diff --git a/api/chalicelib/core/collaboration_base.py b/api/chalicelib/core/collaboration_base.py
index 6d589a32e..8b008d784 100644
--- a/api/chalicelib/core/collaboration_base.py
+++ b/api/chalicelib/core/collaboration_base.py
@@ -1,10 +1,6 @@
 from abc import ABC, abstractmethod
-import requests
-from decouple import config
-from datetime import datetime
 
 import schemas
-from chalicelib.core import webhook
 
 
 class BaseCollaboration(ABC):
diff --git a/ee/api/.gitignore b/ee/api/.gitignore
index 7d179e8c2..a3ca76d48 100644
--- a/ee/api/.gitignore
+++ b/ee/api/.gitignore
@@ -183,6 +183,8 @@ Pipfile
 #exp /chalicelib/core/alerts_processor.py
 /chalicelib/core/announcements.py
 /chalicelib/core/autocomplete.py
+/chalicelib/core/collaboration_base.py
+/chalicelib/core/collaboration_msteams.py
 /chalicelib/core/collaboration_slack.py
 /chalicelib/core/countries.py
 #exp /chalicelib/core/errors.py
diff --git a/ee/api/clean.sh b/ee/api/clean.sh
index 4e72038ed..7105448d7 100755
--- a/ee/api/clean.sh
+++ b/ee/api/clean.sh
@@ -4,6 +4,8 @@ rm -rf ./chalicelib/core/alerts.py
 #exp rm -rf ./chalicelib/core/alerts_processor.py
 rm -rf ./chalicelib/core/announcements.py
 rm -rf ./chalicelib/core/autocomplete.py
+rm -rf ./chalicelib/core/collaboration_base.py
+rm -rf ./chalicelib/core/collaboration_msteams.py
 rm -rf ./chalicelib/core/collaboration_slack.py
 rm -rf ./chalicelib/core/countries.py
 #exp rm -rf ./chalicelib/core/errors.py