diff --git a/asv_bench/benchmarks/binary_ops.py b/asv_bench/benchmarks/binary_ops.py
index 0ca21b929ea17..429965c06cb48 100644
--- a/asv_bench/benchmarks/binary_ops.py
+++ b/asv_bench/benchmarks/binary_ops.py
@@ -1,4 +1,5 @@
-from .pandas_vb_common import *
+import numpy as np
+from pandas import DataFrame, Series, date_range
 try:
     import pandas.core.computation.expressions as expr
 except ImportError:
@@ -6,12 +7,14 @@
 
 
 class Ops(object):
+
     goal_time = 0.2
 
     params = [[True, False], ['default', 1]]
     param_names = ['use_numexpr', 'threads']
 
     def setup(self, use_numexpr, threads):
+        np.random.seed(1234)
         self.df = DataFrame(np.random.randn(20000, 100))
         self.df2 = DataFrame(np.random.randn(20000, 100))
 
@@ -20,18 +23,17 @@ def setup(self, use_numexpr, threads):
         if not use_numexpr:
             expr.set_use_numexpr(False)
 
-
     def time_frame_add(self, use_numexpr, threads):
-        (self.df + self.df2)
+        self.df + self.df2
 
     def time_frame_mult(self, use_numexpr, threads):
-        (self.df * self.df2)
+        self.df * self.df2
 
     def time_frame_multi_and(self, use_numexpr, threads):
-        self.df[((self.df > 0) & (self.df2 > 0))]
+        self.df[(self.df > 0) & (self.df2 > 0)]
 
     def time_frame_comparison(self, use_numexpr, threads):
-        (self.df > self.df2)
+        self.df > self.df2
 
     def teardown(self, use_numexpr, threads):
         expr.set_use_numexpr(True)
@@ -39,75 +41,70 @@ def teardown(self, use_numexpr, threads):
 
 
 class Ops2(object):
+
     goal_time = 0.2
 
     def setup(self):
-        self.df = DataFrame(np.random.randn(1000, 1000))
-        self.df2 = DataFrame(np.random.randn(1000, 1000))
+        N = 10**3
+        np.random.seed(1234)
+        self.df = DataFrame(np.random.randn(N, N))
+        self.df2 = DataFrame(np.random.randn(N, N))
 
-        self.df_int = DataFrame(
-            np.random.random_integers(np.iinfo(np.int16).min,
-                                      np.iinfo(np.int16).max,
-                                      size=(1000, 1000)))
-        self.df2_int = DataFrame(
-            np.random.random_integers(np.iinfo(np.int16).min,
-                                      np.iinfo(np.int16).max,
-                                      size=(1000, 1000)))
+        self.df_int = DataFrame(np.random.randint(np.iinfo(np.int16).min,
+                                                  np.iinfo(np.int16).max,
+                                                  size=(N, N)))
+        self.df2_int = DataFrame(np.random.randint(np.iinfo(np.int16).min,
+                                                   np.iinfo(np.int16).max,
+                                                   size=(N, N)))
 
-    ## Division
+    # Division
 
     def time_frame_float_div(self):
-        (self.df // self.df2)
+        self.df // self.df2
 
     def time_frame_float_div_by_zero(self):
-        (self.df / 0)
+        self.df / 0
 
     def time_frame_float_floor_by_zero(self):
-        (self.df // 0)
+        self.df // 0
 
     def time_frame_int_div_by_zero(self):
-        (self.df_int / 0)
+        self.df_int / 0
 
-    ## Modulo
+    # Modulo
 
     def time_frame_int_mod(self):
-        (self.df / self.df2)
+        self.df_int % self.df2_int
 
     def time_frame_float_mod(self):
-        (self.df / self.df2)
+        self.df % self.df2
 
 
 class Timeseries(object):
+
     goal_time = 0.2
 
-    def setup(self):
-        self.N = 1000000
+    params = [None, 'US/Eastern']
+    param_names = ['tz']
+
+    def setup(self, tz):
+        self.N = 10**6
         self.halfway = ((self.N // 2) - 1)
-        self.s = Series(date_range('20010101', periods=self.N, freq='T'))
+        self.s = Series(date_range('20010101', periods=self.N, freq='T',
+                                   tz=tz))
         self.ts = self.s[self.halfway]
 
-        self.s2 = Series(date_range('20010101', periods=self.N, freq='s'))
+        self.s2 = Series(date_range('20010101', periods=self.N, freq='s',
+                                    tz=tz))
 
-    def time_series_timestamp_compare(self):
-        (self.s <= self.ts)
+    def time_series_timestamp_compare(self, tz):
+        self.s <= self.ts
 
-    def time_timestamp_series_compare(self):
-        (self.ts >= self.s)
+    def time_timestamp_series_compare(self, tz):
+        self.ts >= self.s
 
-    def time_timestamp_ops_diff1(self):
+    def time_timestamp_ops_diff(self, tz):
         self.s2.diff()
 
-    def time_timestamp_ops_diff2(self):
-        (self.s - self.s.shift())
-
-
-
-class TimeseriesTZ(Timeseries):
-
-    def setup(self):
-        self.N = 1000000
-        self.halfway = ((self.N // 2) - 1)
-        self.s = Series(date_range('20010101', periods=self.N, freq='T', tz='US/Eastern'))
-        self.ts = self.s[self.halfway]
-
-        self.s2 = Series(date_range('20010101', periods=self.N, freq='s',  tz='US/Eastern'))
+    def time_timestamp_ops_diff_with_shift(self, tz):
+        self.s - self.s.shift()