diff --git a/.github/workflows/mutants.yml b/.github/workflows/mutants.yml
index 1c8e70c..44bdd25 100644
--- a/.github/workflows/mutants.yml
+++ b/.github/workflows/mutants.yml
@@ -107,7 +107,7 @@ jobs:
           fi
 
   # ── Plane B: mutate LEZ protocol code, oracle = corpus regression ─────────
-  # Each mutant: rebuild nssa/common + replay all 15 fuzz corpora (-runs=0).
+  # Each mutant: rebuild nssa/common + replay all 20 fuzz corpora (-runs=0).
   # Surviving mutants = protocol bugs the committed corpus has never caught.
   # Runs on schedule (weekly Monday) or manual workflow_dispatch only.
   mutants-protocol:
@@ -149,8 +149,9 @@ jobs:
       - name: Make corpus-regression wrapper executable
         run: chmod +x scripts/mutants-corpus-test.sh
 
-      # Build all 15 fuzz targets once before the mutation loop so that each
+      # Build all 20 fuzz targets once before the mutation loop so that each
       # mutant only needs to rebuild the mutated crate, not the fuzz harness.
+      # Keep this list in sync with scripts/mutants-corpus-test.sh.
       - name: Pre-build fuzz targets
         run: |
           for target in \
@@ -161,7 +162,9 @@ jobs:
             fuzz_validate_execute_consistency fuzz_state_serialization \
             fuzz_witness_set_verification fuzz_program_deployment_lifecycle \
             fuzz_apply_state_diff_split_path fuzz_multi_block_state_sequence \
-            fuzz_sequencer_vs_replayer; do
+            fuzz_sequencer_vs_replayer fuzz_merkle_tree \
+            fuzz_transaction_properties fuzz_privacy_preserving_witness \
+            fuzz_encoding_privacy_preserving fuzz_nullifier_set_roundtrip; do
             cargo fuzz build "${target}"
           done
 
diff --git a/corpus/libfuzz/fuzz_genesis_invariants/seed b/corpus/libfuzz/fuzz_genesis_invariants/seed
deleted file mode 100644
index f76dd23..0000000
Binary files a/corpus/libfuzz/fuzz_genesis_invariants/seed and /dev/null differ