diff --git a/cpp/mcap/include/mcap/writer.hpp b/cpp/mcap/include/mcap/writer.hpp
index a0b3e4781..d090048b1 100644
--- a/cpp/mcap/include/mcap/writer.hpp
+++ b/cpp/mcap/include/mcap/writer.hpp
@@ -240,10 +240,6 @@ class MCAP_PUBLIC IChunkWriter : public IWritable {
    */
   virtual const std::byte* compressedData() const = 0;
 
-  // No-op IWritable::flush() implementation. Chunk writers have no concept of an "underlying
-  // stream" to flush to.
-  void flush() override {}
-
 protected:
   virtual void handleClear() = 0;
 };