diff --git a/js/waves.ui.js b/js/waves.ui.js
index df2e7ae876..11d1aac423 100644
--- a/js/waves.ui.js
+++ b/js/waves.ui.js
@@ -547,8 +547,7 @@ var Waves = (function(Waves, $, undefined) {
         }
     });
     $.validator.addMethod('address', function(value, element){
-        return this.optional(element) || Waves.Addressing.validateDisplayAddress(value) ||
-            Waves.Addressing.validateRawAddress(value);
+        return this.optional(element) || Waves.Addressing.validateDisplayAddress(value);
     }, "Account number must be a sequence of 35 alphanumeric characters with no spaces, optionally starting with '1W'");
     $.validator.addMethod('decimal', function(value, element) {
         return this.optional(element) || /^(?:-?\d+)?(?:\.\d+)?$/.test(value);
diff --git a/js/waves.ui.wallet.js b/js/waves.ui.wallet.js
index 4fc226e154..4d34f09e68 100644
--- a/js/waves.ui.wallet.js
+++ b/js/waves.ui.wallet.js
@@ -106,7 +106,7 @@ var Waves = (function(Waves, $, undefined) {
         maxSend = maxSend / Math.pow(10,8);
         var sendAmount = Number($("#wavessendamount").val().replace(/\s+/g, ''));
 
-        if(sendAmount > maxSend) {
+        if (sendAmount > maxSend) {
             $.growl.error({ message: 'Error: Not enough funds' });
             return;
         }
@@ -118,16 +118,8 @@ var Waves = (function(Waves, $, undefined) {
         var senderPublic = Base58.decode(Waves.publicKey);
         var senderPrivate = Base58.decode(Waves.privateKey);
         var addressText = $("#wavesrecipient").val().replace(/\s+/g, '');
-        var recipient = undefined;
-        if (Waves.Addressing.validateDisplayAddress(addressText))
-            recipient = Waves.Addressing.fromDisplayAddress(addressText);
-        else if (Waves.Addressing.validateRawAddress(addressText))
-            recipient = Waves.Addressing.fromRawAddress(addressText);
-        else {
-            // we shouldn't see this message, because form is validated
-            $.growl.error({ message: 'Unknown address format' });
-            return;
-        }
+        // validate display address knows that the address prefix is optional
+        var recipient = Waves.Addressing.fromDisplayAddress(addressText);
 
         var wavesTime = Number(Waves.getTime());
 
@@ -138,11 +130,6 @@ var Waves = (function(Waves, $, undefined) {
 
         //var verify = Waves.curve25519.verify(senderPublic, signatureData, Base58.decode(signature));
 
-        if(sendAmount > maxSend) {
-            $.growl.error({ message: 'Error: Not enough funds' });
-            return;
-        }
-
         var data = {
           "recipient": recipient.getRawAddress(),
           "timestamp": wavesTime,