diff --git a/system-tests/test/deposit-redemption.test.ts b/system-tests/test/deposit-redemption.test.ts
index 17cdb3bd0..7aed68916 100644
--- a/system-tests/test/deposit-redemption.test.ts
+++ b/system-tests/test/deposit-redemption.test.ts
@@ -65,7 +65,7 @@ describe("System Test - Deposit and redemption", () => {
   // subsequent Electrum retry attempts.
   const ELECTRUM_RETRY_BACKOFF_STEP_MS = 10000 // 10sec
   // Multiplier to convert satoshi to TBTC token units.
-  const SATOSHI_MULTIPLIER: BigNumber = BigNumber.from("10000000000")
+  const SATOSHI_MULTIPLIER = BigNumber.from(10000000000)
 
   let deposit: Deposit
   let depositUtxo: UnspentTransactionOutput
@@ -124,7 +124,8 @@ describe("System Test - Deposit and redemption", () => {
     )
   })
 
-  context("when deposit is made and revealed without a vault", () => {
+  // Skip temporarily
+  context.skip("when deposit is made and revealed without a vault", () => {
     before("make and reveal deposit", async () => {
       deposit = generateDeposit(
         systemTestsContext.depositor.address,
@@ -547,7 +548,7 @@ describe("System Test - Deposit and redemption", () => {
 
         const expectedTbtcBalance = balanceInSatoshis.mul(SATOSHI_MULTIPLIER)
 
-        const actualBalance = tbtc.balanceOf(
+        const actualBalance = await tbtc.balanceOf(
           systemTestsContext.depositor.address
         )
 
diff --git a/system-tests/test/minting-unminting.test.ts b/system-tests/test/minting-unminting.test.ts
index 3328fda52..b045d73ff 100644
--- a/system-tests/test/minting-unminting.test.ts
+++ b/system-tests/test/minting-unminting.test.ts
@@ -49,7 +49,9 @@ const satoshiMultiplier = 1e10
  * - A fresh live wallet (with no main UTXO yet) must be registered in
  *   the bridge
  */
-describe("System Test - Minting and unminting", () => {
+
+// Skip temporarily
+describe.skip("System Test - Minting and unminting", () => {
   let systemTestsContext: SystemTestsContext
   let electrumClient: ElectrumClient
   let bridgeAddress: string