate.bind(track_chisq_ndof_max=2.5, track_ghostprob_max=0.03):
-        kaons = make_kaons_from_b(
-            pid=F.require_all(
-                F.PID_K > 10, F.PID_K - F.PID_P > 5, F.PID_K - F.PID_MU > 10
-            ),
-            p_min=12000 * MeV,
-            pt_min=1200 * MeV,
-            mipchi2_min=60.0,
-        )
-
-    taus_nopid = make_fake_tauons_muonic_decay()
-
-    comb_m_min = 1000 * MeV
-    comb_m_max = 5000 * MeV
-    mcorr_min = 2500 * MeV
-    mcorr_max = 6500 * MeV
-    vchi2pdof_max = 2.5
-    bpvdira_min = 0.999
-    bpvfdchi2_min = 180.0
-    comb_doca_max = 0.07 * mm
-
-    b_rs = make_b2xulnu(
-        particles=[kaons, taus_nopid],
-        descriptor="[B_s~0 -> K+ mu-]cc",
-        comb_m_min=comb_m_min,
-        comb_m_max=comb_m_max,
-        comb_doca_max=comb_doca_max,
-        bpvdira_min=bpvdira_min,
-        vchi2pdof_max=vchi2pdof_max,
-        bpvfdchi2_min=bpvfdchi2_min,
-        mcorr_min=mcorr_min,
-        mcorr_max=mcorr_max,
-    )
-
-    b_ws = make_b2xulnu(
-        particles=[kaons, taus_nopid],
-        descriptor="[B_s~0 -> K+ mu+]cc",
-        comb_m_min=comb_m_min,
-        comb_m_max=comb_m_max,
-        comb_doca_max=comb_doca_max,
-        bpvdira_min=bpvdira_min,
-        vchi2pdof_max=vchi2pdof_max,
-        bpvfdchi2_min=bpvfdchi2_min,
-        mcorr_min=mcorr_min,
-        mcorr_max=mcorr_max,
-    )
-
-    line_alg = ParticleContainersMerger([b_rs, b_ws])
-    return line_alg
-
-
-def make_bstoktaunu_muonic_fakek(process):
-    """
-    Selection for the decay Bs0 -> K tau(mu nu nu) , with a fake kaon.
-    """
-    assert process in ["hlt2", "spruce"], (
-        "Line must be defined as Hlt2 or Sprucing line!"
-    )
-    with make_candidate.bind(track_chisq_ndof_max=2.5, track_ghostprob_max=0.03):
-        kaons_nopid = make_kaons_from_b(
-            pid=None, p_min=12000 * MeV, pt_min=1200 * MeV, mipchi2_min=60.0
-        )
-
-    taus = make_tauons_muonic_decay()
-
-    comb_m_min = 1000 * MeV
-    comb_m_max = 5000.0 * MeV
-    mcorr_min = 2500 * MeV
-    mcorr_max = 6500 * MeV
-    vchi2pdof_max = 2.5
-    bpvdira_min = 0.999
-    bpvfdchi2_min = 180.0
-    comb_doca_max = 0.07 * mm
-
-    b_rs = make_b2xulnu(
-        particles=[kaons_nopid, taus],
-        descriptor="[B_s~0 -> K+ mu-]cc",
-        comb_m_min=comb_m_min,
-        comb_m_max=comb_m_max,
-        comb_doca_max=comb_doca_max,
-        bpvdira_min=bpvdira_min,
-        vchi2pdof_max=vchi2pdof_max,
-        bpvfdchi2_min=bpvfdchi2_min,
-        mcorr_min=mcorr_min,
-        mcorr_max=mcorr_max,
-    )
-
-    b_ws = make_b2xulnu(
-        particles=[kaons_nopid, taus],
-        descriptor="[B_s~0 -> K+ mu+]cc",
-        comb_m_min=comb_m_min,
-        comb_m_max=comb_m_max,
-        comb_doca_max=comb_doca_max,
-        bpvdira_min=bpvdira_min,
-        vchi2pdof_max=vchi2pdof_max,
-        bpvfdchi2_min=bpvfdchi2_min,
-        mcorr_min=mcorr_min,
-        mcorr_max=mcorr_max,
-    )
-
-    line_alg = ParticleContainersMerger([b_rs, b_ws])
-    return line_alg
diff --git a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/builders/base_builder.py b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/builders/base_builder.py
index c370a04ae91d80d7ff25c01791854513b21f1981..c7d3b361cade9959c4c1c6047c7ede1f14bd503f 100644
--- a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/builders/base_builder.py
+++ b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/builders/base_builder.py
@@ -280,10 +280,10 @@ def make_muons_from_b(
 
