added Slides.remove_slide(slide_id)

src/pptx/oxml/presentation.py

@@ -65,6 +65,14 @@ def add_sldId(self, rId: str) -> CT_SlideId:
         The new `p:sldId` element has its r:id attribute set to `rId`.
         """
         return self._add_sldId(id=self._next_id, rId=rId)
+
+    def remove_sldId(self, slide_id: int) -> None:
+        """Remove the `p:sldId` element with the specified slide ID."""
+        for sldId in self.sldId_lst:
+            if sldId.id == slide_id:
+                self.remove(sldId)
+                return
+        raise KeyError(f"no slide with id {slide_id}")
 
     @property
     def _next_id(self) -> int:

src/pptx/parts/presentation.py

@@ -33,6 +33,14 @@ def add_slide(self, slide_layout: SlideLayout):
         rId = self.relate_to(slide_part, RT.SLIDE)
         return rId, slide_part.slide
 
+    def remove_slide(self, slide_id: int):
+        """Remove slide with `slide_id` from this presentation."""
+        for sldId in self._element.sldIdLst:
+            if sldId.id == slide_id:
+                self.drop_rel(sldId.rId)
+                return
+        raise KeyError("no slide with id %d" % slide_id)
+
     @property
     def core_properties(self) -> CorePropertiesPart:
         """A |CoreProperties| object for the presentation.

src/pptx/slide.py

@@ -272,6 +272,11 @@ def add_slide(self, slide_layout: SlideLayout) -> Slide:
         self._sldIdLst.add_sldId(rId)
         return slide
 
+    def remove_slide(self, slide_id: int) -> None:
+        """Remove slide with `slide_id` from this presentation."""
+        self.part.remove_slide(slide_id)
+        self._sldIdLst.remove_sldId(slide_id)
+
     def get(self, slide_id: int, default: Slide | None = None) -> Slide | None:
         """Return the slide identified by int `slide_id` in this presentation.