diff --git a/DQM/L1TMonitor/python/L1TStage2uGTTiming_cfi.py b/DQM/L1TMonitor/python/L1TStage2uGTTiming_cfi.py
index f3d76de4717ec..f25364a905c5f 100644
--- a/DQM/L1TMonitor/python/L1TStage2uGTTiming_cfi.py
+++ b/DQM/L1TMonitor/python/L1TStage2uGTTiming_cfi.py
@@ -41,11 +41,21 @@
     "L1_CICADA_Medium",
     "L1_CICADA_VTight"
 ])
- 
+
+unprescaledAlgoList_PbPb = cms.untracked.vstring(unprescaledAlgoList)
+unprescaledAlgoList_PbPb.remove("L1_SingleIsoEG28er1p5")
+unprescaledAlgoList_PbPb.remove("L1_SingleTau120er2p1")
+unprescaledAlgoList_PbPb.remove("L1_ETMHF130")
+
 prescaledAlgoList_2024 = cms.untracked.vstring(prescaledAlgoList)
 if "L1_ETT1600" in prescaledAlgoList_2024:
     prescaledAlgoList_2024.remove("L1_ETT1600")
 
+prescaledAlgoList_PbPb = cms.untracked.vstring(prescaledAlgoList)
+prescaledAlgoList_PbPb.remove("L1_SingleLooseIsoEG28er1p5")
+prescaledAlgoList_PbPb.remove("L1_SingleJet35_FWD2p5")
+prescaledAlgoList_PbPb.remove("L1_ETT1600")
+
 l1tStage2uGTTiming = DQMEDAnalyzer('L1TStage2uGTTiming',
     l1tStage2uGtSource = cms.InputTag("gtStage2Digis"),
     monitorDir = cms.untracked.string("L1T/L1TStage2uGT/timing_aux"),
@@ -63,3 +73,9 @@
     unprescaledAlgoShortList = unprescaledAlgoList_2024,
     prescaledAlgoShortList = prescaledAlgoList_2024
 )
+
+from Configuration.Eras.Modifier_pp_on_PbPb_run3_cff import pp_on_PbPb_run3
+from Configuration.Eras.Modifier_run3_upc_cff import run3_upc
+(pp_on_PbPb_run3 | run3_upc).toModify(l1tStage2uGTTiming,
+                                      unprescaledAlgoShortList = unprescaledAlgoList_PbPb,
+                                      prescaledAlgoShortList = prescaledAlgoList_PbPb)