diff --git a/etc/env/base/chain.toml b/etc/env/base/chain.toml
index 89767d3c7e6..f8d04efea46 100644
--- a/etc/env/base/chain.toml
+++ b/etc/env/base/chain.toml
@@ -52,34 +52,30 @@ minimal_l2_gas_price = 100000000
 # The constant that represents the possibility that a batch can be sealed because of overuse of computation resources.
 # It has range from 0 to 1. If it is 0, the compute will not depend on the cost for closing the batch.
 # If it is 1, the gas limit per batch will have to cover the entire cost of closing the batch.
-# compute_overhead_part=1.0
 compute_overhead_part = 0.0
 
 # The constant that represents the possibility that a batch can be sealed because of overuse of pubdata.
 # It has range from 0 to 1. If it is 0, the pubdata will not depend on the cost for closing the batch.
 # If it is 1, the pubdata limit per batch will have to cover the entire cost of closing the batch.
-# pubdata_overhead_part=1.0
-pubdata_overhead_part = 0
+pubdata_overhead_part = 1.0
 
 # The constant amount of L1 gas that is used as the overhead for the batch. It includes the price for batch verification, etc.
-# batch_overhead_l1_gas=800000
-batch_overhead_l1_gas = 1000000
+batch_overhead_l1_gas = 800000
 
 # The maximum amount of gas that can be used by the batch. This value is derived from the circuits limitation per batch.
 max_gas_per_batch = 200000000
 
 # The maximum amount of pubdata that can be used by the batch. Note that if the calldata is used as pubdata, this variable should not exceed 128kb.
-# max_pubdata_per_batch=100000
-max_pubdata_per_batch = 1000000000000
+max_pubdata_per_batch = 100000
 
-# The version of the fee model to use.
+# The version of the fee model to use. 
 # - `V1`, the first model that was used in zkSync Era. In this fee model, the pubdata price must be pegged to the L1 gas price.
 # Also, the fair L2 gas price is expected to only include the proving/computation price for the operator and not the costs that come from
 # processing the batch on L1.
 # - `V2`, the second model that was used in zkSync Era. There the pubdata price might be independent from the L1 gas price. Also,
 # The fair L2 gas price is expected to both the proving/computation price for the operator and the costs that come from
 # processing the batch on L1.
-fee_model_version = "V2"
+fee_model_version = "V1"
 
 # Max number of computational gas that validation step is allowed to take.
 validation_computational_gas_limit = 300000
diff --git a/etc/env/base/eth_sender.toml b/etc/env/base/eth_sender.toml
index 744b2d665ef..0b8a961d496 100644
--- a/etc/env/base/eth_sender.toml
+++ b/etc/env/base/eth_sender.toml
@@ -62,4 +62,3 @@ pricing_formula_parameter_b = 1.0005
 internal_l1_pricing_multiplier = 0.8
 # Node polling period in seconds.
 poll_period = 5
-internal_enforced_l1_gas_price = 45_000_000_000