diff --git a/common/djangoapps/student/models/course_enrollment.py b/common/djangoapps/student/models/course_enrollment.py
index d834ae92b2..1e471b0e9d 100644
--- a/common/djangoapps/student/models/course_enrollment.py
+++ b/common/djangoapps/student/models/course_enrollment.py
@@ -237,10 +237,6 @@ class CourseEnrollmentManager(models.Manager):
 # is used to cache the state in the request cache.
 CourseEnrollmentState = namedtuple('CourseEnrollmentState', 'mode, is_active')
 
-EVENT_NAME_ENROLLMENT_ACTIVATED = 'edx.course.enrollment.activated'
-EVENT_NAME_ENROLLMENT_DEACTIVATED = 'edx.course.enrollment.deactivated'
-EVENT_NAME_ENROLLMENT_MODE_CHANGED = 'edx.course.enrollment.mode_changed'
-
 
 class CourseEnrollment(models.Model):
     """