diff --git a/contracts/game/manifest_sepolia.json b/contracts/game/manifest_sepolia.json
index dcd054c91..cdb3dd06c 100644
--- a/contracts/game/manifest_sepolia.json
+++ b/contracts/game/manifest_sepolia.json
@@ -2382,7 +2382,7 @@
     },
     {
       "address": "0x5827e314ca954f7eb04127a2a321e5c1f8fa6d51546b8fa6d6b38830f2b6d18",
-      "class_hash": "0x7fb2e9574aa693d81a15f3734dd0a8612ba8d64057b2aef692bd3117118a446",
+      "class_hash": "0x37798122f6085a277eedb203c93fe5ee2fbc99afe7427e4508b79000301dc2c",
       "abi": [
         {
           "type": "impl",
@@ -2995,10 +2995,6 @@
                 {
                   "name": "produced_amount",
                   "type": "core::integer::u128"
-                },
-                {
-                  "name": "labor_amount",
-                  "type": "core::integer::u128"
                 }
               ],
               "outputs": [],
@@ -5405,7 +5401,7 @@
     },
     {
       "address": "0x43b2a3f4e47fa52ef2549162f89258dbcbd23bc62a51d0a331b80039a66bc9b",
-      "class_hash": "0x48a8ae3f6841aed95fb3186cf390db19854c8174fea69fdca19c88fd8c58c63",
+      "class_hash": "0x1829437a65fddf03e8f1322558035b38be8c06a5dd81f6a863a68569364b4cc",
       "abi": [
         {
           "type": "impl",
@@ -6345,7 +6341,7 @@
     },
     {
       "address": "0x47773b52867c0867b40b26408e3ff84fca0b1a9afe55c0cb0fe284c1a18c3d8",
-      "class_hash": "0x72be272c9af1769ad38beaf68495533628fdb4ead0a7879760d17b1f6bab196",
+      "class_hash": "0x580ae58de580e41af4107e2b651ba52fa4ebeb5266568c6658cfa95fdecf48b",
       "abi": [
         {
           "type": "impl",
diff --git a/contracts/game/src/models/config.cairo b/contracts/game/src/models/config.cairo
index a462bfdc1..2e7dc5101 100644
--- a/contracts/game/src/models/config.cairo
+++ b/contracts/game/src/models/config.cairo
@@ -530,7 +530,7 @@ pub struct ProductionConfig {
     resource_type: u8,
     // production amount per tick
     produced_amount: u128,
-    // labor cost amount per tick
+    // todo: remove 
     labor_cost: u128,
 }
 
diff --git a/contracts/game/src/models/resource/production/production.cairo b/contracts/game/src/models/resource/production/production.cairo
index cb7065f3d..fc91e2c0a 100644
--- a/contracts/game/src/models/resource/production/production.cairo
+++ b/contracts/game/src/models/resource/production/production.cairo
@@ -7,7 +7,7 @@ use dojo::world::WorldStorage;
 use s1_eternum::alias::ID;
 use s1_eternum::models::config::{ProductionConfig};
 use s1_eternum::models::config::{TickConfig, TickImpl, TickTrait};
-use s1_eternum::models::resource::resource::{Resource, ResourceImpl, ResourceTypes, ResourceFoodImpl};
+use s1_eternum::models::resource::resource::{Resource, RESOURCE_PRECISION, ResourceImpl, ResourceTypes, ResourceFoodImpl};
 use starknet::get_block_timestamp;
 
 #[derive(IntrospectPacked, Copy, Drop, Serde)]
@@ -52,11 +52,9 @@ impl ProductionImpl of ProductionTrait {
     fn spend_labor_resource(ref self: Production, production_config: @ProductionConfig, labor_amount: u128) {
         assert!(labor_amount.is_non_zero(), "zero labor amount");
         assert!(
-            labor_amount % (*production_config).labor_cost == 0, "labor amount not exactly divisible by labor cost"
+            labor_amount % RESOURCE_PRECISION == 0, "labor amount not exactly divisible by resource precision"
         );
-
-        let additional_labor_units: u64 = (labor_amount / (*production_config).labor_cost).try_into().unwrap();
-        self.increase_labor_units(additional_labor_units);
+        self.increase_labor_units(labor_amount.try_into().unwrap());
     }
 
