diff --git a/croppa/main.py b/croppa/main.py
index 750ceba..2bda531 100644
--- a/croppa/main.py
+++ b/croppa/main.py
@@ -1057,18 +1057,6 @@ class VideoEditor:
         self.current_frame = max(0, min(frame_number, self.total_frames - 1))
         self.load_current_frame()
 
-    def _get_sorted_markers(self):
-        """Return sorted unique marker list [cut_start_frame, cut_end_frame] as ints within bounds."""
-        markers = []
-        for m in (self.cut_start_frame, self.cut_end_frame):
-            if isinstance(m, int):
-                markers.append(m)
-        if not markers:
-            return []
-        # Clamp and dedupe
-        clamped = set(max(0, min(m, self.total_frames - 1)) for m in markers)
-        return sorted(clamped)
-
     def jump_to_previous_marker(self):
         """Jump to the previous tracking marker (frame with tracking points)."""
         if self.is_image_mode:
@@ -1316,90 +1304,6 @@ class VideoEditor:
             'available_h': available_height
         }
 
-    def _map_original_to_screen(self, ox, oy):
-        """Map a point in original frame coords to canvas screen coords."""
-        frame_number = getattr(self, 'current_frame', 0)
-        # Since crop is applied after rotation, mapping to rotated space uses only rotation
-        angle = self.rotation_angle
-        if angle == 90:
-            rx, ry = oy, self.frame_width - 1 - ox
-        elif angle == 180:
-            rx, ry = self.frame_width - 1 - ox, self.frame_height - 1 - oy
-        elif angle == 270:
-            rx, ry = self.frame_height - 1 - oy, ox
-        else:
-            rx, ry = ox, oy
-        # Now account for crop/zoom/offset using unified params
-        params = self._get_display_params()
-        rx -= params['eff_x']
-        ry -= params['eff_y']
-        zx = rx * self.zoom_factor
-        zy = ry * self.zoom_factor
-        inframe_x = zx - params['offx']
-        inframe_y = zy - params['offy']
-        sx = int(round(params['start_x'] + inframe_x * params['scale']))
-        sy = int(round(params['start_y'] + inframe_y * params['scale']))
-        return sx, sy
-
-    def _map_screen_to_original(self, sx, sy):
-        """Map a point on canvas screen coords back to original frame coords."""
-        frame_number = getattr(self, 'current_frame', 0)
-        angle = self.rotation_angle
-        ch, cw = self.frame_height, self.frame_width
-        # Zoomed dimensions
-        if angle in (90, 270):
-            rotated_w, rotated_h = ch, cw
-        else:
-            rotated_w, rotated_h = cw, ch
-        new_w = int(rotated_w * self.zoom_factor)
-        new_h = int(rotated_h * self.zoom_factor)
-        # Whether apply_crop_zoom_and_rotation cropped due to zoom
-        cropped_due_to_zoom = (self.zoom_factor != 1.0) and (new_w > self.window_width or new_h > self.window_height)
-        # Visible dims before canvas scaling
-        visible_w = new_w if not cropped_due_to_zoom else min(new_w, self.window_width)
-        visible_h = new_h if not cropped_due_to_zoom else min(new_h, self.window_height)
-        # Canvas scale and placement
-        available_height = self.window_height - (0 if self.is_image_mode else self.TIMELINE_HEIGHT)
-        scale_raw = min(self.window_width / max(1, visible_w), available_height / max(1, visible_h))
-        scale_canvas = scale_raw if scale_raw < 1.0 else 1.0
-        final_w = int(visible_w * scale_canvas)
-        final_h = int(visible_h * scale_canvas)
-        start_x_canvas = (self.window_width - final_w) // 2
-        start_y_canvas = (available_height - final_h) // 2
-        # Back to processed (zoomed+cropped) space
-        zx = (sx - start_x_canvas) / max(1e-6, scale_canvas)
-        zy = (sy - start_y_canvas) / max(1e-6, scale_canvas)
-        # Add display offset in zoomed space (only if cropped_due_to_zoom)
-        if cropped_due_to_zoom:
-            offx_max = max(0, new_w - self.window_width)
-            offy_max = max(0, new_h - self.window_height)
-            offx = max(0, min(int(self.display_offset[0]), offx_max))
-            offy = max(0, min(int(self.display_offset[1]), offy_max))
-        else:
-            offx = 0
-            offy = 0
-        zx += offx
-        zy += offy
-        # Reverse zoom
-        rx = zx / max(1e-6, self.zoom_factor)
-        ry = zy / max(1e-6, self.zoom_factor)
-        # Reverse crop in rotated space to get rotated coordinates
-        cx, cy, cw, ch = self._get_effective_crop_rect_for_frame(frame_number)
-        rx = rx + cx
-        ry = ry + cy
-        # Reverse rotation to original frame coords
-        if angle == 90:
-            ox, oy = self.frame_width - 1 - ry, rx
-        elif angle == 180:
-            ox, oy = self.frame_width - 1 - rx, self.frame_height - 1 - ry
-        elif angle == 270:
-            ox, oy = ry, self.frame_height - 1 - rx
-        else:
-            ox, oy = rx, ry
-        ox = max(0, min(int(round(ox)), self.frame_width - 1))
-        oy = max(0, min(int(round(oy)), self.frame_height - 1))
-        return ox, oy
-
     def _map_rotated_to_screen(self, rx, ry):
         """Map a point in ROTATED frame coords to canvas screen coords (post-crop)."""
         # Subtract crop offset in rotated space (EFFECTIVE crop at current frame)
@@ -2247,7 +2151,7 @@ class VideoEditor:
                 if not removed:
                     snapped = False
                     # Check all tracking points from all frames for snapping
-                    for frame_num, points in self.tracking_points.items():
+                    for _, points in self.tracking_points.items():
                         for (px, py) in points:
                             sxp, syp = self._map_rotated_to_screen(px, py)
                             if (sxp - x) ** 2 + (syp - y) ** 2 <= threshold ** 2: