diff --git a/gracedb/core/utils.py b/gracedb/core/utils.py
index 40fe4e781b345798815dbc919ec7ace070692d48..0c629ea0eaff4398c481e3ae16588ed9139d6b68 100644
--- a/gracedb/core/utils.py
+++ b/gracedb/core/utils.py
@@ -19,7 +19,7 @@ def int_to_letters(num, positive_only=True):
     """
 
     # Argument checking
-    if not isinstance(num, (int, long)):
+    if not isinstance(num, int):
         # Coerce to int
         logger.warning('Coercing argument of type {0} to int'.format(
             type(num)))
diff --git a/gracedb/events/templatetags/timeutil.py b/gracedb/events/templatetags/timeutil.py
index dc72a5c95f57176622db1e47680bd00567f1255e..95fdf8b6251d83c77454e77419a1e55e824becb2 100644
--- a/gracedb/events/templatetags/timeutil.py
+++ b/gracedb/events/templatetags/timeutil.py
@@ -53,7 +53,7 @@ def get_multitime_value(t, label, autoescape, format):
         dt = dt.astimezone(SERVER_TZ)
         posix_time = time.mktime(dt.timetuple())
         gps_time = int(posixToGpsTime(posix_time))
-    elif isinstance(t, int) or isinstance(t, long):
+    elif isinstance(t, int):
         gps_time = t
         dt = gpsToUtc(t)
         # Note: must convert to server timezone before calling mktime
@@ -66,7 +66,7 @@ def get_multitime_value(t, label, autoescape, format):
         return "N/A"
         return '<time utc="%s" gps="%s" llo="%s" lho="%s" virgo="%s" jsparsable="%s"%s>%s</time>' % \
             8*("N/A",)
-        # raise ValueError("time must be type int, long or datetime, not '%s'" % type(t))
+        # raise ValueError("time must be type int or datetime, not '%s'" % type(t))
 
     # JavaScript -- parsable by Date() object constructor
     # "Jan 2, 1985 00:00:00 UTC"
@@ -167,7 +167,7 @@ def timeSelections(t):
         dt = dt.astimezone(SERVER_TZ)
         posix_time = time.mktime(dt.timetuple())
         gps_time = int(posixToGpsTime(posix_time))
-    elif isinstance(t, int) or isinstance(t, long):
+    elif isinstance(t, int):
         gps_time = t
         dt = gpsToUtc(t)
         posix_time = time.mktime(dt.astimezone(SERVER_TZ).timetuple())
@@ -176,7 +176,7 @@ def timeSelections(t):
         dt = gpsToUtc(t)
         posix_time = time.mktime(dt.astimezone(SERVER_TZ).timetuple())
     else:
-        raise ValueError("time must be type int, long or datetime, not '%s'" % type(t))
+        raise ValueError("time must be type int or datetime, not '%s'" % type(t))
 
     # JavaScript -- parsable by Date() object constructor
     # "Jan 2, 1985 00:00:00 UTC"
diff --git a/gracedb/events/views.py b/gracedb/events/views.py
index 7a981ddef472463e425bcf572b03a9b4d0532055..c79206a1ba660825433d97d16f538f4eb337f65f 100644
--- a/gracedb/events/views.py
+++ b/gracedb/events/views.py
@@ -323,13 +323,13 @@ def logentry(request, event, num=None):
 def neighbors(request, event, delta1, delta2=None):
     context = {}
     try:
-        delta1 = long(delta1)
+        delta1 = int(delta1)
 
         if delta2 is None:
             delta2 = delta1
             delta1 = -delta1
         else:
-            delta2 = long(delta2)
+            delta2 = int(delta2)
 
     except ValueError: pass
     except: pass