diff --git a/CODEOWNERS b/CODEOWNERS
index 26691212..3c788977 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -11,12 +11,8 @@
 * @c-dilks
 src/iguana/algorithms/clas12/CalorimeterLinker/* @c-dilks
 src/iguana/algorithms/clas12/EventBuilderFilter/* @c-dilks
-src/iguana/algorithms/clas12/FTEnergyCorrection/* @asligonulacar
-src/iguana/algorithms/clas12/FiducialFilter/* @Gregtom3
 src/iguana/algorithms/clas12/MatchParticleProximity/* @c-dilks
-src/iguana/algorithms/clas12/MomentumCorrection/* @RichCap @c-dilks
 src/iguana/algorithms/clas12/PhotonGBTFilter/* @Gregtom3
-src/iguana/algorithms/clas12/RGAFiducialFilter/* @tbhayward
 src/iguana/algorithms/clas12/SectorFinder/* @rtysonCLAS12
 src/iguana/algorithms/clas12/TrajLinker/* @c-dilks
 src/iguana/algorithms/clas12/ZVertexFilter/* @rtysonCLAS12
diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection/Action.yaml b/src/iguana/algorithms/clas12/FTEnergyCorrection/Action.yaml
deleted file mode 100644
index e8dfda6a..00000000
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection/Action.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-algorithm:
-  name: 'clas12::FTEnergyCorrection'
-include:
-  - '../rga/FTEnergyCorrection/Action.yaml' # include these action functions
diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc
deleted file mode 100644
index ee9a3d94..00000000
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc
+++ /dev/null
@@ -1,4 +0,0 @@
-#include "Algorithm.h"
-namespace iguana::clas12 {
-  REGISTER_IGUANA_ALGORITHM(FTEnergyCorrection);
-}
diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.h b/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.h
deleted file mode 100644
index d98e854f..00000000
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-
-#include "iguana/algorithms/clas12/rga/FTEnergyCorrection/Algorithm.h"
-
-namespace iguana::clas12 {
-
-  /// @algo_brief{RENAMED to iguana::clas12::rga::FTEnergyCorrection}
-  /// @algo_type_transformer
-  /// @deprecated This algorithm has been RENAMED to iguana::clas12::rga::FTEnergyCorrection, as of Iguana version 1.0.0.
-  class FTEnergyCorrection : public rga::FTEnergyCorrection
-  {
-      // the deprecated algorithm should inherit from the renamed algorithm, to avoid downstream build failures
-      DEFINE_IGUANA_SUBALGORITHM(FTEnergyCorrection, clas12::FTEnergyCorrection, clas12::rga::FTEnergyCorrection)
-
-    public:
-
-      // make sure base-class specialized `Run` functions (overloads) are not shadowed by any `Run` function overrides here
-      using rga::FTEnergyCorrection::Run;
-
-      // override `Start`, `Run` and `Stop`
-      // provide the new name and the Iguana version number, for a runtime failure
-      DEPRECATE_IGUANA_ALGORITHM(ThrowSinceRenamed("clas12::rga::FTEnergyCorrection", "1.0.0");)
-  };
-
-}
diff --git a/src/iguana/algorithms/clas12/FiducialFilter/Action.yaml b/src/iguana/algorithms/clas12/FiducialFilter/Action.yaml
deleted file mode 100644
index 2cb45bd6..00000000
--- a/src/iguana/algorithms/clas12/FiducialFilter/Action.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-algorithm:
-  name: 'clas12::FiducialFilter'
-include:
-  - '../rga/FiducialFilterPass1/Action.yaml' # include these action functions
diff --git a/src/iguana/algorithms/clas12/FiducialFilter/Algorithm.cc b/src/iguana/algorithms/clas12/FiducialFilter/Algorithm.cc
deleted file mode 100644
index 5a0150e9..00000000
--- a/src/iguana/algorithms/clas12/FiducialFilter/Algorithm.cc
+++ /dev/null
@@ -1,4 +0,0 @@
-#include "Algorithm.h"
-namespace iguana::clas12 {
-  REGISTER_IGUANA_ALGORITHM(FiducialFilter);
-}
diff --git a/src/iguana/algorithms/clas12/FiducialFilter/Algorithm.h b/src/iguana/algorithms/clas12/FiducialFilter/Algorithm.h
deleted file mode 100644
index c2e059d2..00000000
--- a/src/iguana/algorithms/clas12/FiducialFilter/Algorithm.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-
-#include "iguana/algorithms/clas12/rga/FiducialFilterPass1/Algorithm.h"
-
-namespace iguana::clas12 {
-
-  /// @algo_brief{RENAMED to iguana::clas12::rga::FiducialFilterPass1}
-  /// @algo_type_filter
-  /// @deprecated This algorithm has been RENAMED to iguana::clas12::rga::FiducialFilterPass1, as of Iguana version 1.0.0.
