diff --git a/src/spikeinterface/core/baserecording.py b/src/spikeinterface/core/baserecording.py
index 73bcc92463..68a7dd744b 100644
--- a/src/spikeinterface/core/baserecording.py
+++ b/src/spikeinterface/core/baserecording.py
@@ -657,7 +657,23 @@ def _remove_channels(self, remove_channel_ids):
         sub_recording = ChannelSliceRecording(self, new_channel_ids)
         return sub_recording
 
-    def _frame_slice(self, start_frame, end_frame):
+    def frame_slice(self, start_frame: int, end_frame: int) -> BaseRecording:
+        """
+        Returns a new recording with sliced frames. Note that this operation is not in place.
+
+        Parameters
+        ----------
+        start_frame : int
+            The start frame
+        end_frame : int
+            The end frame
+
+        Returns
+        -------
+        BaseRecording
+            The object with sliced frames
+        """
+
         from .frameslicerecording import FrameSliceRecording
 
         sub_recording = FrameSliceRecording(self, start_frame=start_frame, end_frame=end_frame)
diff --git a/src/spikeinterface/core/baserecordingsnippets.py b/src/spikeinterface/core/baserecordingsnippets.py
index 79057ef372..2a9f075954 100644
--- a/src/spikeinterface/core/baserecordingsnippets.py
+++ b/src/spikeinterface/core/baserecordingsnippets.py
@@ -75,9 +75,6 @@ def is_filtered(self):
     def _channel_slice(self, channel_ids, renamed_channel_ids=None):
         raise NotImplementedError
 
-    def _frame_slice(self, channel_ids, renamed_channel_ids=None):
-        raise NotImplementedError
-
     def set_probe(self, probe, group_mode="by_probe", in_place=False):
         """
         Attach a list of Probe object to a recording.
@@ -510,7 +507,7 @@ def frame_slice(self, start_frame, end_frame):
         BaseRecordingSnippets
             The object with sliced frames
         """
-        return self._frame_slice(start_frame, end_frame)
+        raise NotImplementedError
 
     def select_segments(self, segment_indices):
         """
diff --git a/src/spikeinterface/core/basesnippets.py b/src/spikeinterface/core/basesnippets.py
index 4f6cbacd6d..1f3fee74a8 100644
--- a/src/spikeinterface/core/basesnippets.py
+++ b/src/spikeinterface/core/basesnippets.py
@@ -159,9 +159,6 @@ def _remove_channels(self, remove_channel_ids):
         sub_recording = ChannelSliceSnippets(self, new_channel_ids)
         return sub_recording
 
-    def _frame_slice(self, start_frame, end_frame):
-        raise NotImplementedError
-
     def _select_segments(self, segment_indices):
         from .segmentutils import SelectSegmentSnippets