diff --git a/crates/ecstore/src/core/pools.rs b/crates/ecstore/src/core/pools.rs
index 4de4f830e..5112e066a 100644
--- a/crates/ecstore/src/core/pools.rs
+++ b/crates/ecstore/src/core/pools.rs
@@ -8047,19 +8047,6 @@ mod pools_tests {
         assert!(!should_cleanup_decommission_source_entry(2, 2, 1));
     }
 
-    #[test]
-    fn decommission_free_version_accounting_records_migration_and_retention() {
-        let mut disposition = DecommissionFreeVersionDisposition::default();
-        disposition.record_migrated();
-        disposition.record_retained();
-
-        assert_eq!(disposition.migrated, 1);
-        assert_eq!(disposition.retained, 1);
-        assert_eq!(disposition.total(), 2);
-        assert_eq!(DECOMMISSION_FREE_VERSION_MIGRATED_REASON, "tier_free_version_migrated");
-        assert_eq!(DECOMMISSION_FREE_VERSION_RETAINED_REASON, "tier_free_version_migration_failed");
-    }
-
     #[test]
     fn test_pool_meta_update_after_rejects_out_of_range_index() {
         let mut meta = PoolMeta::default();
diff --git a/docs/architecture/decommission-compatibility.md b/docs/architecture/decommission-compatibility.md
index 6a1e7c98d..f7d22acaa 100644
--- a/docs/architecture/decommission-compatibility.md
+++ b/docs/architecture/decommission-compatibility.md
@@ -234,8 +234,9 @@ report the enclosing object migration result.
 
 Regression guard:
 
-- `decommission_free_version_accounting_records_migration_and_retention`
 - `decommission_tier_free_version_preserves_remote_identity`
+- `decommission_entry_skips_cleanup_only_marker_when_free_version_is_present`
+- `decommission_entry_rejects_subquorum_free_version_conflict_and_retains_source`
 
 ## Regression Guard