 @configurable
 def make_muons_for_btomunu(
-    pid=(F.PID_MU > 3.0), p_min=6000 * MeV, pt_min=1500 * MeV, mipchi2_min=25
+    pid=(F.PID_MU > 3.0), p_min=6000 * MeV, pt_min=500 * MeV, mipchi2_min=25
 ):
     """
-    Muons produced in the decay b -> Xu mu nu.
+    Muons produced in the decay b -> Xu mu nu and b -> Xu tau (-> mu nu nu) nu.
     """
     return make_muons_from_b(
         p_min=p_min, pt_min=pt_min, mipchi2_min=mipchi2_min, pid=pid
@@ -291,7 +291,7 @@ def make_muons_for_btomunu(
 
 
 @configurable
-def make_fake_muons_for_btomunu(p_min=6000 * MeV, pt_min=1500 * MeV, mipchi2_min=25):
+def make_fake_muons_for_btomunu(p_min=6000 * MeV, pt_min=500 * MeV, mipchi2_min=25):
     """
     Same builder as above, but requiring InMuon, not requiring IsMuon and reverting the PIDmu requirement.
     """
@@ -303,10 +303,10 @@ def make_fake_muons_for_btomunu(p_min=6000 * MeV, pt_min=1500 * MeV, mipchi2_min
 
 @configurable
 def make_electrons_for_btoenu(
-    pid=(F.PID_E > 2.0), p_min=6000 * MeV, pt_min=1000 * MeV, mipchi2_min=25
+    pid=(F.PID_E > 2.0), p_min=6000 * MeV, pt_min=500 * MeV, mipchi2_min=25
 ):
     """
-    Electrons produced in the decay b -> Xu e nu.
+    Electrons produced in the decay b -> Xu e nu and b -> Xu tau (-> e nu nu) nu.
     """
     return make_electrons_from_b(
         p_min=p_min, pt_min=pt_min, mipchi2_min=mipchi2_min, pid=pid, require_in_calo=1
@@ -315,7 +315,7 @@ def make_electrons_for_btoenu(
 
 @configurable
 def make_fake_electrons_for_btoenu(
-    pid=(F.PID_E <= 2.0), p_min=6000 * MeV, pt_min=1000 * MeV, mipchi2_min=25
+    pid=(F.PID_E <= 2.0), p_min=6000 * MeV, pt_min=500 * MeV, mipchi2_min=25
 ):
     """
     Same builder as above, but reverting the PIDe requirement.
diff --git a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/hlt2_semileptonic.py b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/hlt2_semileptonic.py
index 4224846a5f150e008d992c615ffe002e1f40db56..75b98c63244891020a101e05cb475be08cb0b9b8 100644
--- a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/hlt2_semileptonic.py
+++ b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/hlt2_semileptonic.py
@@ -120,11 +120,6 @@ from .HbToHuLNu import (
     make_lbtopmunu_ss_fakemu,
     make_lbtopmunu_ss_fakep,
 )
-from .HbToHuTauNu_TauToLNuNu import (
-    make_bstoktaunu_muonic,
-    make_bstoktaunu_muonic_fakek,
-    make_bstoktaunu_muonic_fakemu,
-)
 from .HbToHuTauNu_TauToPiPiPiNu import (
     make_b0topitaunu_hadronic,
     make_bstoktaunu_hadronic,
@@ -1915,7 +1910,7 @@ def hlt2_lbtopmunu_ss_fakemu_line(
 @register_line_builder(hlt2_lines)
 def hlt2_bstokmunu_line(name="Hlt2SLB_BsToKMuNu", prescale=1, persistreco=True):
     """
-    SL Hlt2 line for the decay Bs0 -> K mu nu.
+    SL Hlt2 line for the decay Bs0 -> K mu nu and Bs0 -> K tau nu (tau -> mu nu nu).
     """
     line_alg = make_bstokmunu(process=PROCESS)
 
@@ -1936,7 +1931,7 @@ def hlt2_bstokmunu_line(name="Hlt2SLB_BsToKMuNu", prescale=1, persistreco=True):
 @register_line_builder(hlt2_lines)
 def hlt2_bstokmunu_ss_line(name="Hlt2SLB_BsToKMuNu_SS", prescale=0.1, persistreco=True):
     """
-    SL Hlt2 line for the decay Bs0 -> K mu nu (same-sign).
+    SL Hlt2 line for the decay Bs0 -> K mu nu and Bs0 -> K tau nu (tau -> mu nu nu, same-sign).
     """
     line_alg = make_bstokmunu_ss(process=PROCESS)
 
