4 files changed, 10 insertions, 39 deletions
diff --git a/lib/sqlalchemy/sql/base.py b/lib/sqlalchemy/sql/base.py
index 8ff907ef0..b7df927f1 100644
--- a/lib/sqlalchemy/sql/base.py
+++ b/lib/sqlalchemy/sql/base.py
@@ -27,12 +27,10 @@ from .. import util
 from ..util import HasMemoized
 from ..util import hybridmethod
 
-if util.TYPE_CHECKING:
-    from types import ModuleType
 
-coercions = None  # type: ModuleType
-elements = None  # type: ModuleType
-type_api = None  # type: ModuleType
+coercions = None
+elements = None
+type_api = None
 
 PARSE_AUTOCOMMIT = util.symbol("PARSE_AUTOCOMMIT")
 NO_ARG = util.symbol("NO_ARG")
diff --git a/lib/sqlalchemy/sql/coercions.py b/lib/sqlalchemy/sql/coercions.py
index 517bfd57d..36ac507ad 100644
--- a/lib/sqlalchemy/sql/coercions.py
+++ b/lib/sqlalchemy/sql/coercions.py
@@ -19,15 +19,13 @@ from .. import inspection
 from .. import util
 from ..util import collections_abc
 
-if util.TYPE_CHECKING:
-    from types import ModuleType
-
-elements = None  # type: ModuleType
-lambdas = None  # type: ModuleType
-schema = None  # type: ModuleType
-selectable = None  # type: ModuleType
-sqltypes = None  # type: ModuleType
-traversals = None  # type: ModuleType
+
+elements = None
+lambdas = None
+schema = None
+selectable = None
+sqltypes = None
+traversals = None
 
 
 def _is_literal(element):
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py
index 169a6d846..f212cb079 100644
--- a/lib/sqlalchemy/sql/elements.py
+++ b/lib/sqlalchemy/sql/elements.py
@@ -44,11 +44,6 @@ from .. import exc
 from .. import inspection
 from .. import util
 
-if util.TYPE_CHECKING:
-    from typing import Any
-    from typing import Optional
-    from typing import Union
-
 
 def collate(expression, collation):
     """Return the clause ``expression COLLATE collation``.
@@ -422,7 +417,6 @@ class ClauseElement(
         )
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         """Apply a 'grouping' to this :class:`_expression.ClauseElement`.
 
         This method is overridden by subclasses to return a "grouping"
@@ -792,7 +786,6 @@ class ColumnElement(
     _alt_names = ()
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         if (
             against in (operators.and_, operators.or_, operators._asbool)
             and self.type._type_affinity is type_api.BOOLEANTYPE._type_affinity
@@ -2074,7 +2067,6 @@ class TextClause(
         return self.type.comparator_factory(self)
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> Union[Grouping, TextClause]
         if against is operators.in_op:
             return Grouping(self)
         else:
@@ -2321,7 +2313,6 @@ class ClauseList(
         return list(itertools.chain(*[c._from_objects for c in self.clauses]))
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         if self.group and operators.is_precedent(self.operator, against):
             return Grouping(self)
         else:
@@ -2572,7 +2563,6 @@ class BooleanClauseList(ClauseList, ColumnElement):
         return (self,)
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         if not self.clauses:
             return self
         else:
@@ -3528,7 +3518,6 @@ class UnaryExpression(ColumnElement):
             return ClauseElement._negate(self)
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         if self.operator and operators.is_precedent(self.operator, against):
             return Grouping(self)
         else:
@@ -3654,7 +3643,6 @@ class AsBoolean(WrapsColumnExpression, UnaryExpression):
         return self.element
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         return self
 
     def _negate(self):
@@ -3736,7 +3724,6 @@ class BinaryExpression(ColumnElement):
         return self.left._from_objects + self.right._from_objects
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
 
         if operators.is_precedent(self.operator, against):
             return Grouping(self)
@@ -3795,7 +3782,6 @@ class Slice(ColumnElement):
         self.type = type_api.NULLTYPE
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         assert against is operator.getitem
         return self
 
@@ -3813,7 +3799,6 @@ class GroupedElement(ClauseElement):
     __visit_name__ = "grouping"
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         return self
 
     def _ungroup(self):
@@ -4389,7 +4374,6 @@ class Label(roles.LabeledColumnExprRole, ColumnElement):
         return self._element.self_group(against=operators.as_)
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> ClauseElement
         return self._apply_to_inner(self._element.self_group, against=against)
 
     def _negate(self):
@@ -5116,7 +5100,6 @@ class _anonymous_label(_truncated_label):
     def safe_construct(
         cls, seed, body, enclosing_label=None, sanitize_key=False
     ):
-        # type: (int, str, Optional[_anonymous_label]) -> _anonymous_label
 
         if sanitize_key:
             body = re.sub(r"[%\(\) \$]+", "_", body).strip("_")
diff --git a/lib/sqlalchemy/sql/selectable.py b/lib/sqlalchemy/sql/selectable.py
index 7007bb430..9ef9e1162 100644
--- a/lib/sqlalchemy/sql/selectable.py
+++ b/lib/sqlalchemy/sql/selectable.py
@@ -58,10 +58,6 @@ from .. import exc
 from .. import util
 from ..inspection import inspect
 
-if util.TYPE_CHECKING:
-    from typing import Any
-    from typing import Optional
-
 
 class _OffsetLimitParam(BindParameter):
     inherit_cache = True
@@ -2796,7 +2792,6 @@ class SelectBase(
     is_select = True
 
     def _generate_fromclause_column_proxies(self, fromclause):
-        # type: (FromClause) -> None
         raise NotImplementedError()
 
     def _refresh_for_new_column(self, column):
@@ -3080,7 +3075,6 @@ class SelectStatementGrouping(GroupedElement, SelectBase):
     _is_select_container = True
 
     def __init__(self, element):
-        # type: (SelectBase) -> None
         self.element = coercions.expect(roles.SelectStatementRole, element)
 
     def _ensure_disambiguated_names(self):
@@ -3107,7 +3101,6 @@ class SelectStatementGrouping(GroupedElement, SelectBase):
         return self.element
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> FromClause
         return self
 
     def _generate_fromclause_column_proxies(self, subquery):
@@ -3877,7 +3870,6 @@ class CompoundSelect(HasCompileState, GenerativeSelect):
         return self.selects[0]._scalar_type()
 
     def self_group(self, against=None):
-        # type: (Optional[Any]) -> FromClause
         return SelectStatementGrouping(self)
 
     def is_derived_from(self, fromclause):