diff --git a/Makefile b/Makefile
index ef17c35..e320fe7 100644
--- a/Makefile
+++ b/Makefile
@@ -24,9 +24,6 @@ download:
 	node src/data/releases.json.js > src/data/raw/releases.json
 	node src/data/pull_requests.json.js > src/data/raw/pull_requests.json
 	node src/data/contributors.json.js > src/data/raw/contributions.json
-	node src/data/contributors.json.js > src/data/raw/contributions.json
-	node src/data/contributors.json.js > src/data/raw/contributions.json
-	node src/data/contributors.json.js > src/data/raw/contributions.json
 
 clean-cache:
 	rm -rf dist src/.observablehq logs target
\ No newline at end of file
diff --git a/models/mart/fact_contribution.sql b/models/mart/fact_contribution.sql
deleted file mode 100644
index 155ba2d..0000000
--- a/models/mart/fact_contribution.sql
+++ /dev/null
@@ -1,33 +0,0 @@
-with weekly_contrib as (
-    select 
-        d_date, 
-        strftime(d_date, '%x') isod_date, 
-        yearweek(d_date) d_week, 
-        month(d_date) d_month, 
-        year(d_date) d_year, 
-        
-        sum(additions) as total_add, 
-        sum(deletions) as total_del, 
-        sum(commits) as total_commits,
-        sum(case when(commits > 0) then 1 else 0 end) as contributors,
-        sum(additions) - sum(deletions) plusminus_lines
-    from {{ ref('stg_contributors') }} 
-    group by 
-        d_year, 
-        d_month,  
-        d_week, 
-        d_date 
-),
-total_lines_of_code as (
-    select
-        weekly_contrib.d_date,
-        sum(weekly_contrib.plusminus_lines) over (order by d_date asc) as loc, 
-    from weekly_contrib
-)
-
-select
-    *
-from weekly_contrib
-join total_lines_of_code
-    on weekly_contrib.d_date = total_lines_of_code.d_date
-order by weekly_contrib.d_date desc
\ No newline at end of file
diff --git a/models/staging/stg_contributors.sql b/models/staging/stg_contributors.sql
deleted file mode 100644
index 7053e44..0000000
--- a/models/staging/stg_contributors.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-select 
-    author.login, 
-    to_timestamp(unnest(weeks).w)::date as d_date, 
-    unnest(weeks).a as additions, 
-    unnest(weeks).d as deletions, 
-    unnest(weeks).c as commits 
-from 
-    read_json('src/data/raw/contributions*.json')