diff --git a/integration_tests/test_client_integrated.py b/integration_tests/test_client_integrated.py
index 9ede85a3..e60b5697 100644
--- a/integration_tests/test_client_integrated.py
+++ b/integration_tests/test_client_integrated.py
@@ -6,10 +6,8 @@
 import sys
 import json
 import numpy as np
-import dill
 from test_data import (render_host, render_port,
                        client_script_location, tilespec_file, tform_file, test_pool_size)
-from pathos.multiprocessing import ProcessingPool as Pool
 import PIL
 
 root = logging.getLogger()
@@ -101,14 +99,15 @@ def test_import_jsonfiles_parallel(
     validate_stack_import(render, stack, tilespecs)
     renderapi.stack.delete_stack(stack, render=render)
 
-
+def square(x):
+    return x**2
 def test_import_jsonfiles_parallel_multiple(
         render, render_example_tilespec_and_transforms, poolsize=test_pool_size):
     stacks = ['testmultiple1', 'testmultiple2', 'testmultiple3']
     mylist = range(10)
     for stack in stacks:
         with renderapi.client.WithPool(poolsize) as pool:
-            results = pool.map(lambda x: x**2, mylist)
+            results = pool.map(square, mylist)
         test_import_jsonfiles_parallel(
             render, render_example_tilespec_and_transforms, stack, poolsize=poolsize)
 
@@ -272,3 +271,4 @@ def test_call_run_ws_client_renderclient(render, teststack):
         render.DEFAULT_PROJECT, teststack) + [zvalues[0]]
     assert not renderapi.client.call_run_ws_client(
         test_class, add_args=args, subprocess_mode='call', renderclient=render)
+
diff --git a/renderapi/client.py b/renderapi/client.py
index 87c16495..710409f1 100755
--- a/renderapi/client.py
+++ b/renderapi/client.py
@@ -13,7 +13,7 @@
 from .utils import NullHandler, renderdump_temp, fitargspec
 from .render import RenderClient, renderaccess, Render, format_preamble, format_baseurl
 from .stack import set_stack_state, make_stack_params
-from pathos.multiprocessing import ProcessingPool as Pool
+from multiprocessing.pool import Pool
 
 # setup logger
 logger = logging.getLogger(__name__)
@@ -77,15 +77,15 @@ def renderclientaccess(f, *args, **kwargs):
 
 
 class WithPool(Pool):
-    """pathos ProcessingPool with functioning __exit__ call
+    """Multiprocessing.pool.Pool with functioning __exit__ call
 
     Parameters
     ----------
     *args
         variable length argument list matching input
-        to pathos.multiprocessing.Pool
+        to multiprocessing.pool.Pool
     **kwargs
-        keyword argument input matching pathos.multiprocessing.Pool
+        keyword argument input matching multiprocessing.pool.Pool
 
     Examples
     --------
@@ -96,8 +96,12 @@ class WithPool(Pool):
     def __init__(self, *args, **kwargs):
         super(WithPool, self).__init__(*args, **kwargs)
 
+    def __enter__(self):
+        return self
+        
     def __exit__(self, *args, **kwargs):
-        super(WithPool, self)._clear()
+        self.close()
+        self.join()
 
 
 @renderclientaccess
@@ -1111,3 +1115,4 @@ def pointMatchClient(stack, collection, tile_pairs,
                        memGB=memGB, client_script=client_script,
                        subprocess_mode=subprocess_mode, add_args=argvs,
                        **kwargs)
+                       
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index f56d3209..27c007c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,5 @@
 requests
 numpy
 pillow
-dill>=0.2.6
-pathos
 sphinxcontrib-napoleon
 decorator