diff --git a/pyocd/core/memory_interface.py b/pyocd/core/memory_interface.py
index 9e1e0f87..dff8128d 100644
--- a/pyocd/core/memory_interface.py
+++ b/pyocd/core/memory_interface.py
@@ -15,8 +15,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from typing import (Callable, Sequence, Union, cast, overload)
-from typing_extensions import Literal
+from typing import (Callable, Sequence, Union, cast, overload, Literal)
 
 from ..utility import conversion
 
diff --git a/pyocd/core/memory_map.py b/pyocd/core/memory_map.py
index 7bc4a225..0f9f5853 100644
--- a/pyocd/core/memory_map.py
+++ b/pyocd/core/memory_map.py
@@ -20,8 +20,7 @@ import collections.abc
 import copy
 from functools import total_ordering
 from typing import (Any, Callable, Dict, Iterable, Iterator, List, Optional, TYPE_CHECKING,
-        Sequence, Tuple, Type, Union)
-from typing_extensions import Self
+        Sequence, Tuple, Type, Union, Self)
 
 from ..utility.strings import uniquify_name
 
diff --git a/pyocd/core/plugin.py b/pyocd/core/plugin.py
index 7408e4a6..8eb0fd7d 100644
--- a/pyocd/core/plugin.py
+++ b/pyocd/core/plugin.py
@@ -16,7 +16,7 @@
 # limitations under the License.
 
 import logging
-from importlib_metadata import entry_points
+from importlib.metadata import entry_points
 from typing import (
     Any,
     Dict,
diff --git a/pyocd/core/session.py b/pyocd/core/session.py
index 4618be9b..0a1c7c65 100644
--- a/pyocd/core/session.py
+++ b/pyocd/core/session.py
@@ -24,7 +24,7 @@ from pathlib import Path
 import weakref
 from inspect import (getfullargspec, signature)
 from types import SimpleNamespace
-from typing import (Any, Callable, Generator, Sequence, Union, cast, Dict, List, Mapping, Optional, TYPE_CHECKING)
+from typing import (Any, Callable, Generator, Sequence, Union, cast, Dict, List, Mapping, Optional, TYPE_CHECKING, Self)
 
 from . import exceptions
 from .options_manager import OptionsManager
diff --git a/pyocd/core/soc_target.py b/pyocd/core/soc_target.py
index 8aad9031..7751e420 100644
--- a/pyocd/core/soc_target.py
+++ b/pyocd/core/soc_target.py
@@ -16,8 +16,7 @@
 # limitations under the License.
 
 import logging
-from typing import (Callable, Dict, List, Optional, overload, Sequence, Union, TYPE_CHECKING)
-from typing_extensions import Literal
+from typing import (Callable, Dict, List, Optional, overload, Sequence, Union, TYPE_CHECKING, Literal)
 
 from .target import (Target, TargetGraphNode)
 from .core_target import CoreTarget
diff --git a/pyocd/coresight/ap.py b/pyocd/coresight/ap.py
index 8a37ef06..1140331c 100644
--- a/pyocd/coresight/ap.py
+++ b/pyocd/coresight/ap.py
@@ -19,8 +19,8 @@ import logging
 from contextlib import contextmanager
 from functools import total_ordering
 from enum import Enum
-from typing import (Any, Callable, Dict, Generator, Optional, TYPE_CHECKING, Sequence, Set, Tuple, Type, Union, overload)
-from typing_extensions import Literal
+from typing import (Any, Callable, Dict, Generator, Optional, TYPE_CHECKING, Sequence, Set, Tuple, Type, Union,
+                    overload, Literal)
 
 from ..core import (exceptions, memory_interface)
 from ..core.target import Target
diff --git a/pyocd/coresight/cortex_m.py b/pyocd/coresight/cortex_m.py
index f779235c..6699ec68 100644
--- a/pyocd/coresight/cortex_m.py
+++ b/pyocd/coresight/cortex_m.py
@@ -17,8 +17,7 @@
 
 import logging
 from time import sleep
-from typing import (Any, Callable, List, Optional, Set, overload, Sequence, TYPE_CHECKING, Union, cast)
-from typing_extensions import Literal
+from typing import (Any, Callable, List, Optional, Set, overload, Sequence, TYPE_CHECKING, Union, cast, Literal)
 
 from ..core.target import Target
 from ..core.core_target import CoreTarget
diff --git a/pyocd/coresight/dap.py b/pyocd/coresight/dap.py
index 4e86f6b7..46c56bdb 100644
--- a/pyocd/coresight/dap.py
+++ b/pyocd/coresight/dap.py
@@ -19,8 +19,7 @@
 
