diff --git a/blend/generate_inputs_for_poq.py b/blend/generate_inputs_for_poq.py
index 4d94a2a..c364be6 100644
--- a/blend/generate_inputs_for_poq.py
+++ b/blend/generate_inputs_for_poq.py
@@ -206,14 +206,13 @@ def PoseidonSponge(data, capacity, output_len):
 # ———————————————————————
 # Main
 # ———————————————————————
-if len(sys.argv) != 5:
-    print("Usage: python3 generate_inputs_for_poq.py <session> <core_quota> <leader_quota> <core (0) or leader (1)>")
+if len(sys.argv) != 4:
+    print("Usage: python3 generate_inputs_for_poq.py <core_quota> <leader_quota> <core (0) or leader (1)>")
     sys.exit(1)
 
-session   = int(sys.argv[1])
-Qc        = int(sys.argv[2])
-Ql        = int(sys.argv[3])
-core_or_leader = int(sys.argv[4])
+Qc        = int(sys.argv[1])
+Ql        = int(sys.argv[2])
+core_or_leader = int(sys.argv[3])
 if not core_or_leader in [0,1]:
     print("core or leader must be 0 or 1")
     sys.exit(1)
@@ -280,7 +279,6 @@ K_two = F(654321)
 
 # 5) Assemble JSON
 inp = {
-  "session":          str(session),
   "core_quota":               str(Qc),
   "leader_quota":               str(Ql),
   "core_root":          str(core_root),
diff --git a/blend/poq.circom b/blend/poq.circom
index ba2d9c9..79b19fd 100644
--- a/blend/poq.circom
+++ b/blend/poq.circom
@@ -17,7 +17,6 @@ include "../ledger/notes.circom";
  */
 template ProofOfQuota(nLevelsPK, nLevelsPol, bitsQuota) {
     // Public Inputs
-    signal input session;       // session s
     signal input core_quota;
     signal input leader_quota;
     signal input core_root;
@@ -115,7 +114,7 @@ template ProofOfQuota(nLevelsPK, nLevelsPol, bitsQuota) {
     // choose core_sk or pol.secret_key:
     selection_randomness.inp[1] <== selector * (would_win.secret_key - core_sk ) + core_sk;
     selection_randomness.inp[2] <== index;
-    selection_randomness.inp[3] <== selector * (would_win.slot - session) + session;
+    selection_randomness.inp[3] <== selector * (would_win.slot - pol_epoch_nonce) + pol_epoch_nonce;
 
 
     // Derive key_nullifier
@@ -127,5 +126,5 @@ template ProofOfQuota(nLevelsPK, nLevelsPol, bitsQuota) {
 }
 
 // Instantiate with chosen depths: 20 for core PK tree, 25 for PoL secret slot tree
-component main { public [ session, core_quota, leader_quota, core_root, K_part_one, K_part_two, pol_epoch_nonce, pol_t0, pol_t1, pol_ledger_aged ] }
+component main { public [ core_quota, leader_quota, core_root, K_part_one, K_part_two, pol_epoch_nonce, pol_t0, pol_t1, pol_ledger_aged ] }
     = ProofOfQuota(20, 25, 20);