@@ -1959,7 +1954,7 @@ def hlt2_bstokmunu_fakemu_line(
     name="Hlt2SLB_BsToKMuNu_FakeMu", prescale=0.001, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K mu nu, with a fake muon.
+    SL Hlt2 line for the decay Bs0 -> K mu nu and Bs0 -> K tau nu (tau -> mu nu nu), with a fake muon.
     """
     line_alg = make_bstokmunu_fakemu(process=PROCESS)
 
@@ -1982,7 +1977,7 @@ def hlt2_bstokmunu_ss_fakemu_line(
     name="Hlt2SLB_BsToKMuNu_SS_FakeMu", prescale=0.001, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K mu nu, with a fake muon (same-sign).
+    SL Hlt2 line for the decay Bs0 -> K mu nu and Bs0 -> K tau nu (tau -> mu nu nu), with a fake muon (same-sign).
     """
     line_alg = make_bstokmunu_ss_fakemu(process=PROCESS)
 
@@ -2005,7 +2000,7 @@ def hlt2_bstokmunu_fakek_line(
     name="Hlt2SLB_BsToKMuNu_NoPIDK", prescale=0.02, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K mu, with a fake kaon.
+    SL Hlt2 line for the decay Bs0 -> K mu nu and Bs0 -> K tau nu (tau -> mu nu nu), with a fake kaon.
     """
     line_alg = make_bstokmunu_fakek(process=PROCESS)
 
@@ -2028,7 +2023,7 @@ def hlt2_bstokmunu_ss_fakek_line(
     name="Hlt2SLB_BsToKMuNu_SS_NoPIDK", prescale=0.02, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K mu, with a fake kaon (same-sign).
+    SL Hlt2 line for the decay Bs0 -> K mu nu and Bs0 -> K tau nu (tau -> mu nu nu), with a fake kaon (same-sign).
     """
     line_alg = make_bstokmunu_ss_fakek(process=PROCESS)
 
@@ -2051,7 +2046,7 @@ def hlt2_bstokmunu_fakek_fakemu_line(
     name="Hlt2SLB_BsToKMuNu_NoPIDK_FakeMu", prescale=0.001, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K mu, with a fake kaon and a fake muon.
+    SL Hlt2 line for the decay Bs0 -> K mu nu and Bs0 -> K tau nu (tau -> mu nu nu), with a fake kaon and a fake muon.
     """
     line_alg = make_bstokmunu_fakek_fakemu(process=PROCESS)
 
@@ -2072,7 +2067,7 @@ def hlt2_bstokmunu_fakek_fakemu_line(
 @register_line_builder(hlt2_lines)
 def hlt2_bstokenu_line(name="Hlt2SLB_BsToKENu", prescale=1, persistreco=True):
     """
-    SL Hlt2 line for the decay Bs0 -> K e nu.
+    SL Hlt2 line for the decay Bs0 -> K e nu and Bs0 -> K tau nu (tau -> e nu nu).
     """
     line_alg = make_bstokenu(process=PROCESS)
 
@@ -2093,7 +2088,7 @@ def hlt2_bstokenu_line(name="Hlt2SLB_BsToKENu", prescale=1, persistreco=True):
 @register_line_builder(hlt2_lines)
 def hlt2_bstokenu_ss_line(name="Hlt2SLB_BsToKENu_SS", prescale=0.1, persistreco=True):
     """
-    SL Hlt2 line for the decay Bs0 -> K e nu (same-sign).
+    SL Hlt2 line for the decay Bs0 -> K e nu and Bs0 -> K tau nu (tau -> e nu nu, same-sign).
     """
     line_alg = make_bstokenu_ss(process=PROCESS)
 
@@ -2116,7 +2111,7 @@ def hlt2_bstokenu_fakeelectron_line(
     name="Hlt2SLB_BsToKENu_FakeElectron", prescale=0.02, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K e nu, with a fake electron.
+    SL Hlt2 line for the decay Bs0 -> K e nu and Bs0 -> K tau nu (tau -> e nu nu), with a fake electron.
     """
     line_alg = make_bstokenu_fakeelectron(process=PROCESS)
 
@@ -2139,7 +2134,7 @@ def hlt2_bstokenu_ss_fakeelectron_line(
     name="Hlt2SLB_BsToKENu_SS_FakeElectron", prescale=0.02, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K e nu, with a fake electron (same-sign).
+    SL Hlt2 line for the decay Bs0 -> K e nu and Bs0 -> K tau nu (tau -> e nu nu), with a fake electron (same-sign).
     """
     line_alg = make_bstokenu_ss_fakeelectron(process=PROCESS)
 
