diff --git a/spartan/environments/devnet.env b/spartan/environments/devnet.env
index 92225d10c947..0f3a14132901 100644
--- a/spartan/environments/devnet.env
+++ b/spartan/environments/devnet.env
@@ -40,8 +40,8 @@ AZTEC_LAG_IN_EPOCHS_FOR_VALIDATOR_SET=1
 AZTEC_LAG_IN_EPOCHS_FOR_RANDAO=1
 AZTEC_SLOT_DURATION=36
 AZTEC_EPOCH_DURATION=8
-TEST_ACCOUNTS=true
-SPONSORED_FPC=true
+TEST_ACCOUNTS=false
+SPONSORED_FPC=false
 FLUSH_ENTRY_QUEUE=true
 
 VALIDATOR_REPLICAS=1
@@ -54,6 +54,9 @@ VALIDATOR_INDICES=$(seq -s ',' $VALIDATOR_MNEMONIC_START_INDEX $((VALIDATOR_MNEM
 VALIDATOR_PUBLISHER_MNEMONIC_START_INDEX=$((5000 + MNEMONIC_INDEX_OFFSET))
 VALIDATOR_PUBLISHERS_PER_REPLICA=8
 PUBLISHERS_PER_VALIDATOR_KEY=1
+
+SEQ_L1_PUBLISHING_TIME_ALLOWANCE_IN_SLOT=12                                                                  
+SEQ_BLOCK_DURATION_MS=6000                                                                                   
 SEQ_MIN_TX_PER_BLOCK=1
 SEQ_MAX_TX_PER_BLOCK=32