-  class FiducialFilter : public rga::FiducialFilterPass1
-  {
-      // the deprecated algorithm should inherit from the renamed algorithm, to avoid downstream build failures
-      DEFINE_IGUANA_SUBALGORITHM(FiducialFilter, clas12::FiducialFilter, clas12::rga::FiducialFilterPass1)
-
-    public:
-
-      // make sure base-class specialized `Run` functions (overloads) are not shadowed by any `Run` function overrides here
-      using rga::FiducialFilterPass1::Run;
-
-      // override `Start`, `Run` and `Stop`
-      // provide the new name and the Iguana version number, for a runtime failure
-      DEPRECATE_IGUANA_ALGORITHM(ThrowSinceRenamed("clas12::rga::FiducialFilterPass1", "1.0.0");)
-  };
-
-}
diff --git a/src/iguana/algorithms/clas12/MomentumCorrection/Action.yaml b/src/iguana/algorithms/clas12/MomentumCorrection/Action.yaml
deleted file mode 100644
index c358477d..00000000
--- a/src/iguana/algorithms/clas12/MomentumCorrection/Action.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-algorithm:
-  name: 'clas12::MomentumCorrection'
-include:
-  - '../rga/MomentumCorrection/Action.yaml' # include these action functions
diff --git a/src/iguana/algorithms/clas12/MomentumCorrection/Algorithm.cc b/src/iguana/algorithms/clas12/MomentumCorrection/Algorithm.cc
deleted file mode 100644
index 3aaf8ad5..00000000
--- a/src/iguana/algorithms/clas12/MomentumCorrection/Algorithm.cc
+++ /dev/null
@@ -1,4 +0,0 @@
-#include "Algorithm.h"
-namespace iguana::clas12 {
-  REGISTER_IGUANA_ALGORITHM(MomentumCorrection);
-}
diff --git a/src/iguana/algorithms/clas12/MomentumCorrection/Algorithm.h b/src/iguana/algorithms/clas12/MomentumCorrection/Algorithm.h
deleted file mode 100644
index 9dba831e..00000000
--- a/src/iguana/algorithms/clas12/MomentumCorrection/Algorithm.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-
-#include "iguana/algorithms/clas12/rga/MomentumCorrection/Algorithm.h"
-
-namespace iguana::clas12 {
-
-  /// @algo_brief{RENAMED to iguana::clas12::rga::MomentumCorrection}
-  /// @algo_type_transformer
-  /// @deprecated This algorithm has been RENAMED to iguana::clas12::rga::MomentumCorrection, as of Iguana version 1.0.0.
