diff --git a/packages/massa-web3/src/web3/SmartContractsClient.ts b/packages/massa-web3/src/web3/SmartContractsClient.ts
index 87ed9d24..eb128fed 100644
--- a/packages/massa-web3/src/web3/SmartContractsClient.ts
+++ b/packages/massa-web3/src/web3/SmartContractsClient.ts
@@ -188,8 +188,6 @@ export class SmartContractsClient
       )
     }
 
-    const minimalFees = await this.publicApiClient.getMinimalFees()
-
     const data = {
       max_gas:
         readData.maxGas === null || readData.maxGas === undefined
@@ -209,7 +207,7 @@ export class SmartContractsClient
         : undefined,
       fee: readData.fee
         ? toMAS(readData.fee).toFixed(MASSA_SCALING_FACTOR)
-        : toMAS(minimalFees).toFixed(MASSA_SCALING_FACTOR),
+        : undefined,
     }
 
     // returns operation ids
diff --git a/packages/massa-web3/test/web3/smartContractsClient.spec.ts b/packages/massa-web3/test/web3/smartContractsClient.spec.ts
index 4e78d383..f6d69d7d 100644
--- a/packages/massa-web3/test/web3/smartContractsClient.spec.ts
+++ b/packages/massa-web3/test/web3/smartContractsClient.spec.ts
@@ -77,9 +77,6 @@ describe('SmartContractsClient', () => {
     mockPublicApiClient.getNodeStatus = jest
       .fn()
       .mockResolvedValue(mockNodeStatusInfo)
-
-    // Mock the getMinimalFees function
-    mockPublicApiClient.getMinimalFees = jest.fn().mockResolvedValue(BigInt(0))
     // Mock the getBaseAccount function
     mockWalletClient.getBaseAccount = jest
       .fn()