     #[inline(always)]
diff --git a/contracts/game/src/systems/config/contracts.cairo b/contracts/game/src/systems/config/contracts.cairo
index 883547892..d11795999 100644
--- a/contracts/game/src/systems/config/contracts.cairo
+++ b/contracts/game/src/systems/config/contracts.cairo
@@ -131,7 +131,7 @@ trait IMapConfig<T> {
 
 #[starknet::interface]
 trait IProductionConfig<T> {
-    fn set_production_config(ref self: T, resource_type: u8, produced_amount: u128, labor_amount: u128);
+    fn set_production_config(ref self: T, resource_type: u8, produced_amount: u128);
 }
 
 #[starknet::interface]
@@ -601,14 +601,13 @@ mod config_systems {
     #[abi(embed_v0)]
     impl ProductionConfigImpl of super::IProductionConfig<ContractState> {
         fn set_production_config(
-            ref self: ContractState, resource_type: u8, produced_amount: u128, labor_amount: u128
+            ref self: ContractState, resource_type: u8, produced_amount: u128
         ) {
             let mut world: WorldStorage = self.world(DEFAULT_NS());
             assert_caller_is_admin(world);
 
             let mut resource_production_config: ProductionConfig = world.read_model(resource_type);
             resource_production_config.produced_amount = produced_amount;
-            resource_production_config.labor_cost = labor_amount;
             world.write_model(@resource_production_config);
         }
     }
diff --git a/contracts/game/src/systems/map/map_generation.cairo b/contracts/game/src/systems/map/map_generation.cairo
index 53e7c7c50..71f183c60 100644
--- a/contracts/game/src/systems/map/map_generation.cairo
+++ b/contracts/game/src/systems/map/map_generation.cairo
@@ -153,7 +153,6 @@ mod map_generation_systems {
         }
 
         fn get_shards_reward(ref world: WorldStorage, randomness: u256, mine_entity_id: ID) -> u128 {
-            let shards_production_config: ProductionConfig = world.read_model(ResourceTypes::EARTHEN_SHARD);
             let random_multiplier: u128 = *random::choices(
                 array![1, 2, 3, 4, 5, 6, 7, 8, 9, 10].span(),
                 array![1, 1, 1, 1, 1, 1, 1, 1, 1, 1].span(),
@@ -164,10 +163,7 @@ mod map_generation_systems {
             )[0];
             let min_production_amount: u128 = 100_000 * RESOURCE_PRECISION;
             let actual_production_amount: u128 = min_production_amount * random_multiplier;
-            let mut labor_amount_required: u128 = actual_production_amount / shards_production_config.labor_cost;
-            if actual_production_amount % shards_production_config.labor_cost != 0 {
-                labor_amount_required += 1;
-            }
+            let mut labor_amount_required: u128 = actual_production_amount;
 
             labor_amount_required
         }
diff --git a/contracts/game/src/utils/testing/config.cairo b/contracts/game/src/utils/testing/config.cairo
index 4246d77a1..5d87cda32 100644
--- a/contracts/game/src/utils/testing/config.cairo
+++ b/contracts/game/src/utils/testing/config.cairo
@@ -141,7 +141,7 @@ fn set_battle_config(config_systems_address: ContractAddress) {
 
 fn set_mine_production_config(config_systems_address: ContractAddress) {
     IProductionConfigDispatcher { contract_address: config_systems_address }
-        .set_production_config(ResourceTypes::EARTHEN_SHARD, EARTHEN_SHARD_PRODUCTION_AMOUNT_PER_TICK, array![].span());
+        .set_production_config(ResourceTypes::EARTHEN_SHARD, EARTHEN_SHARD_PRODUCTION_AMOUNT_PER_TICK);
 }
 
 fn set_stamina_config(config_systems_address: ContractAddress) {
diff --git a/packages/core/src/provider/index.ts b/packages/core/src/provider/index.ts
index e01b2037e..cf2b19a6f 100644
--- a/packages/core/src/provider/index.ts
+++ b/packages/core/src/provider/index.ts
@@ -1918,7 +1918,7 @@ export class EternumProvider extends EnhancedDojoProvider {
       return {
         contractAddress: getContractByName(this.manifest, `${NAMESPACE}-config_systems`),
         entrypoint: "set_production_config",
-        calldata: [call.resource_type, call.amount, call.amount],
+        calldata: [call.resource_type, call.amount],
       };
     });