diff --git a/src/ae/contract.js b/src/ae/contract.js
index 481eb68424..7c3035d17e 100644
--- a/src/ae/contract.js
+++ b/src/ae/contract.js
@@ -468,7 +468,7 @@ export const ContractAPI = Ae.compose(ContractBase, ContractACI, {
     Ae: {
       defaults: {
         deposit: DEPOSIT,
-        gasPrice: MIN_GAS_PRICE, // min gasPrice 1e9
+        gasPrice: MIN_GAS_PRICE,
         amount: AMOUNT,
         gas: GAS
       }
diff --git a/src/contract/aci/index.js b/src/contract/aci/index.js
index 3b618ca30f..ed05914004 100644
--- a/src/contract/aci/index.js
+++ b/src/contract/aci/index.js
@@ -68,7 +68,7 @@ async function getContractInstance (source, { aci, contractAddress, filesystem =
     skipTransformDecoded: false,
     callStatic: false,
     deposit: DEPOSIT,
-    gasPrice: MIN_GAS_PRICE, // min gasPrice 1e9
+    gasPrice: MIN_GAS_PRICE,
     amount: AMOUNT,
     gas: GAS,
     waitMined: true,
diff --git a/src/tx/builder/schema.js b/src/tx/builder/schema.js
index 7e6b09fc45..754bbf73e9 100644
--- a/src/tx/builder/schema.js
+++ b/src/tx/builder/schema.js
@@ -23,7 +23,7 @@ export const RESPONSE_TTL = { type: 'delta', value: 10 }
 export const DEPOSIT = 0
 export const AMOUNT = 0
 export const GAS = 1600000 - 21000
-export const MIN_GAS_PRICE = 1000000000 // min gasPrice 1e9
+export const MIN_GAS_PRICE = 1e9
 export const MAX_AUTH_FUN_GAS = 50000
 export const DRY_RUN_ACCOUNT = { pub: 'ak_11111111111111111111111111111111273Yts', amount: '100000000000000000000000000000000000' }
 // # AENS