diff --git a/models/demo_examples/materialization_incremental.sql b/models/demo_examples/materialization_incremental.sql
deleted file mode 100644
index 024a433..0000000
--- a/models/demo_examples/materialization_incremental.sql
+++ /dev/null
@@ -1,32 +0,0 @@
-{{ config(materialized='incremental') }}
-
-with source as (
-
-    select * from {{ source('tpch', 'customer') }}
-
-),
-
-
-renamed as (
-
-    select
-        c_custkey as customer_key,
-        c_name as name,
-        c_address as address, 
-        c_nationkey as nation_key,
-        c_phone as phone_number,
-        c_acctbal as account_balance,
-        c_mktsegment as market_segment,
-        c_comment as comment
-
-    from source
-
-)
-
-select * from renamed
-
-{% if is_incremental() %}
-  -- this filter will only be applied on an incremental run
-  where customer_key not in (select customer_key from {{this}} )
-
-{% endif %}
\ No newline at end of file
diff --git a/models/demo_examples/python/forecast_daily_returns.py b/models/demo_examples/python/forecast_daily_returns.py
index 07bc898..d09524f 100644
--- a/models/demo_examples/python/forecast_daily_returns.py
+++ b/models/demo_examples/python/forecast_daily_returns.py
@@ -5,7 +5,7 @@ def model( dbt, session ):
     
     dbt.config(
         materialized="table",
-        packages=['pandas','Prophet'] # how to import python libraries in dbt's context
+        packages=['pandas','Prophet','holidays==0.18'] # how to import python libraries in dbt's context
     )
 
     # use historical data to fit model
diff --git a/models/staging/tpch/stg_tpch_customers.sql b/models/staging/tpch/stg_tpch_customers.sql
index 933324b..ffa7c9b 100644
--- a/models/staging/tpch/stg_tpch_customers.sql
+++ b/models/staging/tpch/stg_tpch_customers.sql
@@ -1,10 +1,3 @@
-{{
-    config(
-        materialized='table'
-        ,post_hook="Select * from foobar"
-    )
-}}
-
 with source as (
 
     select * from {{ source('tpch', 'customer') }}