@@ -2162,7 +2157,7 @@ def hlt2_bstokenu_fakek_line(
     name="Hlt2SLB_BsToKENu_NoPIDK", prescale=0.02, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K e, with a fake kaon.
+    SL Hlt2 line for the decay Bs0 -> K e nu and Bs0 -> K tau nu (tau -> e nu nu), with a fake kaon.
     """
     line_alg = make_bstokenu_fakek(process=PROCESS)
 
@@ -2185,7 +2180,7 @@ def hlt2_bstokenu_ss_fakek_line(
     name="Hlt2SLB_BsToKENu_SS_NoPIDK", prescale=0.02, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K e, with a fake kaon (same-sign).
+    SL Hlt2 line for the decay Bs0 -> K e nu and Bs0 -> K tau nu (tau -> e nu nu), with a fake kaon (same-sign).
     """
     line_alg = make_bstokenu_ss_fakek(process=PROCESS)
 
@@ -2208,7 +2203,7 @@ def hlt2_bstokenu_fakek_fakeelectron_line(
     name="Hlt2SLB_BsToKENu_NoPIDK_FakeElectron", prescale=0.02, persistreco=True
 ):
     """
-    SL Hlt2 line for the decay Bs0 -> K e, with a fake kaon and a fake electron.
+    SL Hlt2 line for the decay Bs0 -> K e nu and Bs0 -> K tau nu (tau -> e nu nu), with a fake kaon and a fake electron.
     """
     line_alg = make_bstokenu_fakek_fakeelectron(process=PROCESS)
 
@@ -2249,75 +2244,6 @@ def hlt2_bstoktaunu_hadronic_line(
     )
 
 
-@register_line_builder(hlt2_lines)
-def hlt2_bstoktaunu_muonic_line(
-    name="Hlt2SLB_BsToKTauNu_TauToMuNuNu", prescale=1, persistreco=True
-):
-    """
-    SL Hlt2 line for the decay Bs0 -> K tau(mu nu nu ) nu.
-    """
-    line_alg = make_bstoktaunu_muonic(process=PROCESS)
-
-    line_mon = generate_default_monitoring_vars(
-        name, line_alg, charged=False, charmed=False
-    )
-
-    return Hlt2Line(
-        name=name,
-        prescale=prescale,
-        persistreco=persistreco,
-        hlt1_filter_code=sl_hlt1_default_muon_filter(),
-        algs=sl_line_prefilter() + [line_alg] + line_mon,
-        monitoring_variables=_MONITORING_VARIABLES,
-    )
-
-
-@register_line_builder(hlt2_lines)
-def hlt2_bstoktaunu_muonic_fakemu_line(
-    name="Hlt2SLB_BsToKTauNu_TauToMuNuNu_NoPIDMu", prescale=0.02, persistreco=True
-):
-    """
-    SL Hlt2 line for the decay Bs0 -> K tau(mu nu nu) nu, with a fake muon.
-    """
-    line_alg = make_bstoktaunu_muonic_fakemu(process=PROCESS)
-
-    line_mon = generate_default_monitoring_vars(
-        name, line_alg, charged=False, charmed=False
-    )
-
-    return Hlt2Line(
-        name=name,
-        prescale=prescale,
-        persistreco=persistreco,
-        hlt1_filter_code=sl_hlt1_default_hadron_filter(),
-        algs=sl_line_prefilter() + [line_alg] + line_mon,
-        monitoring_variables=_MONITORING_VARIABLES,
-    )
-
-
-@register_line_builder(hlt2_lines)
-def hlt2_bstoktaunu_muonic_fakek_line(
-    name="Hlt2SLB_BsToKTauNu_TauToMuNuNu_NoPIDK", prescale=0.02, persistreco=True
-):
-    """
-    SL Hlt2 line for the decay Bs0 -> K tau(mu nu nu) , with a fake kaon.
-    """
-    line_alg = make_bstoktaunu_muonic_fakek(process=PROCESS)
-
-    line_mon = generate_default_monitoring_vars(
-        name, line_alg, charged=False, charmed=False
-    )
-
-    return Hlt2Line(
-        name=name,
-        prescale=prescale,
-        persistreco=persistreco,
-        hlt1_filter_code=sl_hlt1_default_muon_filter(),
-        algs=sl_line_prefilter() + [line_alg] + line_mon,
-        monitoring_variables=_MONITORING_VARIABLES,
-    )
-
-
 @register_line_builder(hlt2_lines)
 def hlt2_b2ppbarmunu_line(name="Hlt2SLB_BuToPPbarMuNu", prescale=1, persistreco=True):
     """