diff --git a/pyocd/probe/picoprobe.py b/pyocd/probe/picoprobe.py
index 17de8e3b5..15a1a10b7 100644
--- a/pyocd/probe/picoprobe.py
+++ b/pyocd/probe/picoprobe.py
@@ -250,7 +250,7 @@ def __call__(self, dev):
         try:
             # This can fail on Linux if the configuration is already active.
             dev.set_configuration()
-        except:
+        except Exception:
             # But do no act on possible errors, they'll be caught in the next try: clause
             pass
 
diff --git a/pyocd/probe/pydapaccess/cmsis_dap_core.py b/pyocd/probe/pydapaccess/cmsis_dap_core.py
index f9b9c7ce0..866eee0f2 100644
--- a/pyocd/probe/pydapaccess/cmsis_dap_core.py
+++ b/pyocd/probe/pydapaccess/cmsis_dap_core.py
@@ -16,7 +16,6 @@
 
 import array
 from .dap_access_api import DAPAccessIntf
-from ...utility import compatibility
 
 class Command:
     DAP_INFO = 0x00
diff --git a/pyocd/target/builtin/target_RP2040.py b/pyocd/target/builtin/target_RP2040.py
index 8211d11c3..9a2b86802 100644
--- a/pyocd/target/builtin/target_RP2040.py
+++ b/pyocd/target/builtin/target_RP2040.py
@@ -18,10 +18,10 @@
 
 from ...core import exceptions
 from ...coresight.coresight_target import CoreSightTarget
-from ...core.memory_map import (RomRegion, FlashRegion, RamRegion, DeviceRegion, MemoryMap)
+from ...core.memory_map import (RomRegion, FlashRegion, RamRegion, MemoryMap)
 from ...probe.swj import SWJSequenceSender
 from ...probe.debug_probe import DebugProbe
-from ...utility import (conversion, mask)
+from ...utility import mask
 
 LOG = logging.getLogger(__name__)