 import logging
 from enum import Enum
-from typing import (Callable, Dict, List, NamedTuple, Optional, Sequence, Tuple, TYPE_CHECKING, Union, overload)
-from typing_extensions import Literal
+from typing import (Callable, Dict, List, NamedTuple, Optional, Sequence, Tuple, TYPE_CHECKING, Union, overload, Literal)
 
 from ..core import (exceptions, memory_interface)
 from ..core.target import Target
diff --git a/pyocd/debug/semihost.py b/pyocd/debug/semihost.py
index 998d3ae7..5ec8e01f 100644
--- a/pyocd/debug/semihost.py
+++ b/pyocd/debug/semihost.py
@@ -25,8 +25,7 @@ import time
 import datetime
 import pathlib
 from enum import (Enum, IntEnum)
-from typing import (IO, TYPE_CHECKING, Callable, Dict, List, Optional, Tuple, Union, cast, overload)
-from typing_extensions import Literal
+from typing import (IO, TYPE_CHECKING, Callable, Dict, List, Optional, Tuple, Union, cast, overload, Literal)
 
 from ..coresight.cortex_m import CortexM
 from ..core import (exceptions, session)
diff --git a/pyocd/debug/sequences/sequences.py b/pyocd/debug/sequences/sequences.py
index f4b78110..5a4cd012 100644
--- a/pyocd/debug/sequences/sequences.py
+++ b/pyocd/debug/sequences/sequences.py
@@ -28,8 +28,7 @@ from enum import Enum
 from inspect import signature
 from lark.lexer import Token as LarkToken
 from lark.tree import Tree as LarkTree
-from typing import (Any, Iterator, cast, List, Optional, Union, TYPE_CHECKING)
-from typing_extensions import Self
+from typing import (Any, Iterator, cast, List, Optional, Union, TYPE_CHECKING, Self)
 
 from ...core import exceptions
 from ...coresight.ap import (APv1Address, APv2Address)
diff --git a/pyocd/debug/svd/loader.py b/pyocd/debug/svd/loader.py
index ee58f1e8..89bf2ad0 100644
--- a/pyocd/debug/svd/loader.py
+++ b/pyocd/debug/svd/loader.py
@@ -17,7 +17,7 @@
 
 import threading
 import logging
-import importlib_resources
+import importlib.resources as importlib_resources
 import zipfile
 
 from .parser import SVDParser
diff --git a/pyocd/probe/cmsis_dap_probe.py b/pyocd/probe/cmsis_dap_probe.py
index 42cbe46f..a782a369 100644
--- a/pyocd/probe/cmsis_dap_probe.py
+++ b/pyocd/probe/cmsis_dap_probe.py
@@ -17,8 +17,7 @@
 
 from time import sleep
 import logging
-from typing import (Callable, Collection, Dict, List, Optional, overload, Sequence, Set, TYPE_CHECKING, Tuple, Union)
-from typing_extensions import (Literal, Protocol)
+from typing import (Callable, Collection, Dict, List, Optional, overload, Sequence, Set, TYPE_CHECKING, Tuple, Union, Literal, Protocol)
 
 from .debug_probe import DebugProbe
 from ..core import exceptions
diff --git a/pyocd/probe/debug_probe.py b/pyocd/probe/debug_probe.py
index c478de2f..902022de 100644
--- a/pyocd/probe/debug_probe.py
+++ b/pyocd/probe/debug_probe.py
@@ -17,8 +17,7 @@
 
 from enum import (Enum, IntFlag)
 import threading
-from typing import (Callable, Collection, Optional, overload, Sequence, Set, TYPE_CHECKING, Tuple, Union)
-from typing_extensions import Literal
+from typing import (Callable, Collection, Optional, overload, Sequence, Set, TYPE_CHECKING, Tuple, Union, Literal)
 
 if TYPE_CHECKING:
     from ..core.session import Session
diff --git a/pyocd/tools/lists.py b/pyocd/tools/lists.py
index 743f4dbc..3cb57ef2 100644
--- a/pyocd/tools/lists.py
+++ b/pyocd/tools/lists.py
@@ -16,7 +16,7 @@
 # limitations under the License.
 
 import os
-from importlib_metadata import entry_points
+from importlib.metadata import entry_points
 
 from .. import __version__
 from ..core.session import Session