-  class MomentumCorrection : public rga::MomentumCorrection
-  {
-      // the deprecated algorithm should inherit from the renamed algorithm, to avoid downstream build failures
-      DEFINE_IGUANA_SUBALGORITHM(MomentumCorrection, clas12::MomentumCorrection, clas12::rga::MomentumCorrection)
-
-    public:
-
-      // make sure base-class specialized `Run` functions (overloads) are not shadowed by any `Run` function overrides here
-      using rga::MomentumCorrection::Run;
-
-      // override `Start`, `Run` and `Stop`
-      // provide the new name and the Iguana version number, for a runtime failure
-      DEPRECATE_IGUANA_ALGORITHM(ThrowSinceRenamed("clas12::rga::MomentumCorrection", "1.0.0");)
-  };
-
-}
diff --git a/src/iguana/algorithms/clas12/RGAFiducialFilter/Algorithm.cc b/src/iguana/algorithms/clas12/RGAFiducialFilter/Algorithm.cc
deleted file mode 100644
index 53e0cbd0..00000000
--- a/src/iguana/algorithms/clas12/RGAFiducialFilter/Algorithm.cc
+++ /dev/null
@@ -1,4 +0,0 @@
-#include "Algorithm.h"
-namespace iguana::clas12 {
-  REGISTER_IGUANA_ALGORITHM(RGAFiducialFilter);
-}
diff --git a/src/iguana/algorithms/clas12/RGAFiducialFilter/Algorithm.h b/src/iguana/algorithms/clas12/RGAFiducialFilter/Algorithm.h
deleted file mode 100644
index b63958bf..00000000
--- a/src/iguana/algorithms/clas12/RGAFiducialFilter/Algorithm.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-
-#include "iguana/algorithms/clas12/rga/FiducialFilterPass2/Algorithm.h"
-
-namespace iguana::clas12 {
-
-  /// @algo_brief{RENAMED to iguana::clas12::rga::FiducialFilterPass2}
-  /// @algo_type_filter
-  /// @deprecated This algorithm has been RENAMED to iguana::clas12::rga::FiducialFilterPass2, as of Iguana version 1.0.0.
-  class RGAFiducialFilter : public rga::FiducialFilterPass2
-  {
-      // the deprecated algorithm should inherit from the renamed algorithm, to avoid downstream build failures
-      DEFINE_IGUANA_SUBALGORITHM(RGAFiducialFilter, clas12::RGAFiducialFilter, clas12::rga::FiducialFilterPass2)
-
-    public:
-
-      // make sure base-class specialized `Run` functions (overloads) are not shadowed by any `Run` function overrides here
-      using rga::FiducialFilterPass2::Run;
-
-      // override `Start`, `Run` and `Stop`
-      // provide the new name and the Iguana version number, for a runtime failure
-      DEPRECATE_IGUANA_ALGORITHM(ThrowSinceRenamed("clas12::rga::FiducialFilterPass2", "1.0.0");)
-  };
-
-}
diff --git a/src/iguana/algorithms/meson.build b/src/iguana/algorithms/meson.build
index aaddac35..733b271d 100644
--- a/src/iguana/algorithms/meson.build
+++ b/src/iguana/algorithms/meson.build
@@ -44,7 +44,6 @@ algo_dict = [
       'prerequisites': [ 'clas12::CalorimeterLinker', 'clas12::TrajLinker' ],
     },
   },
-  { 'name': 'clas12::FiducialFilter', 'has_config': false, 'has_validator': false, 'test_args': { 'should_fail': true } }, # deprecated
   {
     'name': 'clas12::SectorFinder',
     'test_args': {
@@ -75,7 +74,6 @@ algo_dict = [
     'has_validator': false,
     'test_args': {'banks': [ 'RECFT::Particle' ]},
   },
-  { 'name': 'clas12::FTEnergyCorrection', 'has_config': false, 'has_validator': false, 'test_args': { 'should_fail': true } }, # deprecated
   {
     'name': 'clas12::rga::MomentumCorrection',
     'has_config': false,
@@ -90,7 +88,6 @@ algo_dict = [
       'prerequisites': [ 'clas12::SectorFinder' ],
     },
   },
-  { 'name': 'clas12::MomentumCorrection', 'has_config': false, 'has_validator': false, 'test_args': { 'should_fail': true } }, # deprecated
   {
     'name': 'physics::InclusiveKinematics',
     'algorithm_needs_ROOT': true,
@@ -138,7 +135,6 @@ algo_dict = [
       'banks': [ 'REC::Particle', 'RUN::config' ],
     },
   },
-  { 'name': 'clas12::RGAFiducialFilter', 'has_config': false, 'has_validator': false, 'has_action_yaml': false, 'test_args': { 'should_fail': true } }, # deprecated
   {
     'name': 'clas12::MatchParticleProximity',
     'algorithm_needs_ROOT': true,