diff --git a/lms/hooks.py b/lms/hooks.py
index b3b065dd..c9078ef3 100644
--- a/lms/hooks.py
+++ b/lms/hooks.py
@@ -60,7 +60,7 @@ web_include_js = ["website.bundle.js"]
 # before_install = "lms.install.before_install"
 after_install = "lms.install.after_install"
 after_sync = "lms.install.after_sync"
-after_uninstall = "lms.install.after_uninstall"
+before_uninstall = "lms.install.before_uninstall"
 
 
 setup_wizard_requires = "assets/lms/js/setup_wizard.js"
diff --git a/lms/install.py b/lms/install.py
index 00ca4eea..b75b5518 100644
--- a/lms/install.py
+++ b/lms/install.py
@@ -44,8 +44,9 @@ def add_pages_to_nav():
 			).save()
 
 
-def after_uninstall():
+def before_uninstall():
 	delete_custom_fields()
+	delete_lms_roles()
 
 
 def create_lms_roles():
@@ -53,6 +54,13 @@ def create_lms_roles():
 	create_moderator_role()
 
 
+def delete_lms_roles():
+	roles = ["Course Creator", "Moderator"]
+	for role in roles:
+		if frappe.db.exists("Role", role):
+			frappe.db.delete("Role", role)
+
+
 def set_default_home():
 	frappe.db.set_value("Portal Settings", None, "default_portal_home", "/courses")
 
@@ -126,4 +134,3 @@ def delete_custom_fields():
 
 	for field in fields:
 		frappe.db.delete("Custom Field", {"fieldname": field})
-		frappe.db.commit()