diff --git a/Example/WalletApp/PresentationLayer/Wallet/SessionProposal/SessionProposalInteractor.swift b/Example/WalletApp/PresentationLayer/Wallet/SessionProposal/SessionProposalInteractor.swift
index 34c0f9880..ece832c35 100644
--- a/Example/WalletApp/PresentationLayer/Wallet/SessionProposal/SessionProposalInteractor.swift
+++ b/Example/WalletApp/PresentationLayer/Wallet/SessionProposal/SessionProposalInteractor.swift
@@ -11,7 +11,7 @@ final class SessionProposalInteractor {
         
         let supportedRequiredChains = proposal.requiredNamespaces["eip155"]?.chains
         let supportedOptionalChains = proposal.optionalNamespaces?["eip155"]?.chains ?? []
-        let supportedChains = supportedRequiredChains?.union(supportedOptionalChains) ?? []
+        let supportedChains = (supportedRequiredChains ?? []).union(supportedOptionalChains) ?? []
         
         let supportedAccounts = Array(supportedChains).map { Account(blockchain: $0, address: account.address)! }
         
diff --git a/Sources/Web3Wallet/Web3WalletDecryptionService.swift b/Sources/Web3Wallet/Web3WalletDecryptionService.swift
index e4786129f..88b355b3b 100644
--- a/Sources/Web3Wallet/Web3WalletDecryptionService.swift
+++ b/Sources/Web3Wallet/Web3WalletDecryptionService.swift
@@ -1,5 +1,4 @@
 import Foundation
-import WalletConnectSign
 
 public final class Web3WalletDecryptionService {
     enum Errors: Error {