diff --git a/processout/invoice.py b/processout/invoice.py
index 83518cb..7cbd302 100755
--- a/processout/invoice.py
+++ b/processout/invoice.py
@@ -1021,9 +1021,6 @@ def authenticate(self, source, options={}):
         data = {
             'device': self.device,
             'incremental': self.incremental,
-            'capture_type': self.capture_type,
-            'split_allocations': self.split_allocations,
-            'installment_plan_id': self.installment_plan_id,
             'synchronous': options.get("synchronous"),
             'retry_drop_liability_shift': options.get("retry_drop_liability_shift"),
             'capture_amount': options.get("capture_amount"),
@@ -1090,9 +1087,6 @@ def authorize(self, source, options={}):
         data = {
             'device': self.device,
             'incremental': self.incremental,
-            'capture_type': self.capture_type,
-            'split_allocations': self.split_allocations,
-            'installment_plan_id': self.installment_plan_id,
             'synchronous': options.get("synchronous"),
             'retry_drop_liability_shift': options.get("retry_drop_liability_shift"),
             'capture_amount': options.get("capture_amount"),
@@ -1133,9 +1127,7 @@ def capture(self, source, options={}):
         path = "/invoices/" + quote_plus(self.id) + "/capture"
         data = {
             'device': self.device,
-            'authenticate_only': self.authenticate_only,
             'incremental': self.incremental,
-            'installment_plan_id': self.installment_plan_id,
             'authorize_only': options.get("authorize_only"),
             'synchronous': options.get("synchronous"),
             'retry_drop_liability_shift': options.get("retry_drop_liability_shift"),
@@ -1450,8 +1442,7 @@ def create(self, options={}):
             'unsupported_feature_bypass': self.unsupported_feature_bypass,
             'verification': self.verification,
             'auto_capture_at': self.auto_capture_at,
-            'expires_at': self.expires_at,
-            'split_allocations': self.split_allocations
+            'expires_at': self.expires_at
         }
 
         response = Response(request.post(path, data, options))
diff --git a/processout/refund.py b/processout/refund.py
index 34ea736..e24d18b 100755
--- a/processout/refund.py
+++ b/processout/refund.py
@@ -240,7 +240,6 @@ def create_for_invoice(self, invoice_id, options={}):
             'reason': self.reason,
             'information': self.information,
             'invoice_detail_ids': self.invoice_detail_ids,
-            'split_allocations': self.split_allocations,
             'metadata': options.get("metadata")
         }
 
@@ -320,7 +319,6 @@ def create(self, options={}):
             'reason': self.reason,
             'information': self.information,
             'invoice_detail_ids': self.invoice_detail_ids,
-            'split_allocations': self.split_allocations,
             'metadata': options.get("metadata")
         }
 
diff --git a/setup.py b/setup.py
index a11fe95..af018ce 100644
--- a/setup.py
+++ b/setup.py
@@ -3,12 +3,12 @@
 setup(
   name = 'processout',
   packages = ['processout', 'processout.errors', 'processout.networking'],
-  version = '9.0.0',
+  version = '9.0.1',
   description = 'ProcessOut API bindings.',
   author = 'ProcessOut',
   author_email = 'hi@processout.com',
   url = 'https://github.com/processout/processout-python',
-  download_url = 'https://github.com/processout/processout-python/tarball/9.0.0',
+  download_url = 'https://github.com/processout/processout-python/tarball/9.0.1',
   keywords = ['ProcessOut', 'api', 'bindings'],
   classifiers = [],
 )
diff --git a/spec.py b/spec.py
index 1e29183..92aa424 100644
--- a/spec.py
+++ b/spec.py
@@ -34,19 +34,6 @@ def main():
     # Fetch the customers
     client.new_customer().all()
 
-    # Create a subscription for a customer
-    customer = client.new_customer().create()
-    assert customer.id != "", "The created customer ID should not be empty"
-
-    subscription = client.new_subscription({
-        "customer_id": customer.id,
-        "name": "Test subscription",
-        "amount": "9.99",
-        "currency": "USD",
-        "interval": "1d"
-    }).create()
-    assert subscription.id != "", "The created subscription ID should not be empty"
-
     # Expand a customers' project and fetch gateways
     customer = client.new_customer().create({"expand": ["project"]})
     assert customer.project != None, "The customer project should be expanded"