diff --git a/solidity/contracts/BitcoinRedeemer.sol b/solidity/contracts/BitcoinRedeemer.sol
index 159a81dfd..f0c38b07f 100644
--- a/solidity/contracts/BitcoinRedeemer.sol
+++ b/solidity/contracts/BitcoinRedeemer.sol
@@ -46,9 +46,6 @@ contract BitcoinRedeemer is Ownable2StepUpgradeable, IReceiveApproval {
     /// Reverts if the TBTCVault address is zero.
     error TbtcVaultZeroAddress();
 
-    /// Attempted to call receiveApproval for not supported token.
-    error UnsupportedToken(address token);
-
     /// Attempted to call receiveApproval by supported token.
     error CallerNotAllowed(address caller);
 
@@ -96,18 +93,16 @@ contract BitcoinRedeemer is Ownable2StepUpgradeable, IReceiveApproval {
     /// @notice Redeems shares for tBTC and requests bridging to Bitcoin.
     /// @param from Shares token holder executing redemption.
     /// @param amount Amount of shares to redeem.
-    /// @param token stBTC token address.
     /// @param extraData Redemption data in a format expected from
     ///        `redemptionData` parameter of Bridge's `receiveBalanceApproval`
     ///        function.
     function receiveApproval(
         address from,
         uint256 amount,
-        address token,
+        address,
         bytes calldata extraData
     ) external {
-        if (token != address(stbtc)) revert UnsupportedToken(token);
-        if (msg.sender != token) revert CallerNotAllowed(msg.sender);
+        if (msg.sender != address(stbtc)) revert CallerNotAllowed(msg.sender);
         if (extraData.length == 0) revert EmptyExtraData();
 
         redeemSharesAndUnmint(from, amount, extraData);
diff --git a/solidity/test/BitcoinDepositor.test.ts b/solidity/test/BitcoinDepositor.test.ts
index 4cfb80283..ec5ec7d4d 100644
--- a/solidity/test/BitcoinDepositor.test.ts
+++ b/solidity/test/BitcoinDepositor.test.ts
@@ -748,7 +748,7 @@ describe("BitcoinDepositor", () => {
     extraDataValidTestData.forEach(
       (
         {
-          depositOwner: expoectedDepositOwner,
+          depositOwner: expectedDepositOwner,
           referral: expectedReferral,
           extraData,
         },
@@ -759,7 +759,7 @@ describe("BitcoinDepositor", () => {
             await bitcoinDepositor.decodeExtraData(extraData)
 
           expect(actualDepositOwner, "invalid depositOwner").to.be.equal(
-            expoectedDepositOwner,
+            expectedDepositOwner,
           )
           expect(actualReferral, "invalid referral").to.be.equal(
             expectedReferral,
diff --git a/solidity/test/BitcoinRedeemer.test.ts b/solidity/test/BitcoinRedeemer.test.ts
index 396391945..bdd06f226 100644
--- a/solidity/test/BitcoinRedeemer.test.ts
+++ b/solidity/test/BitcoinRedeemer.test.ts
@@ -63,7 +63,7 @@ describe("BitcoinRedeemer", () => {
               depositor.address,
               encodeBytes32String(""),
             ),
-        ).to.be.revertedWithCustomError(bitcoinRedeemer, "UnsupportedToken")
+        ).to.be.revertedWithCustomError(bitcoinRedeemer, "CallerNotAllowed")
       })
     })