diff --git a/server/integration_test.go b/server/integration_test.go
index e29854e..5332804 100644
--- a/server/integration_test.go
+++ b/server/integration_test.go
@@ -138,7 +138,6 @@ func TestIntegrationWalletUpdates(t *testing.T) {
 		PathWallet,
 		&walletResponse,
 		fmt.Sprintf(`{
-      "version": 1,
       "token": "%s",
       "encryptedWallet": "my-encrypted-wallet-1",
       "sequence": 1,
@@ -149,7 +148,6 @@ func TestIntegrationWalletUpdates(t *testing.T) {
 	checkStatusCode(t, statusCode, responseBody)
 
 	expectedResponse := WalletResponse{
-		Version:         1,
 		EncryptedWallet: wallet.EncryptedWallet("my-encrypted-wallet-1"),
 		Sequence:        wallet.Sequence(1),
 		Hmac:            wallet.WalletHmac("my-hmac-1"),
@@ -190,7 +188,6 @@ func TestIntegrationWalletUpdates(t *testing.T) {
 		PathWallet,
 		&walletResponse,
 		fmt.Sprintf(`{
-      "version": 1,
       "token": "%s",
       "encryptedWallet": "my-encrypted-wallet-2",
       "sequence": 2,
@@ -201,7 +198,6 @@ func TestIntegrationWalletUpdates(t *testing.T) {
 	checkStatusCode(t, statusCode, responseBody)
 
 	expectedResponse = WalletResponse{
-		Version:         1,
 		EncryptedWallet: wallet.EncryptedWallet("my-encrypted-wallet-2"),
 		Sequence:        wallet.Sequence(2),
 		Hmac:            wallet.WalletHmac("my-hmac-2"),
diff --git a/server/wallet.go b/server/wallet.go
index 4bbeb25..3c4d281 100644
--- a/server/wallet.go
+++ b/server/wallet.go
@@ -10,7 +10,6 @@ import (
 )
 
 type WalletRequest struct {
-	Version         int                    `json:"version"`
 	Token           auth.TokenString       `json:"token"`
 	EncryptedWallet wallet.EncryptedWallet `json:"encryptedWallet"`
 	Sequence        wallet.Sequence        `json:"sequence"`
@@ -25,7 +24,6 @@ func (r *WalletRequest) validate() bool {
 }
 
 type WalletResponse struct {
-	Version         int                    `json:"version"`
 	EncryptedWallet wallet.EncryptedWallet `json:"encryptedWallet"`
 	Sequence        wallet.Sequence        `json:"sequence"`
 	Hmac            wallet.WalletHmac      `json:"hmac"`