diff --git a/crates/chia-consensus/src/consensus_constants.rs b/crates/chia-consensus/src/consensus_constants.rs
index b85070bb8..dab6df66b 100644
--- a/crates/chia-consensus/src/consensus_constants.rs
+++ b/crates/chia-consensus/src/consensus_constants.rs
@@ -119,12 +119,6 @@ pub struct ConsensusConstants {
 
     pool_sub_slot_iters: u64,
 
-    /// Soft fork initiated in 1.8.0 release.
-    soft_fork2_height: u32,
-
-    /// Soft fork initiated in 2.3.0 release.
-    soft_fork4_height: u32,
-
     /// Soft fork initiated in 2.4.0 release.
     soft_fork5_height: u32,
 
@@ -132,8 +126,6 @@ pub struct ConsensusConstants {
     /// This is the block with the first plot filter adjustment.
     hard_fork_height: u32,
 
-    hard_fork_fix_height: u32,
-
     /// The 128 plot filter adjustment height.
     plot_filter_128_height: u32,
 
@@ -206,11 +198,8 @@ pub const TEST_CONSTANTS: ConsensusConstants = ConsensusConstants {
     max_generator_size: 1_000_000,
     max_generator_ref_list_size: 512,
     pool_sub_slot_iters: 37_600_000_000,
-    soft_fork2_height: 0,
-    soft_fork4_height: 5_716_000,
     soft_fork5_height: 5_940_000,
     hard_fork_height: 5_496_000,
-    hard_fork_fix_height: 5_496_000,
     plot_filter_128_height: 10_542_000,
     plot_filter_64_height: 15_592_000,
     plot_filter_32_height: 20_643_000,
diff --git a/crates/chia-consensus/src/spendbundle_validation.rs b/crates/chia-consensus/src/spendbundle_validation.rs
index afb5a50c4..537ae78c6 100644
--- a/crates/chia-consensus/src/spendbundle_validation.rs
+++ b/crates/chia-consensus/src/spendbundle_validation.rs
@@ -132,7 +132,7 @@ mod tests {
     #[rstest]
     #[case(0, ENABLE_FIXED_DIV)]
     #[case(TEST_CONSTANTS.hard_fork_height, ENABLE_BLS_OPS_OUTSIDE_GUARD | ENABLE_FIXED_DIV | ALLOW_BACKREFS)]
-    #[case(TEST_CONSTANTS.soft_fork4_height, ENABLE_BLS_OPS_OUTSIDE_GUARD | ENABLE_FIXED_DIV | ALLOW_BACKREFS)]
+    #[case(5_716_000, ENABLE_BLS_OPS_OUTSIDE_GUARD | ENABLE_FIXED_DIV | ALLOW_BACKREFS)]
     #[case(TEST_CONSTANTS.soft_fork5_height, ENABLE_BLS_OPS_OUTSIDE_GUARD | ENABLE_FIXED_DIV | ALLOW_BACKREFS | DISALLOW_INFINITY_G1)]
     fn test_get_flags(#[case] height: u32, #[case] expected_value: u32) {
         assert_eq!(
diff --git a/tests/run_gen.py b/tests/run_gen.py
index d6ecddd12..bd1572b0b 100755
--- a/tests/run_gen.py
+++ b/tests/run_gen.py
@@ -75,11 +75,8 @@
     MAX_GENERATOR_SIZE=uint32(1000000),
     MAX_GENERATOR_REF_LIST_SIZE=uint32(512),
     POOL_SUB_SLOT_ITERS=uint64(37600000000),
-    SOFT_FORK2_HEIGHT=uint32(0),
-    SOFT_FORK4_HEIGHT=uint32(5716000),
     SOFT_FORK5_HEIGHT=uint32(0),
     HARD_FORK_HEIGHT=uint32(5496000),
-    HARD_FORK_FIX_HEIGHT=uint32(5496000),
