diff --git a/lerobot/common/errors.py b/lerobot/common/errors.py
index aba958a1..4f506b61 100644
--- a/lerobot/common/errors.py
+++ b/lerobot/common/errors.py
@@ -1,9 +1,3 @@
-class ConnectionError(Exception):
-    """Base exception class for connection errors."""
-
-    pass
-
-
 class DeviceNotConnectedError(ConnectionError):
     """Exception raised when the device is not connected."""
 
diff --git a/lerobot/common/utils/robot_utils.py b/lerobot/common/utils/robot_utils.py
index 19bb637e..593773b5 100644
--- a/lerobot/common/utils/robot_utils.py
+++ b/lerobot/common/utils/robot_utils.py
@@ -28,24 +28,3 @@ def safe_disconnect(func):
             raise e
 
     return wrapper
-
-
-class RobotDeviceNotConnectedError(Exception):
-    """Exception raised when the robot device is not connected."""
-
-    def __init__(
-        self, message="This robot device is not connected. Try calling `robot_device.connect()` first."
-    ):
-        self.message = message
-        super().__init__(self.message)
-
-
-class RobotDeviceAlreadyConnectedError(Exception):
-    """Exception raised when the robot device is already connected."""
-
-    def __init__(
-        self,
-        message="This robot device is already connected. Try not calling `robot_device.connect()` twice.",
-    ):
-        self.message = message
-        super().__init__(self.message)