diff --git a/setup.py b/setup.py
index cf6ef6c..f9bc985 100644
--- a/setup.py
+++ b/setup.py
@@ -76,17 +76,10 @@ extras = {
         # package                       # low                   high
 
         'invoke',                       # 1.4.1
+        'mysql-connector-python',
         'psycopg2',                     # 2.8.5
         'rattail[db,auth,bouncer]',     # 0.9.130
         'Tailbone',                     # 0.8.97
-
-        # we include mysql "always" even though it may not be actually needed
-        # TODO: must cap this for now, b/c it breaks CORE-POS integration?!
-        # (sometimes there are segfaults with basic grid queries)
-        # 'mysql-connector-python==8.0.17',
-        # TODO: was having trouble getting 8.0.17 to work on Ubuntu 20.04 with
-        # MySQL 8.0.21 and so am trying this out...
-        'mysql-connector-python',
     ],
 
     'catapult': [
@@ -106,9 +99,6 @@ extras = {
         #
         # package                       # low                   high
 
-        # TODO: this also is an experiment.  see notes above in 'app' extra.
-        # am still getting segfaults with 8.0.23 so this seems necessary
-        'mysql-connector-python==8.0.17',
         'pyCOREPOS',                    # 0.1.0
         'rattail-corepos',              # 0.1.0
         'tailbone-corepos',             # 0.1.1