     PLOT_FILTER_128_HEIGHT=uint32(10542000),
     PLOT_FILTER_64_HEIGHT=uint32(15592000),
     PLOT_FILTER_32_HEIGHT=uint32(20643000),
diff --git a/tests/test_blscache.py b/tests/test_blscache.py
index 8f7851171..018d539de 100644
--- a/tests/test_blscache.py
+++ b/tests/test_blscache.py
@@ -84,11 +84,8 @@
     MAX_GENERATOR_SIZE=uint32(1000000),
     MAX_GENERATOR_REF_LIST_SIZE=uint32(512),
     POOL_SUB_SLOT_ITERS=uint64(37600000000),
-    SOFT_FORK2_HEIGHT=uint32(0),
-    SOFT_FORK4_HEIGHT=uint32(5716000),
     SOFT_FORK5_HEIGHT=uint32(0),
     HARD_FORK_HEIGHT=uint32(5496000),
-    HARD_FORK_FIX_HEIGHT=uint32(5496000),
     PLOT_FILTER_128_HEIGHT=uint32(10542000),
     PLOT_FILTER_64_HEIGHT=uint32(15592000),
     PLOT_FILTER_32_HEIGHT=uint32(20643000),
diff --git a/wheel/python/chia_rs/chia_rs.pyi b/wheel/python/chia_rs/chia_rs.pyi
index c6d6b1e57..7b8b65cbf 100644
--- a/wheel/python/chia_rs/chia_rs.pyi
+++ b/wheel/python/chia_rs/chia_rs.pyi
@@ -4176,11 +4176,8 @@ class ConsensusConstants:
     MAX_GENERATOR_SIZE: uint32
     MAX_GENERATOR_REF_LIST_SIZE: uint32
     POOL_SUB_SLOT_ITERS: uint64
-    SOFT_FORK2_HEIGHT: uint32
-    SOFT_FORK4_HEIGHT: uint32
     SOFT_FORK5_HEIGHT: uint32
     HARD_FORK_HEIGHT: uint32
-    HARD_FORK_FIX_HEIGHT: uint32
     PLOT_FILTER_128_HEIGHT: uint32
     PLOT_FILTER_64_HEIGHT: uint32
     PLOT_FILTER_32_HEIGHT: uint32
@@ -4227,11 +4224,8 @@ class ConsensusConstants:
         MAX_GENERATOR_SIZE: uint32,
         MAX_GENERATOR_REF_LIST_SIZE: uint32,
         POOL_SUB_SLOT_ITERS: uint64,
-        SOFT_FORK2_HEIGHT: uint32,
-        SOFT_FORK4_HEIGHT: uint32,
         SOFT_FORK5_HEIGHT: uint32,
         HARD_FORK_HEIGHT: uint32,
-        HARD_FORK_FIX_HEIGHT: uint32,
         PLOT_FILTER_128_HEIGHT: uint32,
         PLOT_FILTER_64_HEIGHT: uint32,
         PLOT_FILTER_32_HEIGHT: uint32
@@ -4295,11 +4289,8 @@ class ConsensusConstants:
         MAX_GENERATOR_SIZE: Union[ uint32, _Unspec] = _Unspec(),
         MAX_GENERATOR_REF_LIST_SIZE: Union[ uint32, _Unspec] = _Unspec(),
         POOL_SUB_SLOT_ITERS: Union[ uint64, _Unspec] = _Unspec(),
-        SOFT_FORK2_HEIGHT: Union[ uint32, _Unspec] = _Unspec(),
-        SOFT_FORK4_HEIGHT: Union[ uint32, _Unspec] = _Unspec(),
         SOFT_FORK5_HEIGHT: Union[ uint32, _Unspec] = _Unspec(),
         HARD_FORK_HEIGHT: Union[ uint32, _Unspec] = _Unspec(),
-        HARD_FORK_FIX_HEIGHT: Union[ uint32, _Unspec] = _Unspec(),
         PLOT_FILTER_128_HEIGHT: Union[ uint32, _Unspec] = _Unspec(),
         PLOT_FILTER_64_HEIGHT: Union[ uint32, _Unspec] = _Unspec(),
         PLOT_FILTER_32_HEIGHT: Union[ uint32, _Unspec] = _Unspec()) -> ConsensusConstants: ...