diff --git a/science_access/crawl.py b/science_access/crawl.py
index 39f420bc5093068f8fee1db0c767364e6bf23152..f0c0667c548fe6cfeaf488f08ed65a168f37b1d5 100644
--- a/science_access/crawl.py
+++ b/science_access/crawl.py
@@ -204,5 +204,8 @@ def collect_pubs(url):
         check_out = link.get('href')
         #if '/citations?' in check_out:
         links.append(check_out)
-
+    driver.close()
+    driver.quit() 
+    driver = None
+    del driver
     return links
diff --git a/science_access/online_app_backend.py b/science_access/online_app_backend.py
index d1db3a18a8c17a9e155103d0ffcd419250ccdb4a..c5f1b61f39405a41905ee3bcda43495f91bf2a00 100644
--- a/science_access/online_app_backend.py
+++ b/science_access/online_app_backend.py
@@ -82,15 +82,15 @@ def take_url_from_gui(author_link_scholar_link_list):
         follow_links = collect_pubs(author_link_scholar_link_list)[0:12]
 
     for r in tqdm(follow_links,title='Progess of scraping'):
-        if heroku:
-            sleep(np.random.uniform(1,3))
+        #if heroku:
+        #    sleep(np.random.uniform(1,3))
         try:
             urlDat = process(r)
         except:
             follow_more_links = collect_pubs(r)
             for r in tqdm(follow_more_links,title='Progess of scraping'):
-                if heroku:
-                    sleep(np.random.uniform(1,3))
+                #if heroku:
+                #    sleep(np.random.uniform(1,3))
                 urlDat = process(r)        
         if not isinstance(urlDat,type(None)):
             author_results.append(urlDat)
diff --git a/science_access/scrape.py b/science_access/scrape.py
index ce122bd54c15746343bcb49c089fa3b3d0b7dad0..2eb08944540cb6f6cb6d7df23b76a1b742899ed7 100644
--- a/science_access/scrape.py
+++ b/science_access/scrape.py
@@ -55,6 +55,7 @@ if 'DYNO' in os.environ:
     heroku = False
 else:
     heroku = True
+'''    
 def get_driver():
     if 'DYNO' in os.environ:
         heroku = True
@@ -98,7 +99,7 @@ def get_driver():
 
 
 driver = get_driver()
-
+'''
 
 rsrcmgr = PDFResourceManager()
 retstr = StringIO()