diff --git a/lib/galaxy/managers/forms.py b/lib/galaxy/managers/forms.py
index f6bf53ae9ade..989a7310fe65 100644
--- a/lib/galaxy/managers/forms.py
+++ b/lib/galaxy/managers/forms.py
@@ -1,8 +1,5 @@
 from sqlalchemy import select
-from sqlalchemy.orm import (
-    exc as sqlalchemy_exceptions,
-    Session,
-)
+from sqlalchemy.orm import exc as sqlalchemy_exceptions
 
 from galaxy.exceptions import (
     InconsistentDatabase,
diff --git a/lib/galaxy/webapps/galaxy/controllers/admin.py b/lib/galaxy/webapps/galaxy/controllers/admin.py
index ca634743daf0..7c16588a2181 100644
--- a/lib/galaxy/webapps/galaxy/controllers/admin.py
+++ b/lib/galaxy/webapps/galaxy/controllers/admin.py
@@ -13,10 +13,7 @@
     util,
     web,
 )
-from galaxy.exceptions import (
-    ActionInputError,
-    MessageException,
-)
+from galaxy.exceptions import ActionInputError
 from galaxy.managers.quotas import QuotaManager
 from galaxy.model import tool_shed_install as install_model
 from galaxy.model.base import transaction
@@ -37,7 +34,6 @@
     time_ago,
 )
 from galaxy.webapps.base import controller
-from tool_shed.util.web_util import escape
 
 log = logging.getLogger(__name__)
 
diff --git a/lib/galaxy/webapps/galaxy/controllers/forms.py b/lib/galaxy/webapps/galaxy/controllers/forms.py
index 25bafe0604ed..264924cce7de 100644
--- a/lib/galaxy/webapps/galaxy/controllers/forms.py
+++ b/lib/galaxy/webapps/galaxy/controllers/forms.py
@@ -3,16 +3,12 @@
 import logging
 import re
 
-from markupsafe import escape
 from sqlalchemy import (
     false,
     true,
 )
 
-from galaxy import (
-    model,
-    util,
-)
+from galaxy import model
 from galaxy.model.base import transaction
 from galaxy.model.index_filter_util import (
     raw_text_column_filter,
@@ -23,11 +19,7 @@
     parse_filters_structured,
     RawTextTerm,
 )
-from galaxy.web.framework.helpers import (
-    grids,
-    iff,
-    time_ago,
-)
+from galaxy.web.framework.helpers import grids
 from galaxy.webapps.base.controller import (
     BaseUIController,
     web,
diff --git a/lib/galaxy/webapps/galaxy/controllers/visualization.py b/lib/galaxy/webapps/galaxy/controllers/visualization.py
index 01070bd22de5..09f5db76ab2b 100644
--- a/lib/galaxy/webapps/galaxy/controllers/visualization.py
+++ b/lib/galaxy/webapps/galaxy/controllers/visualization.py
@@ -7,20 +7,14 @@
     HTTPNotFound,
 )
 from sqlalchemy import (
-    desc,
     false,
     or_,
     text,
     true,
 )
-from sqlalchemy.orm import (
-    joinedload,
-    undefer,
-)
 
 from galaxy import (
     model,
-    util,
     web,
 )
 from galaxy.managers.hdas import HDAManager
@@ -31,17 +25,13 @@
     UsesItemRatings,
 )
 from galaxy.structured_app import StructuredApp
-from galaxy.util import (
-    sanitize_text,
-    unicodify,
-)
+from galaxy.util import unicodify
 from galaxy.util.sanitize_html import sanitize_html
 from galaxy.visualization.data_providers.phyloviz import PhylovizDataProvider
 from galaxy.visualization.genomes import (
     decode_dbkey,
     GenomeRegion,
 )
-from galaxy.visualization.plugins import registry
 from galaxy.web.framework.helpers import (
     grids,
     time_ago,