diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
index 35e88385f..e00bbdbc5 100644
--- a/gui/qt/main_window.py
+++ b/gui/qt/main_window.py
@@ -42,7 +42,7 @@ from electrum.util import bh2u, bfh
 from . import icons_rc
 
 from electrum import keystore
-from electrum.bitcoin import COIN, is_valid, TYPE_ADDRESS
+from electrum.bitcoin import COIN, is_address, TYPE_ADDRESS
 from electrum.plugins import run_hook
 from electrum.i18n import _
 from electrum.util import (format_time, format_satoshis, PrintError,
@@ -1619,7 +1619,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
             self.payto_e.setFocus()
 
     def set_contact(self, label, address):
-        if not is_valid(address):
+        if not is_address(address):
             self.show_error(_('Invalid Address'))
             self.contact_list.update()  # Displays original unchanged value
             return False
diff --git a/gui/stdio.py b/gui/stdio.py
index 3858696c9..f08d4e270 100644
--- a/gui/stdio.py
+++ b/gui/stdio.py
@@ -9,7 +9,7 @@ _ = lambda x:x
 #from i18n import _
 from electrum import WalletStorage, Wallet
 from electrum.util import format_satoshis, set_verbosity
-from electrum.bitcoin import is_valid, COIN, TYPE_ADDRESS
+from electrum.bitcoin import is_address, COIN, TYPE_ADDRESS
 from electrum.network import filter_protocol
 import sys, getpass, datetime
 
@@ -169,7 +169,7 @@ class ElectrumGui:
         while self.done == 0: self.main_command()
 
     def do_send(self):
-        if not is_valid(self.str_recipient):
+        if not is_address(self.str_recipient):
             print(_('Invalid Bitcoin address'))
             return
         try:
diff --git a/gui/text.py b/gui/text.py
index 2a1528e76..c10a219bb 100644
--- a/gui/text.py
+++ b/gui/text.py
@@ -10,7 +10,7 @@ from decimal import Decimal
 import getpass
 
 from electrum.util import format_satoshis, set_verbosity
-from electrum.bitcoin import is_valid, COIN, TYPE_ADDRESS
+from electrum.bitcoin import is_address, COIN, TYPE_ADDRESS
 from electrum import Wallet, WalletStorage
 
 _ = lambda x:x
@@ -320,7 +320,7 @@ class ElectrumGui:
         self.str_description = ''
 
     def do_send(self):
-        if not is_valid(self.str_recipient):
+        if not is_address(self.str_recipient):
             self.show_message(_('Invalid Bitcoin address'))
             return
         try:
diff --git a/lib/bitcoin.py b/lib/bitcoin.py
index 0f4db57c2..7a0766d68 100644
--- a/lib/bitcoin.py
+++ b/lib/bitcoin.py
@@ -476,11 +476,6 @@ def address_from_private_key(sec):
     address = public_key_to_p2pkh(bfh(public_key))
     return address
 
-
-def is_valid(addr):
-    return is_address(addr)
-
-
 def is_address(addr):
     try:
         addrtype, h = bc_address_to_hash_160(addr)